权利金折 U 优先用开仓 budget_usdt，避免随币价浮动。

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

lib/options/options_positions_lib.py

@@ -140,7 +140,14 @@ def display_pnl_usdt_from_option_row(row: dict[str, Any]) -> float | None:
 
 
 def premium_paid_usdt_from_option_row(row: dict[str, Any]) -> float | None:
-    """开仓权利金折 USDT:币本位 × 指数;USDC 原样."""
+    """开仓权利金折 USDT.
+
+    优先用开仓时兑换/预算占用的 budget_usdt(不随币价浮动);
+    否则 USDC 原样;币本位无预算记录时才回退 × 当前指数.
+    """
+    entry = _safe_float(row.get("premium_entry_usdt") or row.get("budget_usdt"))
+    if entry is not None:
+        return round(float(entry), 4)
     paid = _safe_float(row.get("premium_paid"))
     if paid is None:
         return None
@@ -207,6 +214,8 @@ def build_display_option_positions(
     raw_positions: list[dict[str, Any]],
 ) -> list[dict[str, Any]]:
     """与实例 /api/options/positions 相同 enrichment + close_preview."""
+    from lib.options.options_db import init_options_tables, sum_open_budget_usdt, sum_open_premium_paid
+
     meta_cache: dict[str, dict[str, Any] | None] = {}
     rows: list[dict[str, Any]] = []
     conn = cfg["get_db"]()
@@ -215,6 +224,7 @@ def build_display_option_positions(
         for p in raw_positions:
             inst = str(p.get("instId") or "").strip()
             premium_override = sum_open_premium_paid(conn, inst) if inst else None
+            budget_usdt = sum_open_budget_usdt(conn, inst) if inst else None
             row = enrich_position_row_display(
                 cfg,
                 ex,
@@ -222,6 +232,9 @@ def build_display_option_positions(
                 meta_cache=meta_cache,
                 premium_override=premium_override,
             )
+            if budget_usdt is not None:
+                row["budget_usdt"] = round(float(budget_usdt), 4)
+                row["premium_entry_usdt"] = round(float(budget_usdt), 4)
             attach_close_preview(cfg, ex, row, premium_paid=_safe_float(row.get("premium_paid")))
             rows.append(row)
     finally: