diff --git a/app_streamlit.py b/app_streamlit.py
index 5b39c6a..f15b7c1 100644
--- a/app_streamlit.py
+++ b/app_streamlit.py
@@ -53,6 +53,7 @@ BASE = "https://fapi.binance.com"
 KST  = timedelta(hours=9)
 
 _last_alert = {"strong_long": 0, "strong_short": 0, "long": 0, "short": 0, "vol_long": 0, "vol_short": 0, "short_caution": 0}
+_last_fired_candle = {"strong_long": None, "strong_short": None, "long": None, "short": None, "vol_long": None, "vol_short": None, "short_caution": None}
 
 # ──────────────────────────────────────────────
 # 텔레그램
@@ -76,9 +77,19 @@ def check_and_alert(df, symbol, interval):
         ("vol_short_signal",    "vol_short",    f"🔽 볼륨급등 숏 신호\n{symbol} {interval}"),
         ("short_caution_signal","short_caution",f"⚠️ 숏 진입 주의 신호\n{symbol} {interval}"),
     ]:
-        if sig in recent.columns and recent[sig].fillna(False).any() and now - _last_alert[key] > ALERT_COOLDOWN:
-            send_telegram(msg)
-            _last_alert[key] = now
+        if sig not in recent.columns:
+            continue
+        triggered = recent[recent[sig].fillna(False)]
+        if triggered.empty:
+            continue
+        candle_time = triggered.iloc[-1]["open_time"]
+        if candle_time == _last_fired_candle.get(key):
+            continue
+        if now - _last_alert[key] <= ALERT_COOLDOWN:
+            continue
+        send_telegram(msg)
+        _last_alert[key] = now
+        _last_fired_candle[key] = candle_time
 
 # ──────────────────────────────────────────────
 # 데이터 수집