diff --git a/stock_monitor.py b/stock_monitor.py
index 2704582..35f1530 100644
--- a/stock_monitor.py
+++ b/stock_monitor.py
@@ -14,6 +14,7 @@ from config import *
 import FinanceDataReader as fdr
 
 hts = HTS()
+BUY_AMOUNT = 100000
 
 def send_coin_msg(text):
     coin_client = telegram.Bot(token=COIN_TELEGRAM_BOT_TOKEN)
@@ -40,7 +41,7 @@ def send_coin_telegram_message(message_list, header):
 def buy_ticker(buy_ticker_list):
     for buy_ticker in buy_ticker_list:
         ticker_code = buy_ticker['symbol']
-        _ = hts.buyCoinMarket(ticker_code, 50000)
+        _ = hts.buyCoinMarket(ticker_code, BUY_AMOUNT)
     return