修复比特币期权浮盈把币数量当成 U：看板/中控改为按指数折 USDT。

币本位 BTC/ETH 净盈亏须 × 指数后再标 U；并兜底从合约推断 premium_ccy，避免缺失时漏折算。

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

lib/options/options_positions_lib.py

@@ -125,11 +125,24 @@ def display_pnl_from_option_row(row: dict[str, Any]) -> float | None:
 
 
 def display_pnl_usdt_from_option_row(row: dict[str, Any]) -> float | None:
-    """顶栏「实时盈亏」用:币本位净盈亏按指数折 USDT;USDC 仓原样."""
+    """顶栏/看板「实时盈亏」用:币本位净盈亏按指数折 USDT;USDC 仓原样.
+
+    BTC/ETH 币本位若不折算,会被界面标成 U 而数值仍是币数量(BTC 尤为离谱).
+    """
     pnl = display_pnl_from_option_row(row)
     if pnl is None:
         return None
     ccy = str(row.get("premium_ccy") or "USDC").strip().upper() or "USDC"
+    if not ccy or ccy == "USDC":
+        # 兜底:按合约推断币本位,避免 premium_ccy 缺失时把 BTC 盈亏当 U
+        inst = str(row.get("inst_id") or row.get("instId") or "")
+        mode = str(row.get("margin_mode") or "").strip().lower()
+        if mode == "coin" or (
+            "-USD-" in inst.upper() and "_UM" not in inst.upper()
+        ):
+            underly = str(row.get("underlying") or (inst.split("-")[0] if inst else "") or "").upper()
+            if underly in ("ETH", "BTC"):
+                ccy = underly
     if ccy in ("ETH", "BTC"):
         idx = _safe_float(row.get("idx_px") or row.get("idxPx") or row.get("index_px"))
         if idx is None or idx <= 0: