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signal-platform/app/services/regime_monitor_service.py
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dennisthiessenandClaude Opus 5 43ee619412 fix(research): require the v2 reproduction, and correct the P1-cap denominator
Two review findings, plus a lost-edit repair.

v2_reconstruction is now a required variant. It carries every published figure
the reproduction rests on (avg, p80, max, P3-pegged, W1-live), so a run without
it could emit a confident, non-provisional recommendation having checked nothing
against v2 at all -- while the methodology doc claims v2 and v3 are reproduced
first. The default invocation is now derived from REQUIRED_VARIANTS so the two
cannot drift, and a test asserts the default satisfies its own requirement.

The doc and the P1_TREND_BREAK_ANCHORS comment still justified skipping the
P1_SCORE_CAP with 17/408 = 4.2%, which is the all-session share and does not
evaluate the rule. The rule names sessions with State >= 40: 47 of them, P1 sole
argmax on 17 = 36.2%, against P2's 16 and P3's 14. Conclusion unchanged -- well
under the 80% trigger -- but the published rationale now states the metric that
actually decided it.

Root cause of that survival: the earlier correction WAS made, but in a script
that applied several substitutions and wrote the file once at the end. A later
substitution raised, so the successful edits were discarded with it. The
"Unlike P3 and V1 ... P3's do not" fix was lost the same way and is restored.

Also adds tests for the refusal paths themselves -- missing required variant,
unknown variant, custom window with no calendar anchor. They were verified by
hand last round but left unpinned, which is the same shape of problem as the
optional gates they exist to enforce. All return before any network call.

Deliberately not done, as not load-bearing: recording the oas400 variant's
missing-credit session count (the truncation conclusion rests on the
distribution mismatch, which is already recorded), and generalising
_pipeline_gates for arbitrary --end/--sessions windows.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-08 23:16:03 +02:00

1409 lines
56 KiB
Python

"""AI/Tech Risk Monitor v4.
The monitor is a risk thermometer, not a probability or trading rule. It keeps
two deliberately separate outputs:
* State: current structural stress (price, breadth, credit, volatility).
* Warning: deterioration/divergence that may precede State (breadth divergence,
relative strength, credit impulse).
Both scores are quantitative and daily. The sourced hyperscaler capex and
earnings-reaction observations are a qualitative *overlay* since v3 rather than
weighted sensors: at a combined 20 points they could not reach the event
study's alarm threshold even when both pegged, so refreshing them appeared to
do nothing. They are reported next to the scores instead of inside them.
Daily snapshots are the point-in-time record. The first run under a new
``METHODOLOGY`` rewrites every session inside ``REBUILD_LOOKBACK_DAYS`` once;
ordinary runs thereafter only upsert the latest trading date. The overlay is
still gated by its effective date so a rebuild cannot stamp today's observation
onto historical snapshots.
"""
from __future__ import annotations
import hashlib
import json
import logging
import os
from datetime import date, datetime, timedelta, timezone
from pathlib import Path
import httpx
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from app.config import settings
from app.exceptions import ProviderError, ValidationError
from app.models.regime_snapshot import RegimeSnapshot
from app.providers.alpaca import AlpacaOHLCVProvider
from app.services import breadth_service, settings_store
from app.services.admin_service import update_setting
from app.services.sentiment_provider_service import _resolve as resolve_llm_config
logger = logging.getLogger(__name__)
_CA_BUNDLE = os.environ.get("SSL_CERT_FILE", "")
KEY_CONFIG = "regime_monitor_config"
KEY_FUNDAMENTALS = "regime_fundamental_overrides"
METHODOLOGY = "v4"
# Snapshots are reseeded on a methodology bump, but fundamental observations are
# collected by hand/LLM and carried across it when the format is compatible.
# EVERY methodology sharing the categorical format must be listed: this is checked
# against the *stored* blob, so omitting the current one discards the observation
# on its first write, which leaves fetched_at null and locked false -- and then
# update_regime_monitor refreshes it via the LLM on every single run, forever.
CATEGORICAL_FUNDAMENTAL_METHODOLOGIES = frozenset({"v2", "v3", "v4"})
# Bumped when a fix changes what historical rows *should* contain without
# changing the live formula, so stored history needs one reseed. Deliberately
# not METHODOLOGY: that partitions the history API and discards the cached event
# study, neither of which is warranted here -- the study recomputes its Warning
# series from source rather than reading snapshots, so a reseed cannot stale it.
# Snapshots written before this marker existed carry no key and read as 1.
# Deliberately NOT bumped for v4: a METHODOLOGY change already forces a full
# reseed (every stored row fails _parse_snapshot, so _latest_snapshot_row returns
# None and rebuilding is True). Bumping both would imply the reseed was
# revision-driven.
SENSOR_REVISION = 2
MIN_COVERAGE = 75.0
SOURCE_MAX_LAG_DAYS = 7
# Bands are per axis: the two scores have genuinely different realized ranges,
# so one shared set made Warning's top bands unreachable (v2 Warning never
# exceeded 64.9 in 408 sessions while State reached 91.2). Thresholds are round
# numbers chosen so each band covers a sane share of history, not percentile
# fits -- percentile-derived bands would drift on every rebuild and silently
# rewrite what past snapshots meant.
#
# v4 moved State's top band 80 -> 65, and only that one. With credit calm it
# scores 0.0 (not None) and still holds its full 20 points, so price + breadth +
# volatility at *literal maximum* summed to exactly 80.0 -- the old threshold, to
# the decimal, with nothing to spare. A 2022-style AI/tech drawdown with calm
# credit computes to 70.3-74.0 depending on whether a death cross has formed, so
# at 80 the case this monitor exists to measure could not print the top band.
# 65 clears it under either assumption. Realized shares over the 408 sessions to
# 2026-07-24, reported not fitted: State 78.9/13.0/4.7/3.4%, Warning 69/20/8/3%.
# The v4 breaking share (3.4%) matches v3's, which was arrived at independently.
STATE_BANDS = (20.0, 50.0, 65.0)
WARNING_BANDS = (20.0, 40.0, 60.0)
