From 3a7107ab76bf0bd75c8235e53651c96b26243e24 Mon Sep 17 00:00:00 2001
From: dsyoon <dosangyoon@gmail.com>
Date: Sun, 22 Oct 2023 22:49:54 +0900
Subject: [PATCH] init

---
 stock/analysis/Common.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/stock/analysis/Common.py b/stock/analysis/Common.py
index 9f4fa9e..79f36b9 100644
--- a/stock/analysis/Common.py
+++ b/stock/analysis/Common.py
@@ -574,6 +574,9 @@ class Common:
 
     def check_optimal_buy_timeing(self, stock):
 
+        if stock['slow_k'][0] is None:
+            return False
+
         max_vol_5 = max(stock['volume'][0: 4])
         max_vol_30 = max(stock['volume'][4: 24])
         if max_vol_30 < max_vol_5: