diff --git a/Bithumb_minute.py b/Bithumb_minute.py
index 81c7ba5..b47d472 100644
--- a/Bithumb_minute.py
+++ b/Bithumb_minute.py
@@ -599,10 +599,10 @@ class Bithumb_minute(HTS):
         elif 700 <= price < 800: MAX_BUY_PRICE = 20000
         elif 600 <= price < 700: MAX_BUY_PRICE = 30000
         elif 500 <= price < 600: MAX_BUY_PRICE = 50000
-        elif 400 <= price < 500: MAX_BUY_PRICE = 70000
-        elif 300 <= price < 400: MAX_BUY_PRICE = 100000
-        elif 200 <= price < 300: MAX_BUY_PRICE = 150000
-        elif 100 <= price < 200: MAX_BUY_PRICE = 200000
+        elif 400 <= price < 500: MAX_BUY_PRICE = 100000
+        elif 300 <= price < 400: MAX_BUY_PRICE = 150000
+        elif 200 <= price < 300: MAX_BUY_PRICE = 200000
+        elif 100 <= price < 200: MAX_BUY_PRICE = 300000
         else: MAX_BUY_PRICE = 100000
 
         count = int(MAX_BUY_PRICE / price)