QUADRANT_STATE_DIVIDER = 50.0
QUADRANT_WARNING_DIVIDER = 40.0
QUADRANT_MARGIN = 5.0
HY_OAS_MILD = 3.5
HY_OAS_ELEVATED = 5.0
HY_OAS_STRESSED = 7.0
# ICE restricted FRED to a rolling 3-year window for BAMLH0A0HYM2 in April 2026
# ("Starting in April 2026, this series will only include 3 years of
# observations"), so v2's 10-year reference window silently became 3. Against 3
# years of uniformly tight spreads (2.59-4.61 over the calibration window) the
# blended upper-tail percentile saturated at an OAS of ~4.5 and scored 20 points
# of stress at 3.5 -- the level these anchors call "mild". The anchors already
# encode the long-run distribution, so the credit *level* is now purely anchored
# and credit *dynamics* live in W3 on the Warning axis where they belong.
# Calendar days, and it must cover the oldest date a rebuild replays -- not just
# W3's lookback. REBUILD_SESSIONS is 400 *trading* sessions (~579 calendar
# days), so a 400-calendar-day fetch left the oldest ~180 days of a rebuild with
# no OAS at all: C1 and W3 both returned None, State landed at 80% coverage and
# Warning at exactly MIN_COVERAGE, and *both still published bands* -- a series
# that looks homogeneous while its oldest rows were scored without credit.
# Widening only prepends older observations; C1 reads [-1] and W3 reads [-21], so
# live scores are unchanged and this needs no methodology bump. Stays under
# ICE's ~3-year cap so FRED still honours the request.
HY_OAS_WINDOW_DAYS = 700
# A rebuild replays every session inside this window. Bounded by calendar days
# rather than a session count because the binding constraint is the OAS fetch:
# each replayed row needs W3's 20-business-day lookback (~28 calendar days)
# inside HY_OAS_WINDOW_DAYS, so replaying further back would recreate the exact
# credit gap a reseed exists to close. 672 days is ~464 trading sessions, which
# comfortably covers the 400-session series the v3 cutover wrote.
REBUILD_LOOKBACK_DAYS = HY_OAS_WINDOW_DAYS - 28
W3_OAS_LOOKBACK = 20
W3_OAS_FULL_SCALE_PCT = 35.0
# Drawdown anchors (drawdown %, stress score). v2 used a bare ``dd_pct * 5``,
# which pegged at a 20% drawdown -- the 90th percentile of the observed
# distribution -- so 39 of 408 sessions sat at exactly 100 with no resolution
# left during the part of a selloff that matters most. These anchors keep
# headroom past the observed 36% maximum.
P3_DRAWDOWN_ANCHORS = (
(0.0, 0.0), (4.0, 10.0), (8.0, 25.0), (16.0, 50.0), (28.0, 78.0), (40.0, 100.0),
)
# Trend-break depth (% below the 200-DMA, stress score). v4; see _under_200 for
# why the crossing gets a floor of 20 rather than starting at 0. Calibrated to
# sit alongside P3 rather than swamp it -- the 200-DMA lags, so a 20% drawdown
# typically coincides with ~10% below the average, where this reads ~61 against
# P3's ~59. On the population the P1_SCORE_CAP rule actually names -- sessions
# with State >= 40 -- P1 is the sole price argmax on 17 of 47 (36.2%), against
# P2's 16 and P3's 14, so it informs the pillar without owning it and no cap
# was needed.
P1_TREND_BREAK_ANCHORS = (
(0.0, 20.0), (3.0, 35.0), (8.0, 55.0), (15.0, 75.0), (25.0, 100.0),
)
# VIX level anchors (v4). Full scale at 55 rather than at 2020's ~82: anchoring
# the top at a once-in-a-generation print would make VIX 50 -- a genuine crisis
# -- read only ~70. A typical correction (25-35) now reads 38-67 where v3 read
# 66.7-100. The anchors encode the long-run distribution as constants, the same
# argument the credit level uses.
P5_VIX_ANCHORS = (
(15.0, 0.0), (20.0, 20.0), (25.0, 38.0), (30.0, 55.0), (40.0, 80.0), (55.0, 100.0),
)
STATE_WEIGHTS = {
"price": 40.0,
"breadth": 25.0,
"credit": 20.0,
"volatility": 15.0,
}
# Fundamentals left the score in v3. At 12 + 8 points they could not reach the
# event study's alarm threshold even when both pegged at 100, so the LLM read was
# decorative; it is now a separate qualitative overlay. Credit *impulse* takes
# their place because the OAS level is pinned at zero below the 3.5 anchor while
# its rate of change is not.
WARNING_WEIGHTS = {
"breadth_divergence": 45.0,
"relative_strength": 30.0,
"credit_impulse": 25.0,
}
# Fixed at the v2 launch. These are liquid S&P 500/Nasdaq AI, semiconductor,
# infrastructure, cloud, and enterprise-software names that the platform's
# normal universe sync already stores.
DEFAULT_BREADTH_BASKET = [
"AAPL", "MSFT", "NVDA", "AMZN", "META", "GOOGL", "AVGO", "AMD",
"ORCL", "CRM", "NOW", "PLTR", "ANET", "DELL", "SMCI", "MU",
"QCOM", "INTC", "AMAT", "LRCX", "KLAC", "SNPS", "CDNS", "ADI",
"TXN", "IBM", "CSCO", "PANW", "CRWD", "VRT",
]
DEFAULT_CONFIG: dict = {
"tickers": {
"leaders": ["SMH"],
"confirm": ["QQQ"],
"market": "SPY",
"hyperscalers": ["GOOGL", "AMZN", "META", "MSFT"],
},
"breadth_basket": DEFAULT_BREADTH_BASKET,
"basket_asof": "2026-07-15",
"fundamental_staleness_days": 80,
}
CAPEX_STATES = ("raising", "holding", "cutting", "unknown")
GNSD_STATES = ("yes", "no", "mixed")
# v2 scored raising and holding identically at 0, so in a capex boom the reading
# was pinned at 0 and could not express the raising -> holding deceleration that
# is the actual early warning. Display-only in v3, but it should still describe.
_CAPEX_STATE_SCORES = {"raising": 0.0, "holding": 50.0, "cutting": 100.0}
_GNSD_SCORES = {"yes": 100.0, "no": 0.0}
Series = list[tuple[date, float]]
# ---------------------------------------------------------------------------
# Pure numeric helpers and sensors
# ---------------------------------------------------------------------------
def _clamp(x: float, lo: float = 0.0, hi: float = 100.0) -> float:
return max(lo, min(hi, x))
def _sma(values: list[float], window: int) -> float | None:
if len(values) < window:
return None
return sum(values[-window:]) / window
def _mean(values: list[float]) -> float | None:
return sum(values) / len(values) if values else None
def _blend(leader: float | None, confirm: float | None, leader_weight: float = 2.0) -> float | None:
parts: list[tuple[float, float]] = []
if leader is not None:
parts.append((leader, leader_weight))
if confirm is not None:
parts.append((confirm, 1.0))
if not parts:
return None
return sum(v * w for v, w in parts) / sum(w for _, w in parts)
def _interpolate(x: float, anchors: tuple[tuple[float, float], ...]) -> float:
"""Piecewise-linear lookup, flat outside the first and last anchor."""
if x <= anchors[0][0]:
return anchors[0][1]
for (x0, y0), (x1, y1) in zip(anchors, anchors[1:]):
if x <= x1:
return y0 + (y1 - y0) * (x - x0) / (x1 - x0)
return anchors[-1][1]
def band_for(score: float, bands: tuple[float, float, float] = STATE_BANDS) -> str:
watch, elevated, breaking = bands
if score < watch:
return "stable"
if score < elevated:
return "watch"
if score < breaking:
return "elevated"
return "breaking"
def _under_200(closes: list[float]) -> float | None:
"""Trend break graded by depth below the 200-DMA, not a bare yes/no.
