diff --git a/HTS_stocks.py b/HTS_stocks.py
index 48bf900..581258d 100644
--- a/HTS_stocks.py
+++ b/HTS_stocks.py
@@ -38,7 +38,6 @@ class HTS_Stocks (HTS):
         self.orderChecker = OrderChecker(self.RESOURCE_PATH, "STOCK")
 
         self.analyzed_day = 120
-        self.MAX_BUY_PRICE = 300000
 
         return
 
@@ -108,13 +107,13 @@ class HTS_Stocks (HTS):
         self.cursor_stock.execute('SELECT distinct code, name FROM stock order by code')
         all_stocks = self.cursor_stock.fetchall()
 
-        valid_company = set()
-        self.cursor_stock.execute('select CODE, NAME, max(ymd) as ymd from fnguide where type != "E" group by 1 order by total_assets desc')
+        valid_company = dict()
+        self.cursor_stock.execute('select CODE, NAME, max(ymd) as ymd from fnguide where type != "E" group by 1 order by net_profit desc')
         items = self.cursor_stock.fetchall()
-        for item in items:
-            valid_company.add(item[0])
+        for i, item in enumerate(items):
+            valid_company[item[0]] = i
 
-        return all_stocks, valid_company
+        return all_stocks, list(valid_company)
 
     def getSlowK(self, stock_code):
         slow_k_week, slow_k_month = -1, -1
@@ -129,6 +128,21 @@ class HTS_Stocks (HTS):
 
         return slow_k_week, slow_k_month
 
+    def getMaxPrice(self, code, valid_company):
+        max_price = 100000
+        if code in valid_company:
+            if 0 < valid_company[code] <= 250:
+                max_price = 300000
+            elif 250 < valid_company[code] <= 500:
+                max_price = 250000
+            elif 500 < valid_company[code] <= 1000:
+                max_price = 200000
+            elif 1000 < valid_company[code] <= 1500:
+                max_price = 150000
+            else:
+                max_price = 100000
+        return max_price
+
     def buyRealTime(self, today, n = 200):
 
         a,b = self.getSlowK("001430")
@@ -192,9 +206,10 @@ class HTS_Stocks (HTS):
 
                                 bs_buy_price = bsLine['buy'][last_index]
                                 bs_buy_weight = bsLine['buy_weight'][last_index]
-                                buy_count = int(math.ceil(self.MAX_BUY_PRICE / bs_buy_price))
-                                if self.MAX_BUY_PRICE <= bs_buy_price < 2 * self.MAX_BUY_PRICE:
-                                    buy_count = int(2 * self.MAX_BUY_PRICE / bs_buy_price)
+                                MAX_BUY_PRIFE = self.getMaxPrice(stock_code, valid_company)
+                                buy_count = int(math.ceil(MAX_BUY_PRIFE / bs_buy_price))
+                                if MAX_BUY_PRIFE <= bs_buy_price < 2 * MAX_BUY_PRIFE:
+                                    buy_count = int(2 * MAX_BUY_PRIFE / bs_buy_price)
 
                                 if buy_count > 0:
                                     # 매수를 주문한다.