dennisthiessen
1e82dfad7f
Production strategy change based on the July 2026 backtest: paper trades now default to a 30-trading-day hold with the initial stop (classic momentum hold-and-rerank), while target and trailing exits remain available in Admin. The exit policy API/UI now carries hold_days and close_reason can be 'time'. The activation confidence floor default is now 0/off because the gate ablation showed it added no per-trade edge while filtering out usable setups. Migration 015 clears stored activation_min_confidence and paper_exit_mode so the new defaults take effect; this intentionally resets Track Record comparability from this deploy. Verification: 451 backend tests pass, ruff check app/ clean, frontend npm run build clean. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
"""Paper trades router — take, list, and close simulated trades."""
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from fastapi import APIRouter, Depends, Query
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.dependencies import get_db, require_access, require_admin
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from app.models.user import User
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from app.schemas.common import APIEnvelope
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from app.schemas.paper_trade import (
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ExitPolicyUpdate,
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PaperTradeClose,
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PaperTradeCreate,
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PaperTradeResponse,
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)
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from app.services import paper_trade_service
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router = APIRouter(tags=["paper-trades"])
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def _resp(trade, symbol: str, current_price=None) -> dict:
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return PaperTradeResponse(
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id=trade.id,
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symbol=symbol,
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direction=trade.direction,
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entry_price=trade.entry_price,
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shares=trade.shares,
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stop_loss=trade.stop_loss,
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target=trade.target,
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status=trade.status,
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opened_at=trade.opened_at,
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close_price=trade.close_price,
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closed_at=trade.closed_at,
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current_price=current_price,
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).model_dump(mode="json")
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@router.get("/paper-trades", response_model=APIEnvelope)
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async def list_paper_trades(
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status: str | None = Query(default=None, pattern=r"^(open|closed)$"),
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user: User = Depends(require_access),
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db: AsyncSession = Depends(get_db),
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) -> APIEnvelope:
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rows = await paper_trade_service.list_trades(db, user.id, status=status)
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data = [PaperTradeResponse(**r).model_dump(mode="json") for r in rows]
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return APIEnvelope(status="success", data=data)
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@router.get("/paper-trades/exit-policy", response_model=APIEnvelope)
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async def read_exit_policy(
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_user: User = Depends(require_access),
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db: AsyncSession = Depends(get_db),
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) -> APIEnvelope:
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"""The active auto-exit policy for open paper trades (shown in the UI)."""
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return APIEnvelope(status="success", data=await paper_trade_service.get_exit_policy(db))
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@router.put("/paper-trades/exit-policy", response_model=APIEnvelope)
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async def write_exit_policy(
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body: ExitPolicyUpdate,
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_user: User = Depends(require_admin),
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db: AsyncSession = Depends(get_db),
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) -> APIEnvelope:
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"""Change the auto-exit policy (admin)."""
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data = await paper_trade_service.set_exit_policy(
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db, mode=body.mode, trailing_pct=body.trailing_pct, hold_days=body.hold_days
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)
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return APIEnvelope(status="success", data=data)
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@router.post("/paper-trades", response_model=APIEnvelope, status_code=201)
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async def create_paper_trade(
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body: PaperTradeCreate,
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user: User = Depends(require_access),
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db: AsyncSession = Depends(get_db),
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) -> APIEnvelope:
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trade = await paper_trade_service.create_trade(
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db, user.id,
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symbol=body.symbol,
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direction=body.direction,
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entry_price=body.entry_price,
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shares=body.shares,
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stop_loss=body.stop_loss,
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target=body.target,
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)
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return APIEnvelope(status="success", data=_resp(trade, body.symbol.strip().upper()))
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@router.post("/paper-trades/{trade_id}/close", response_model=APIEnvelope)
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async def close_paper_trade(
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trade_id: int,
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body: PaperTradeClose,
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user: User = Depends(require_access),
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db: AsyncSession = Depends(get_db),
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) -> APIEnvelope:
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trade = await paper_trade_service.close_trade(db, user.id, trade_id, body.close_price)
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return APIEnvelope(status="success", data={"id": trade.id, "status": trade.status})
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