Through v3 this returned 0 or 100, so P1 printed 100 the moment SMH and QQQ
were both under their average -- and because the price pillar takes
``max(P1, P2, P3)``, that pinned the pillar and stopped P3's anchored ladder
resolving anything for the whole of a selloff. It pegged on 46 of the 408
sessions to 2026-07-24; under this table, none.
The step at the crossing (0 -> 20) is deliberate: the break itself is a
genuine binary event and deserves a floor. Only the depth past it is graded.
"""
sma200 = _sma(closes, 200)
if sma200 is None or sma200 <= 0:
return None
pct_below = (sma200 - closes[-1]) / sma200 * 100.0
if pct_below <= 0:
return 0.0
return _clamp(_interpolate(pct_below, P1_TREND_BREAK_ANCHORS))
def p1_trend_break(smh: list[float], qqq: list[float], leader_weight: float = 2.0) -> float | None:
return _blend(_under_200(smh), _under_200(qqq), leader_weight)
def _death_cross(closes: list[float]) -> float | None:
sma50 = _sma(closes, 50)
sma200 = _sma(closes, 200)
if sma50 is None or sma200 is None or len(closes) < 221 or sma200 == 0:
return None
gap_pct = (sma50 / sma200 - 1.0) * 100.0
severity = 0.0 if gap_pct >= 0 else _clamp(-gap_pct * 20.0)
sma200_past = _sma(closes[:-20], 200)
if sma200_past:
slope_pct = (sma200 / sma200_past - 1.0) * 100.0
if slope_pct >= 0:
severity *= 0.5
return severity
def p2_death_cross(smh: list[float], qqq: list[float], leader_weight: float = 2.0) -> float | None:
return _blend(_death_cross(smh), _death_cross(qqq), leader_weight)
def drawdown_pct(closes: list[float]) -> float | None:
"""Percentage below the trailing 52-week closing high."""
if len(closes) < 30:
return None
peak = max(closes[-252:])
if peak <= 0:
return None
return (peak - closes[-1]) / peak * 100.0
def _drawdown(closes: list[float]) -> float | None:
dd_pct = drawdown_pct(closes)
return None if dd_pct is None else _clamp(_interpolate(dd_pct, P3_DRAWDOWN_ANCHORS))
def p3_drawdown(smh: list[float], qqq: list[float], leader_weight: float = 2.0) -> float | None:
"""Anchored drawdown stress on the same 2:1 leader/confirm blend P1 and P2 use.
v2 took ``max()`` here, which meant the more volatile leader always won and
the price pillar reduced to this one sensor: its realized share of State was
65% against a nominal 40% weight. Blending brings that back to 40%.
"""
return _blend(_drawdown(smh), _drawdown(qqq), leader_weight)
def p4_relative_strength(smh: list[float], spy: list[float], lookback: int = 60) -> float | None:
"""Stress-only SMH/SPY rollover: flat/outperformance=0, -10%=100."""
if len(smh) < lookback + 1 or len(spy) < lookback + 1:
return None
if spy[-1] == 0 or spy[-lookback - 1] == 0:
return None
now = smh[-1] / spy[-1]
past = smh[-lookback - 1] / spy[-lookback - 1]
if past == 0:
return None
chg_pct = (now / past - 1.0) * 100.0
return _clamp(-chg_pct * 10.0)
def p5_volatility(vix: float | None) -> float | None:
"""VIX level against named anchors, so it keeps resolving past a 30 print.
v3 used ``(vix - 15) / 15``, which reached 100 at VIX 30 -- the same
saturation v3 itself had just removed from P3. VIX 30 is a bad week, 50 is a
crisis and 82 was March 2020, and all three scored identically. In the 408
sessions to 2026-07-24 that flattened five distinct April-2025 prints
(52.33, 46.98, 45.31, 40.72, 38.57) into a single 100.
"""
if vix is None:
return None
return _clamp(_interpolate(vix, P5_VIX_ANCHORS))
def breadth_level_score(pct_above_200: float | None) -> float | None:
"""Broad >=60%=healthy; <=20%=full breadth stress; linear between."""
if pct_above_200 is None:
return None
return _clamp((60.0 - pct_above_200) / 40.0 * 100.0)
def _oas_absolute_score(value: float) -> float:
if value <= HY_OAS_MILD:
return 0.0
if value <= HY_OAS_ELEVATED:
return (value - HY_OAS_MILD) / (HY_OAS_ELEVATED - HY_OAS_MILD) * 50.0
if value < HY_OAS_STRESSED:
return 50.0 + (value - HY_OAS_ELEVATED) / (HY_OAS_STRESSED - HY_OAS_ELEVATED) * 50.0
return 100.0
def f2_credit_spreads(oas_values: list[float]) -> float | None:
"""HY OAS level against named absolute anchors (3.5 mild / 5.0 / 7.0).
v2 blended 70% of this with a 30% upper-tail percentile over the available
history. That leg was always a second, noisier estimate of what the anchors
already encode -- and once the usable window shrank to 3 uniformly tight
years it saturated far below any real stress level. Removed rather than
repaired: see ``HY_OAS_WINDOW_DAYS``.
"""
if not oas_values:
return None
return round(_oas_absolute_score(oas_values[-1]), 2)
def w3_credit_impulse(
oas_values: list[float], lookback: int = W3_OAS_LOOKBACK
) -> float | None:
"""HY OAS rate of change: widening only, relative so it works at any level.
The credit *level* (C1) sits at zero for as long as spreads stay under the
3.5 mild anchor -- 2.77 as of the v3 cutover -- so it contributes nothing to
State in a calm tape. The rate of change still does, and spread widening is
a classic lead, which is what Warning is for. Relative rather than absolute
because +0.5pp means something very different at 2.7 than at 8.0.
"""
if len(oas_values) < lookback + 1:
return None
past = oas_values[-lookback - 1]
if past <= 0:
return None
change_pct = (oas_values[-1] / past - 1.0) * 100.0
return _clamp(change_pct / W3_OAS_FULL_SCALE_PCT * 100.0)
def warning_sensor_scores(
divergence: float | None,
leader_closes: list[float],
market_closes: list[float],
oas_window: list[float],
) -> dict[str, float | None]:
"""The three Warning sensors, by pillar id.
Single definition so the live monitor and the event study cannot drift apart
-- in v2 the study re-derived the score from ``WARNING_WEIGHTS`` by hand and
would have silently kept measuring the old construct through this change.
"""
return {
"breadth_divergence": divergence,
"relative_strength": p4_relative_strength(leader_closes, market_closes),
"credit_impulse": w3_credit_impulse(oas_window),
}
def score_warning_sensors(sensors: dict[str, float | None]) -> float | None:
"""Weighted Warning score, renormalised over the sensors that are available."""
live = [
(float(score), float(WARNING_WEIGHTS[key]))
for key, score in sensors.items()
if score is not None and key in WARNING_WEIGHTS
]
if not live:
return None
return sum(s * w for s, w in live) / sum(w for _, w in live)
def _sensor(sensor_id: str, label: str, score: float | None, **details: object) -> dict:
return {
"id": sensor_id,
"label": label,
"score": round(score, 1) if score is not None else None,
"available": score is not None,
"details": details,
}
def _score_pillars(
pillars: list[dict],
weights: dict[str, float],
bands: tuple[float, float, float] = STATE_BANDS,
) -> dict:
expected = sum(max(0.0, float(w)) for w in weights.values())
available_weight = sum(
max(0.0, float(weights.get(p["id"], 0.0)))
for p in pillars
if p.get("score") is not None
)
coverage = available_weight / expected * 100.0 if expected else 0.0
score = None
if available_weight:
score = sum(
float(p["score"]) * float(weights.get(p["id"], 0.0))
for p in pillars
if p.get("score") is not None
) / available_weight
rows: list[dict] = []
for pillar in pillars:
row = dict(pillar)
weight = float(weights.get(row["id"], 0.0))
row["weight"] = weight
row["available"] = row.get("score") is not None
row["contribution"] = (
round(float(row["score"]) * weight / available_weight, 2)
if row["available"] and available_weight
else 0.0
)
rows.append(row)
rounded = round(score, 1) if score is not None else None
return {
"score": rounded,
"band": (
band_for(rounded, bands)
if rounded is not None and coverage >= MIN_COVERAGE
else None
),
"bands": {"watch": bands[0], "elevated": bands[1], "breaking": bands[2]},
"coverage": round(coverage, 1),
"minimum_coverage": MIN_COVERAGE,
"available_pillars": [p["id"] for p in rows if p["available"]],
"pillars": rows,
}
# ---------------------------------------------------------------------------
# Point-in-time helpers
# ---------------------------------------------------------------------------
def _closes_asof(series: Series, as_of: date) -> list[float]:
return [v for d, v in series if d <= as_of]
def _item_asof(series: Series | None, as_of: date) -> tuple[date, float] | None:
if not series:
return None
chosen: tuple[date, float] | None = None
for item in series:
if item[0] <= as_of:
chosen = item
else:
break
return chosen
def _value_asof(series: Series | None, as_of: date) -> float | None:
item = _item_asof(series, as_of)
return item[1] if item else None
def _window_asof(series: Series | None, as_of: date, days: int) -> list[float]:
if not series:
return []
start = as_of - timedelta(days=days)
return [v for d, v in series if start <= d <= as_of]
def _coverage_days(series: Series | None, as_of: date) -> int | None:
"""Span of history actually available at ``as_of``.
Recorded in every snapshot because the v2 credit percentile degraded from a
10-year to a 3-year reference silently when the upstream licence changed --
nothing asserted the window it claimed, so nothing noticed for months.
"""
dates = [d for d, _ in series or [] if d <= as_of]
return (as_of - dates[0]).days if dates else None
def _next_weekday(d: date) -> date:
candidate = d + timedelta(days=1)
while candidate.weekday() >= 5:
candidate += timedelta(days=1)
return candidate
def _parse_date(value: object) -> date | None:
if not value:
return None
try:
return date.fromisoformat(str(value)[:10])
except ValueError:
return None
def _fundamental_effective_date(overrides: dict) -> date | None:
explicit = _parse_date(overrides.get("effective_date"))
if explicit:
return explicit
fetched = _parse_date(overrides.get("fetched_at"))
return _next_weekday(fetched) if fetched else None
def _overlay_timing(
overrides: dict, config: dict, as_of: date
) -> tuple[date | None, bool, int | None, bool]:
"""Shared effective-date arithmetic: (effective, pending, age_days, stale)."""
effective = _fundamental_effective_date(overrides)
pending = effective is None or as_of < effective
age = None if pending else (as_of - effective).days
stale = bool(age is not None and age > int(config.get("fundamental_staleness_days", 80)))
return effective, pending, age, stale
def fundamental_overlay(overrides: dict, config: dict, as_of: date) -> dict:
"""Point-in-time qualitative overlay. Never feeds State or Warning since v3.
The effective-date gate stays even though nothing is scored from this: the
400-session rebuild replays historical dates, and stamping today's LLM read
onto 2024 snapshots would be plain lookahead in the stored record.
This is the *record*. For "what do we know right now", use
``current_observation`` -- do not add a bypass flag here, because this runs
for every replayed date during a rebuild.
"""
effective, pending, age, stale = _overlay_timing(overrides, config, as_of)
return {
"available": not pending and not stale,
"pending": pending,
"stale": stale,
"effective_date": effective.isoformat() if effective else None,
"age_days": age,
"capex": None if pending else overrides.get("capex"),
"good_news_stock_down": None if pending else overrides.get("good_news_stock_down"),
"capex_stress": None if pending else overrides.get("f1_score"),
"earnings_stress": None if pending else overrides.get("f3_score"),
"reasoning": None if pending else overrides.get("reasoning"),
"source": overrides.get("source"),
"fetched_at": overrides.get("fetched_at"),
}
def current_observation(overrides: dict, config: dict, as_of: date) -> dict:
"""The observation as it stands now, for the live reading only.
Same shape as ``fundamental_overlay``, but the effective date is *reported*
rather than used to blank the content. A refresh stamps
``_next_weekday(today)``, so gating the live card hid a just-collected read
for one day -- three over a weekend -- and refreshing appeared to do
nothing. Nothing here is scored, so showing it early cannot leak into a
published number; the stored snapshot keeps the gate.
"""
effective, pending, age, stale = _overlay_timing(overrides, config, as_of)
# The default override carries "unknown"/"mixed" placeholders for every
# hyperscaler. Those are the absence of an observation, not an observation
# of absence, and must never be presented as collected. ``fetched_at`` is
# the collection timestamp and is the only field written on every path that
# produces real content (LLM refresh and manual save both stamp it).
observed = bool(overrides.get("fetched_at"))
return {
"observed": observed,
# Live availability is about usefulness, not effectiveness: a pending
# observation is the freshest thing we have -- but nothing collected is
# never available.
"available": observed and not stale,
"pending": pending,
"stale": stale,
"effective_date": effective.isoformat() if effective else None,
"age_days": age,
"capex": overrides.get("capex") if observed else None,
"good_news_stock_down": overrides.get("good_news_stock_down") if observed else None,
"capex_stress": overrides.get("f1_score") if observed else None,
"earnings_stress": overrides.get("f3_score") if observed else None,
"reasoning": overrides.get("reasoning") if observed else None,
"source": overrides.get("source"),
"fetched_at": overrides.get("fetched_at"),
}
def _basket_hash(symbols: list[str]) -> str:
canonical = ",".join(sorted({s.strip().upper() for s in symbols if s.strip()}))
return hashlib.sha256(canonical.encode("utf-8")).hexdigest()[:12]
def _mapping_series(values: dict[date, float]) -> Series:
return sorted(values.items(), key=lambda item: item[0])
def _compute_index(
prices: dict[str, Series],
vix_series: Series | None,
oas_series: Series | None,
overrides: dict,
config: dict,
as_of: date,
breadth_series: Series | None = None,
divergence_series: Series | None = None,
breadth_counts: dict[date, int] | None = None,
) -> dict:
"""Compute the complete State/Warning snapshot as of one trading date."""
tickers = config["tickers"]
smh = _closes_asof(prices.get(tickers["leaders"][0], []), as_of)
qqq = _closes_asof(prices.get(tickers["confirm"][0], []), as_of)
spy = _closes_asof(prices.get(tickers["market"], []), as_of)
p1 = p1_trend_break(smh, qqq)
p2 = p2_death_cross(smh, qqq)
p3 = p3_drawdown(smh, qqq)
price_values = [v for v in (p1, p2, p3) if v is not None]
price_score = max(price_values) if price_values else None
breadth_item = _item_asof(breadth_series, as_of)
breadth_pct = breadth_item[1] if breadth_item else None
breadth_score = breadth_level_score(breadth_pct)
vix_item = _item_asof(vix_series, as_of)
vix_score = p5_volatility(vix_item[1] if vix_item else None)
oas_item = _item_asof(oas_series, as_of)
oas_window = _window_asof(oas_series, as_of, HY_OAS_WINDOW_DAYS)
credit_score = f2_credit_spreads(oas_window)
divergence = _value_asof(divergence_series, as_of)
sensors = warning_sensor_scores(divergence, smh, spy, oas_window)
relative_strength = sensors["relative_strength"]
credit_impulse = sensors["credit_impulse"]
overlay = fundamental_overlay(overrides, config, as_of)
state_pillars = [
{
"id": "price",
"label": "Price structure",
"score": round(price_score, 1) if price_score is not None else None,
"sensors": [
_sensor("P1", "Trend break (200-DMA)", p1),
_sensor("P2", "Death cross + slope", p2),
_sensor("P3", "Drawdown from 52w high", p3),
],
},
{
"id": "breadth",
"label": "Breadth level",
"score": round(breadth_score, 1) if breadth_score is not None else None,
"sensors": [_sensor("B1", "% basket above 200-DMA", breadth_score, pct_above_200=breadth_pct)],
},
{
"id": "credit",
"label": "Credit level",
"score": round(credit_score, 1) if credit_score is not None else None,
"sensors": [_sensor("C1", "HY option-adjusted spread", credit_score, oas=oas_item[1] if oas_item else None)],
},
{
"id": "volatility",
"label": "Volatility level",
"score": round(vix_score, 1) if vix_score is not None else None,
"sensors": [_sensor("V1", "VIX level", vix_score, vix=vix_item[1] if vix_item else None)],
},
]
warning_pillars = [
{
"id": "breadth_divergence",
"label": "Breadth divergence",
"score": round(divergence, 1) if divergence is not None else None,
"sensors": [_sensor("W1", "Price holding while breadth narrows", divergence)],
},
{
"id": "relative_strength",
"label": "SMH/SPY rollover",
"score": round(relative_strength, 1) if relative_strength is not None else None,
"sensors": [_sensor("W2", "60-session relative-strength deterioration", relative_strength)],
},
{
"id": "credit_impulse",
"label": "Credit impulse",
"score": round(credit_impulse, 1) if credit_impulse is not None else None,
"sensors": [
_sensor(
"W3",
f"HY OAS {W3_OAS_LOOKBACK}-session widening",
credit_impulse,
oas=oas_item[1] if oas_item else None,
)
],
},
]
state = _score_pillars(state_pillars, STATE_WEIGHTS, STATE_BANDS)
warning = _score_pillars(warning_pillars, WARNING_WEIGHTS, WARNING_BANDS)
price_item = _item_asof(prices.get(tickers["leaders"][0]), as_of)
dated_sources = {
"price": price_item[0] if price_item else None,
"breadth": breadth_item[0] if breadth_item else None,
"vix": vix_item[0] if vix_item else None,
"credit": oas_item[0] if oas_item else None,
}
source_ages = {
key: (as_of - d).days for key, d in dated_sources.items() if d is not None
}
stale_inputs = [key for key, age in source_ages.items() if age > SOURCE_MAX_LAG_DAYS]
basket = list(config["breadth_basket"])
basket_count = None
if breadth_counts and breadth_item:
basket_count = breadth_counts.get(breadth_item[0])
return {
"methodology": METHODOLOGY,
# Not part of the history filter -- only the reseed trigger.
"sensor_revision": SENSOR_REVISION,
"date": as_of.isoformat(),
"state": state,
"warning": warning,
"fundamental_overlay": overlay,
"quadrant_config": {
"state_divider": QUADRANT_STATE_DIVIDER,
"warning_divider": QUADRANT_WARNING_DIVIDER,
"margin": QUADRANT_MARGIN,
},
"basket": {
"symbols": basket,
"hash": _basket_hash(basket),
"basket_asof": config["basket_asof"],
"members_available": basket_count,
"members_expected": len(basket),
"history_kind": "forward" if as_of >= date.fromisoformat(config["basket_asof"]) else "retrospective",
},
"inputs": {
"vix": round(vix_item[1], 2) if vix_item else None,
"vix_date": vix_item[0].isoformat() if vix_item else None,
"hy_oas": round(oas_item[1], 2) if oas_item else None,
"hy_oas_date": oas_item[0].isoformat() if oas_item else None,
"breadth_pct_above_200": round(breadth_pct, 1) if breadth_pct is not None else None,
"breadth_date": breadth_item[0].isoformat() if breadth_item else None,
"fundamentals_fetched_at": overrides.get("fetched_at"),
"fundamentals_effective_date": overlay.get("effective_date"),
"fundamentals_age_days": overlay.get("age_days"),
},
"data_quality": {
"minimum_coverage": MIN_COVERAGE,
"oldest_market_input_age_days": max(source_ages.values()) if source_ages else None,
