From a80fe587503d717058ed834bd06caa112c17e69c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EC=9C=A4=EB=8F=84=EC=83=81/=ED=83=9D=EB=B0=B0=ED=8C=8C?=
 =?UTF-8?q?=ED=8A=B8?= <dsyoon@gsretail.com>
Date: Fri, 1 Nov 2024 09:02:49 +0900
Subject: [PATCH] init

---
 stock/analysis/Common.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stock/analysis/Common.py b/stock/analysis/Common.py
index 7523898..9377d7b 100644
--- a/stock/analysis/Common.py
+++ b/stock/analysis/Common.py
@@ -634,7 +634,7 @@ class Common:
                         check = True
                         break
                 # 볼린저 밴드 %B와 MFI로 매수 시점
-                if len(stock['pb']) > 2 and len(stock['mfi']) > 2:
+                if len(stock['pb']) > 2 and stock['pb'][i+1] is not None and len(stock['mfi']) > 2 and stock['mfi'][i] is not None:
                     if 80 < stock['pb'][i+1] and 80 < stock['mfi'][i]:
                         check = True
                         break