diff --git a/stock/analysis/Common.py b/stock/analysis/Common.py
index 8daa440..e352f31 100644
--- a/stock/analysis/Common.py
+++ b/stock/analysis/Common.py
@@ -730,6 +730,9 @@ class Common:
 
         check_buy = False
 
+        if stock_daily['ichimokucloud_leadingSpan1'] is None or stock_daily['ichimokucloud_leadingSpan2'] is None:
+            return check_buy
+
         # 체크 1
         min_open_close_1 = min(stock_daily['open'][1], stock_daily['close'][1])
         min_open_close = min(stock_daily['open'][0], stock_daily['close'][0])