"stale_inputs": stale_inputs,
"inputs_fresh": not stale_inputs,
# Upstream history spans, so a provider silently truncating a series
# shows up in the record instead of quietly reshaping a sensor.
"credit_history_days": _coverage_days(oas_series, as_of),
"vix_history_days": _coverage_days(vix_series, as_of),
},
}
# ---------------------------------------------------------------------------
# Configuration and fundamental storage
# ---------------------------------------------------------------------------
def _normalise_basket(symbols: list[str]) -> list[str]:
cleaned = [str(s).strip().upper().replace(".", "-") for s in symbols if str(s).strip()]
if len(cleaned) != len(set(cleaned)):
raise ValidationError("Breadth basket symbols must be unique")
if not 20 <= len(cleaned) <= 100:
raise ValidationError("Breadth basket must contain between 20 and 100 symbols")
return cleaned
async def get_regime_config(db: AsyncSession) -> dict:
cfg = json.loads(json.dumps(DEFAULT_CONFIG))
raw = await settings_store.get_value(db, KEY_CONFIG)
if raw:
try:
stored = json.loads(raw)
if isinstance(stored.get("breadth_basket"), list):
cfg["breadth_basket"] = _normalise_basket(stored["breadth_basket"])
if stored.get("basket_asof"):
cfg["basket_asof"] = str(stored["basket_asof"])
if stored.get("fundamental_staleness_days") is not None:
cfg["fundamental_staleness_days"] = int(stored["fundamental_staleness_days"])
except (TypeError, ValueError, ValidationError):
logger.warning("Corrupt %s; using defaults", KEY_CONFIG)
return cfg
async def update_regime_config(db: AsyncSession, updates: dict) -> dict:
cfg = await get_regime_config(db)
if "breadth_basket" in updates:
basket = _normalise_basket(updates["breadth_basket"])
if basket != cfg["breadth_basket"]:
cfg["breadth_basket"] = basket
cfg["basket_asof"] = date.today().isoformat()
if "fundamental_staleness_days" in updates:
days = int(updates["fundamental_staleness_days"])
if not 30 <= days <= 180:
raise ValidationError("Fundamental staleness must be between 30 and 180 days")
cfg["fundamental_staleness_days"] = days
await update_setting(db, KEY_CONFIG, json.dumps(cfg))
return cfg
async def get_fundamental_overrides(db: AsyncSession) -> dict:
names = DEFAULT_CONFIG["tickers"]["hyperscalers"]
default = {
"methodology": METHODOLOGY,
"f1_score": None,
"f3_score": None,
"capex": {name: "unknown" for name in names},
"good_news_stock_down": "mixed",
"locked": False,
"reasoning": None,
"fetched_at": None,
"effective_date": None,
"source": "default",
}
raw = await settings_store.get_value(db, KEY_FUNDAMENTALS)
if not raw:
return default
try:
stored = json.loads(raw)
except (TypeError, ValueError):
return default
# The guard rejects pre-v2 blobs, where f1/f3 were arbitrary numbers with no
# categorical source. v2 and v3 share the categorical format and both derive
# f1/f3 from it below, so a methodology bump must not discard a live
# observation -- only the capex *scale* changed, and that is recomputed.
if stored.get("methodology") not in CATEGORICAL_FUNDAMENTAL_METHODOLOGIES:
return default
capex = _normalise_capex_states(stored.get("capex"), names)
reaction = str(stored.get("good_news_stock_down", "mixed")).strip().lower()
if reaction not in GNSD_STATES:
reaction = "mixed"
return {
**default,
**stored,
"methodology": METHODOLOGY,
"f1_score": _score_capex_states(capex, names),
"f3_score": _GNSD_SCORES.get(reaction),
"capex": capex,
"good_news_stock_down": reaction,
}
def _normalise_capex_states(
raw: object,
names: list[str],
*,
strict: bool = False,
) -> dict[str, str]:
values = raw if isinstance(raw, dict) else {}
if strict and set(values) != set(names):
raise ValidationError(
f"Capex override must contain exactly: {', '.join(names)}"
)
out: dict[str, str] = {}
for name in names:
state = str(values.get(name, "unknown")).strip().lower()
if state not in CAPEX_STATES:
if strict:
raise ValidationError(f"Invalid capex state for {name}: {state}")
state = "unknown"
out[name] = state
return out
def _score_capex_states(capex: dict[str, str], names: list[str]) -> float | None:
scores = [_CAPEX_STATE_SCORES[capex[name]] for name in names if capex[name] in _CAPEX_STATE_SCORES]
score = _mean(scores) if len(scores) >= 3 else None
return round(score, 1) if score is not None else None
async def set_fundamental_overrides(
db: AsyncSession,
capex: dict[str, str] | None = None,
good_news_stock_down: str | None = None,
locked: bool | None = None,
) -> dict:
current = await get_fundamental_overrides(db)
observation_changed = capex is not None or good_news_stock_down is not None
if capex is not None:
names = DEFAULT_CONFIG["tickers"]["hyperscalers"]
normalised = _normalise_capex_states(capex, names, strict=True)
current["capex"] = normalised
current["f1_score"] = _score_capex_states(normalised, names)
if good_news_stock_down is not None:
reaction = good_news_stock_down.strip().lower()
if reaction not in GNSD_STATES:
raise ValidationError(f"Invalid good-news-stock-down state: {reaction}")
current["good_news_stock_down"] = reaction
current["f3_score"] = _GNSD_SCORES.get(reaction)
if locked is not None:
current["locked"] = bool(locked)
elif observation_changed:
current["locked"] = True
if observation_changed:
now = datetime.now(timezone.utc)
current.update({
"methodology": METHODOLOGY,
"source": "manual",
"reasoning": None,
"fetched_at": now.isoformat(),
"effective_date": _next_weekday(now.date()).isoformat(),
})
await update_setting(db, KEY_FUNDAMENTALS, json.dumps(current))
return current
# ---------------------------------------------------------------------------
# External data fetching
# ---------------------------------------------------------------------------
def _price_symbols(config: dict) -> list[str]:
tickers = config["tickers"]
symbols = list(tickers["leaders"]) + list(tickers["confirm"]) + [tickers["market"]]
return list(dict.fromkeys(s for s in symbols if s))
async def _fetch_prices(config: dict, start: date, end: date) -> dict[str, Series]:
if not settings.alpaca_api_key or not settings.alpaca_api_secret:
return {}
provider = AlpacaOHLCVProvider(settings.alpaca_api_key, settings.alpaca_api_secret)
out: dict[str, Series] = {}
for symbol in _price_symbols(config):
try:
bars = await provider.fetch_ohlcv(symbol, start, end)
out[symbol] = sorted(((b.date, float(b.close)) for b in bars), key=lambda item: item[0])
except Exception as exc:
logger.warning("Risk monitor: price fetch failed for %s: %s", symbol, exc)
return out
async def _fetch_fred_series(series_id: str, start: date, end: date) -> Series | None:
if not settings.fred_api_key:
return None
verify = _CA_BUNDLE if (_CA_BUNDLE and Path(_CA_BUNDLE).exists()) else True
params = {
"series_id": series_id,
"api_key": settings.fred_api_key,
"file_type": "json",
"observation_start": start.isoformat(),
"observation_end": end.isoformat(),
}
try:
async with httpx.AsyncClient(timeout=30, verify=verify) as client:
response = await client.get(
"https://api.stlouisfed.org/fred/series/observations", params=params
)
response.raise_for_status()
payload = response.json()
except Exception as exc:
logger.warning("Risk monitor: FRED fetch failed for %s: %s", series_id, exc)
return None
out: Series = []
for observation in payload.get("observations", []):
value = observation.get("value")
if value in (None, ".", ""):
continue
try:
out.append((date.fromisoformat(observation["date"]), float(value)))
except (TypeError, ValueError):
continue
return sorted(out, key=lambda item: item[0])
# ---------------------------------------------------------------------------
# Snapshot persistence and reads
# ---------------------------------------------------------------------------
async def _upsert_snapshot(
db: AsyncSession,
result: dict,
*,
rewrite_existing: bool,
) -> tuple[bool, dict]:
snapshot_date = date.fromisoformat(result["date"])
existing = await db.execute(select(RegimeSnapshot).where(RegimeSnapshot.date == snapshot_date))
row = existing.scalar_one_or_none()
state_score = (result.get("state") or {}).get("score")
state_band = (result.get("state") or {}).get("band")
payload = json.dumps(result)
if row is None:
db.add(RegimeSnapshot(
date=snapshot_date,
total_score=float(state_score or 0.0),
band=state_band or "unavailable",
breakdown_json=payload,
created_at=datetime.now(timezone.utc),
))
else:
existing_parsed = _parse_snapshot(row.breakdown_json)
if existing_parsed is not None and not rewrite_existing:
return False, existing_parsed
row.total_score = float(state_score or 0.0)
row.band = state_band or "unavailable"
row.breakdown_json = payload
return True, result
def _snapshot_revision(snapshot: dict) -> int:
"""Sensor revision of a stored snapshot; pre-marker rows read as 1."""
