feat: saxo price

backend/services/saxo_client.py

@@ -242,13 +242,13 @@ def get_price_quote(symbol: str, asset_type: str = "FxSpot", amount: int = 10000
 
 def get_price_history(symbol: str, asset_type: str = "FxSpot", days: int = 90) -> List[Dict[str, Any]]:
     """Daily OHLC bars via Saxo's Chart API (GET /chart/v3/charts, Horizon=1440 = daily
-    bars). v1 confirmed dead (plain HTML 404, not a Saxo JSON error — 2026-07-23 live
+    bars). v1 confirmed dead (plain HTML 404, not a Saxo JSON error); v3 confirmed live
-    test) — Saxo has iterated this service's version over time, v3 is the current best
+    2026-07-23 (returns real bars — ContractFutures symbols worked immediately). FX Spot
-    guess, NOT yet verified against a live account (unlike get_price_quote/
+    bars quote Bid/Ask rather than a single traded Close (no single last-traded price for
-    snapshot_options_chain, which were built against confirmed real responses) — this
+    OTC FX) — CloseMid/mid-of-CloseBid+CloseAsk is used as the close price in that case.
-    follows Saxo's documented chart endpoint shape but needs a live check once deployed.
+    Callers should treat any failure here (entitlement gap, still-wrong field names for
-    Callers should treat any failure here (wrong field names, entitlement gap, etc.) as
+    some other asset type, etc.) as routine and fall back to another source, not surface
-    routine and fall back to another source, not surface it as a hard error.
+    it as a hard error.
     Returns oldest-first [{"date": "YYYY-MM-DD", "close": float}, ...].
     """
     instrument = resolve_instrument(symbol, asset_types=asset_type)
@@ -263,13 +263,17 @@ def get_price_history(symbol: str, asset_type: str = "FxSpot", days: int = 90) -
         raise ValueError(f"No chart data returned for '{symbol}' ({asset_type})")
     out = []
     for bar in bars:
-        close = bar.get("Close")
         time_str = bar.get("Time")
+        close = bar.get("Close")
+        if close is None:
+            close = bar.get("CloseMid")
+        if close is None and bar.get("CloseBid") is not None and bar.get("CloseAsk") is not None:
+            close = (bar["CloseBid"] + bar["CloseAsk"]) / 2
         if close is None or not time_str:
             continue
         out.append({"date": str(time_str)[:10], "close": float(close)})
     if not out:
-        raise ValueError(f"Chart data for '{symbol}' had no usable Close/Time fields")
+        raise ValueError(f"Chart data for '{symbol}' had no usable Close/CloseMid/CloseBid+CloseAsk/Time fields — raw bar keys: {list(bars[0].keys()) if bars else []}")
     return out