Add long-straddle premium overlay to hub amp stats.

Configurable bilateral premium with exceed counts/ratios and settlement PnL for buying volatility.

Co-authored-by: Cursor <cursoragent@cursor.com>

manual_trading_hub/amp_stats_routes.py

@@ -12,7 +12,10 @@ from lib.hub.amp_stats_lib import (
     build_export_csv,
     compute_amp_stats,
     export_filename,
+    normalize_straddle_premium,
     rows_page,
+    straddle_long_stats,
+    summarize_rows,
 )
 
 
@@ -21,6 +24,7 @@ class ComputeBody(BaseModel):
     start_hour: int = 16
     period: str = "2m"
     custom_days: Optional[int] = None
+    straddle_premium: Optional[float] = None
     page: int = 1
     page_size: int = 20
 
@@ -29,6 +33,13 @@ class SaveBody(BaseModel):
     result: dict[str, Any] = Field(default_factory=dict)
 
 
+class StraddleBody(BaseModel):
+    """已有日表上按权利金重算买跨对照(不拉 K 线)."""
+
+    rows: list[dict[str, Any]] = Field(default_factory=list)
+    straddle_premium: Optional[float] = None
+
+
 def create_amp_stats_router() -> APIRouter:
     router = APIRouter(prefix="/api/amp-stats", tags=["amp-stats"])
 
@@ -54,6 +65,7 @@ def create_amp_stats_router() -> APIRouter:
             "default_period": "2m",
             "timeframe": "1H",
             "metric_note": "振幅与距离均为点数:振幅=最高-最低=(开→高)+(开→低)",
+            "straddle_note": "买跨对照:双边权利金可设;越过用严格>;盈亏=|收-开|-权利金",
         }
 
     @router.post("/compute")
@@ -64,6 +76,7 @@ def create_amp_stats_router() -> APIRouter:
                 start_hour=body.start_hour,
                 period=body.period,
                 custom_days=body.custom_days,
+                straddle_premium=body.straddle_premium,
             )
         except ValueError as exc:
             raise HTTPException(status_code=400, detail=str(exc)) from exc
@@ -76,6 +89,20 @@ def create_amp_stats_router() -> APIRouter:
             "page": page,
         }
 
+    @router.post("/straddle")
+    def api_straddle(body: StraddleBody):
+        try:
+            prem = normalize_straddle_premium(body.straddle_premium)
+        except ValueError as exc:
+            raise HTTPException(status_code=400, detail=str(exc)) from exc
+        if prem is None:
+            return {"ok": True, "straddle": None}
+        try:
+            st = straddle_long_stats(body.rows or [], prem)
+        except ValueError as exc:
+            raise HTTPException(status_code=400, detail=str(exc)) from exc
+        return {"ok": True, "straddle": st}
+
     @router.get("/history")
     def api_history(symbol: str = "", limit: int = 50):
         return {"ok": True, "items": list_history(symbol=symbol, limit=limit)}
@@ -108,12 +135,21 @@ def create_amp_stats_router() -> APIRouter:
         start_hour: int = Query(default=16),
         period: str = Query(default="2m"),
         custom_days: Optional[int] = Query(default=None),
+        straddle_premium: Optional[float] = Query(default=None),
     ):
         if (history_id or "").strip():
             item = get_history(history_id.strip())
             if not item:
                 raise HTTPException(status_code=404, detail="历史不存在")
-            payload = item
+            payload = dict(item)
+            try:
+                prem = normalize_straddle_premium(straddle_premium)
+            except ValueError as exc:
+                raise HTTPException(status_code=400, detail=str(exc)) from exc
+            if prem is not None:
+                summary = summarize_rows(payload.get("rows") or [], straddle_premium=prem)
+                payload["summary"] = summary
+                payload["straddle_premium"] = prem
         else:
             try:
                 payload = compute_amp_stats(
@@ -121,6 +157,7 @@ def create_amp_stats_router() -> APIRouter:
                     start_hour=start_hour,
                     period=period,
                     custom_days=custom_days,
+                    straddle_premium=straddle_premium,
                 )
             except ValueError as exc:
                 raise HTTPException(status_code=400, detail=str(exc)) from exc