try:
return int(snapshot.get("sensor_revision") or 1)
except (TypeError, ValueError):
return 1
def _parse_snapshot(raw: str) -> dict | None:
try:
parsed = json.loads(raw)
except (TypeError, ValueError):
return None
return parsed if parsed.get("methodology") == METHODOLOGY else None
async def _latest_snapshot_row(db: AsyncSession) -> tuple[RegimeSnapshot, dict] | None:
result = await db.execute(
select(RegimeSnapshot).order_by(RegimeSnapshot.date.desc()).limit(1000)
)
for row in result.scalars().all():
parsed = _parse_snapshot(row.breakdown_json)
if parsed is not None:
return row, parsed
return None
async def update_regime_monitor(
db: AsyncSession, rebuild_lookback_days: int = REBUILD_LOOKBACK_DAYS
) -> dict:
config = await get_regime_config(db)
overrides = await get_fundamental_overrides(db)
if _fundamentals_stale(overrides, config) and not overrides.get("locked"):
try:
overrides = await refresh_fundamental_overrides(db, config=config)
except Exception as exc:
logger.warning("Risk monitor: fundamentals refresh skipped: %s", exc)
end = date.today()
prices = await _fetch_prices(config, end - timedelta(days=1200), end)
leader = config["tickers"]["leaders"][0]
leader_series = prices.get(leader, [])
if not leader_series:
return {"available": False, "reason": "no benchmark price data"}
latest_date = leader_series[-1][0]
vix_series = await _fetch_fred_series("VIXCLS", end - timedelta(days=1200), end)
# Asking for 13 years was misleading once the licence capped the series at 3;
# the level needs the latest point and W3 needs its lookback, nothing more.
oas_series = await _fetch_fred_series(
"BAMLH0A0HYM2", end - timedelta(days=HY_OAS_WINDOW_DAYS), end
)
basket = config["breadth_basket"]
try:
breadth, breadth_counts = await breadth_service.compute_breadth_details(
db, basket, window=200, min_tickers=20
)
divergence = breadth_service.compute_divergence_series(breadth, leader_series)
except Exception as exc:
logger.warning("Risk monitor: fixed-basket breadth skipped: %s", exc)
breadth, breadth_counts, divergence = {}, {}, {}
latest_snapshot = await _latest_snapshot_row(db)
# A stored series written under an older sensor revision is reseeded once.
# Without this, raising HY_OAS_WINDOW_DAYS would only ever reach newly
# computed rows: routine runs touch the latest date alone, so every older row
# would keep the credit gap indefinitely.
rebuilding = bool(leader_series) and (
latest_snapshot is None
or _snapshot_revision(latest_snapshot[1]) < SENSOR_REVISION
)
if rebuilding:
floor = end - timedelta(days=rebuild_lookback_days)
dates = [d for d, _ in leader_series if d >= floor] or [latest_date]
else:
# Routine PIT rule: only the latest trading date may be inserted/updated.
dates = [latest_date]
breadth_series = _mapping_series(breadth)
divergence_series = _mapping_series(divergence)
latest_result: dict | None = None
snapshots_written = 0
for snapshot_date in dates:
computed = _compute_index(
prices,
vix_series,
oas_series,
overrides,
config,
snapshot_date,
breadth_series,
divergence_series,
breadth_counts,
)
written, latest_result = await _upsert_snapshot(
db,
computed,
# True for *every* replayed date on a reseed, or it would write one
# row and leave the rest at the old revision.
rewrite_existing=rebuilding or snapshot_date == latest_date,
)
snapshots_written += int(written)
await db.commit()
logger.info(json.dumps({
"event": "regime_monitor_updated",
"methodology": METHODOLOGY,
"date": latest_result.get("date") if latest_result else None,
"state": ((latest_result or {}).get("state") or {}).get("score"),
"warning": ((latest_result or {}).get("warning") or {}).get("score"),
"snapshots_written": snapshots_written,
}))
return latest_result or {"available": False, "reason": "no data"}
async def _result_at_or_before(
db: AsyncSession,
target: date,
basket_hash: str | None = None,
) -> dict | None:
result = await db.execute(
select(RegimeSnapshot.breakdown_json)
.where(RegimeSnapshot.date <= target)
.order_by(RegimeSnapshot.date.desc())
.limit(1000)
)
for raw in result.scalars().all():
parsed = _parse_snapshot(raw)
parsed_hash = ((parsed or {}).get("basket") or {}).get("hash")
if parsed is not None and (basket_hash is None or parsed_hash == basket_hash):
return parsed
return None
def _delta(current: dict, previous: dict | None) -> float | None:
if not previous:
return None
if current.get("available_pillars") != previous.get("available_pillars"):
return None
a, b = current.get("score"), previous.get("score")
return round(a - b, 1) if a is not None and b is not None else None
async def get_regime_monitor(db: AsyncSession) -> dict:
latest = await _latest_snapshot_row(db)
if latest is None:
return {"available": False, "reason": "not computed yet"}
row, result = latest
basket_hash = (result.get("basket") or {}).get("hash")
previous_7 = await _result_at_or_before(
db, row.date - timedelta(days=7), basket_hash
)
previous_30 = await _result_at_or_before(
db, row.date - timedelta(days=30), basket_hash
)
for key in ("state", "warning"):
