diff --git a/agents/stock/workspace/scripts/behive_web.py b/agents/stock/workspace/scripts/behive_web.py
index b16c7be..cbf05fe 100644
--- a/agents/stock/workspace/scripts/behive_web.py
+++ b/agents/stock/workspace/scripts/behive_web.py
@@ -2592,6 +2592,18 @@ def _render_holding_row(r: dict, total_value: int, show_day_change: bool = False
     star = ''.join(star_parts)
     day_change = r.get('day_change', 0)
     day_change_pct = r.get('day_change_pct', 0.0)
+    # 표시 등락 기준을 마크된 시장의 ka10095 전일종가(현재가−전일대비)로 통일 — 감시탭과 일치.
+    # (스냅샷 rebase 값과 50원 단위로 갈려 미리보기·당일종가 등락이 어긋나던 것 해소. 원본 r은 보존.)
+    _ok = r.get('ohlc_krx') or {}
+    _on = r.get('ohlc_nxt') or {}
+    _kp = _ok.get('price', 0) or 0
+    _np = _on.get('price', 0) or 0
+    _md = _on if (_np and _np == price and _np != _kp) else _ok
+    _md_prev = (_md.get('price', 0) or 0) - (_md.get('change', 0) or 0)
+    if _md_prev > 0 and price:
+        day_change = price - _md_prev
+        day_change_pct = (price - _md_prev) / _md_prev * 100.0
+        r = {**r, 'day_change': day_change, 'day_change_pct': day_change_pct}
 
     candle_summary = ''
     ohlc = r.get('ohlc') or {}
@@ -2667,14 +2679,18 @@ def _render_holding_row(r: dict, total_value: int, show_day_change: bool = False
         if _krx_prev > 0:
             ohlc_krx_for_render['prev_close'] = _krx_prev
     ohlc_nxt_for_render = r.get('ohlc_nxt')
-    _snap_prev = r.get('pred_close', 0) or 0
-    if ohlc_nxt_for_render and _snap_prev > 0:
+    if ohlc_nxt_for_render:
         ohlc_nxt_for_render = dict(ohlc_nxt_for_render)
-        ohlc_nxt_for_render['open'] = _snap_prev
-        ohlc_nxt_for_render['prev_close'] = _snap_prev
         _nxt_px = ohlc_nxt_for_render.get('price', 0) or 0
-        ohlc_nxt_for_render['change'] = _nxt_px - _snap_prev
-        ohlc_nxt_for_render['change_pct'] = ((_nxt_px - _snap_prev) / _snap_prev * 100) if _snap_prev else 0.0
+        # NXT 전일종가도 ka10095(현재가−전일대비)로 — 스냅샷(pred_close)과 갈려 등락이 어긋나던 것 통일.
+        _nxt_prev = _nxt_px - (ohlc_nxt_for_render.get('change', 0) or 0)
+        if _nxt_prev <= 0:
+            _nxt_prev = r.get('pred_close', 0) or 0
+        if _nxt_prev > 0:
+            ohlc_nxt_for_render['open'] = _nxt_prev
+            ohlc_nxt_for_render['prev_close'] = _nxt_prev
+            ohlc_nxt_for_render['change'] = _nxt_px - _nxt_prev
+            ohlc_nxt_for_render['change_pct'] = ((_nxt_px - _nxt_prev) / _nxt_prev * 100) if _nxt_prev else 0.0
     # 당일종가: KRX는 정규장 마감(15:30) 후, NXT는 마감(20:00) 후에만 그 시장 종가 표시.
     _now_ohlc = datetime.now(KST)
     _hm_ohlc = _now_ohlc.hour * 60 + _now_ohlc.minute