block = result.get(key) or {}
block["trend"] = {
"delta_7": _delta(block, (previous_7 or {}).get(key)),
"delta_30": _delta(block, (previous_30 or {}).get(key)),
}
result[key] = block
snapshot_age = (date.today() - row.date).days
quality = result.get("data_quality") or {}
quality["snapshot_age_days"] = snapshot_age
quality["is_fresh"] = bool(quality.get("inputs_fresh")) and snapshot_age <= 4
result["data_quality"] = quality
# The snapshot's overlay is the point-in-time record; the reader also wants
# the current observation even when it is not effective until the next
# session, because otherwise refreshing it looks like it did nothing.
config = await get_regime_config(db)
overrides = await get_fundamental_overrides(db)
live = current_observation(overrides, config, date.today())
# Deliberately reads the *snapshot's* overlay, not the live one: this is how
# the reader tells "shown here" from "in the stored record".
live["observed_in_snapshot"] = bool((result.get("fundamental_overlay") or {}).get("available"))
result["fundamental_context"] = live
result["available"] = True
return result
async def get_regime_history(db: AsyncSession, days: int = 800) -> list[dict]:
cutoff = date.today() - timedelta(days=days)
result = await db.execute(
select(RegimeSnapshot)
.where(RegimeSnapshot.date >= cutoff)
.order_by(RegimeSnapshot.date.asc())
)
out: list[dict] = []
for row in result.scalars().all():
data = _parse_snapshot(row.breakdown_json)
if data is None:
continue
state, warning = data.get("state") or {}, data.get("warning") or {}
out.append({
"date": row.date.isoformat(),
"state": state.get("score") if state.get("band") is not None else None,
"warning": warning.get("score") if warning.get("band") is not None else None,
"state_coverage": state.get("coverage"),
"warning_coverage": warning.get("coverage"),
"basket_hash": (data.get("basket") or {}).get("hash"),
})
if not out:
return out
latest_hash = out[-1]["basket_hash"]
if latest_hash is None:
return out
return [point for point in out if point["basket_hash"] == latest_hash]
# ---------------------------------------------------------------------------
# Grounded fundamental extraction
# ---------------------------------------------------------------------------
_CAPEX_PROMPT = """\
You are a markets analyst. Search the web for the MOST RECENT (last reported \
quarter) capital-expenditure (capex) guidance from these hyperscalers: {names}.
For each name, classify forward capex/AI-infrastructure guidance vs. the prior \
quarter as exactly one of: "raising", "holding", "cutting", "unknown".
Also judge the recent good-news-stock-down dynamic across these names and the \
semiconductor sector after earnings/revenue beats. Answer "yes", "no", or "mixed".
Respond ONLY with JSON (no markdown):
{{"capex": {{ {example} }}, "good_news_stock_down": "yes|no|mixed", \
"reasoning": "<2-3 sourced sentences>"}}
"""
def _fundamentals_stale(overrides: dict, config: dict) -> bool:
fetched = overrides.get("fetched_at")
if not fetched:
return True
try:
timestamp = datetime.fromisoformat(fetched)
except (TypeError, ValueError):
return True
if timestamp.tzinfo is None:
timestamp = timestamp.replace(tzinfo=timezone.utc)
return datetime.now(timezone.utc) - timestamp > timedelta(
days=int(config.get("fundamental_staleness_days", 80))
)
def _strip_fences(text: str) -> str:
clean = (text or "").strip()
if clean.startswith("```"):
clean = clean.split("\n", 1)[1] if "\n" in clean else clean[3:]
if clean.endswith("```"):
clean = clean[:-3]
return clean.strip()
def _extract_responses_text(response: object) -> str:
for item in getattr(response, "output", []) or []:
if getattr(item, "type", None) == "message" and getattr(item, "content", None):
for block in item.content:
if getattr(block, "text", None):
return block.text
return ""
async def _call_llm_json(cfg: dict, prompt: str) -> dict:
provider, model, api_key = cfg["provider"], cfg["model"], cfg["api_key"]
base_url = cfg.get("base_url")
if provider == "gemini":
from google import genai
from google.genai import types
client = genai.Client(api_key=api_key)
response = await client.aio.models.generate_content(
model=model,
contents=prompt,
config=types.GenerateContentConfig(
tools=[types.Tool(google_search=types.GoogleSearch())],
response_mime_type="application/json",
),
)
return json.loads(_strip_fences(response.text))
from openai import AsyncOpenAI
verify = _CA_BUNDLE if (_CA_BUNDLE and Path(_CA_BUNDLE).exists()) else True
client = AsyncOpenAI(
api_key=api_key,
base_url=base_url or None,
http_client=httpx.AsyncClient(verify=verify),
)
if provider in ("openai", "xai"):
tool = "web_search_preview" if provider == "openai" else "web_search"
response = await client.responses.create(
model=model,
tools=[{"type": tool}],
instructions="Respond with valid JSON only, no markdown fences.",
input=prompt,
)
return json.loads(_strip_fences(_extract_responses_text(response)))
response = await client.chat.completions.create(
model=model,
messages=[{"role": "user", "content": prompt}],
response_format={"type": "json_object"},
)
return json.loads(_strip_fences(response.choices[0].message.content))
async def refresh_fundamental_overrides(
db: AsyncSession, config: dict | None = None, force: bool = False
) -> dict:
current = await get_fundamental_overrides(db)
if current.get("locked") and not force:
return current
config = config or await get_regime_config(db)
llm = await resolve_llm_config(db)
if not llm.get("api_key"):
raise ProviderError(f"No API key configured for LLM provider '{llm.get('provider')}'")
names = config["tickers"]["hyperscalers"]
example = ", ".join(f'"{name}": "holding"' for name in names)
parsed = await _call_llm_json(
llm, _CAPEX_PROMPT.format(names=", ".join(names), example=example)
)
raw_capex = parsed.get("capex", {}) if isinstance(parsed, dict) else {}
capex = _normalise_capex_states(raw_capex, names)
f1 = _score_capex_states(capex, names)
reaction = str(parsed.get("good_news_stock_down", "")).strip().lower()
if reaction not in GNSD_STATES:
reaction = "mixed"
f3 = _GNSD_SCORES.get(reaction)
now = datetime.now(timezone.utc)
result = {
"methodology": METHODOLOGY,
"f1_score": f1,
"f3_score": f3,
"capex": capex,
"good_news_stock_down": reaction or None,
"reasoning": parsed.get("reasoning") if isinstance(parsed, dict) else None,
"fetched_at": now.isoformat(),
"effective_date": _next_weekday(now.date()).isoformat(),
"locked": False,
"source": llm.get("provider"),
}
await update_setting(db, KEY_FUNDAMENTALS, json.dumps(result))
logger.info(json.dumps({
"event": "regime_fundamentals_refreshed",
"f1": result["f1_score"],
"f3": result["f3_score"],
"effective_date": result["effective_date"],
}))
return result