diff --git a/HTS_stocks.py b/HTS_stocks.py
index 71105f3..30a00a6 100644
--- a/HTS_stocks.py
+++ b/HTS_stocks.py
@@ -117,20 +117,22 @@ class HTS_Stocks (HTS):
         return all_stocks, valid_company
 
     def getSlowK(self, stock_code):
-        slow_k_week, slow_k_month = -1, -1
+        slow_k_week, p_slow_k_week, slow_k_month, p_slow_k_month = -1, -1, -1, -1
         self.cursor_stock.execute('select stochastic_slow_k, max(ymd) from stock_analysis_weekly where code=? group by 1 order by ymd desc', (stock_code, ))
         items = self.cursor_stock.fetchone()
         if items is not None and len(items)>0:
-            slow_k_week = items[0]
+            slow_k_week, p_slow_k_week = items[0], items[1]
         self.cursor_stock.execute('select stochastic_slow_k, max(ymd) from stock_analysis_monthly where code=? group by 1 order by ymd desc', (stock_code, ))
         items = self.cursor_stock.fetchone()
         if items is not None and len(items)>0:
-            slow_k_month = items[0]
+            slow_k_month, p_slow_k_month = items[0], items[1]
 
-        if slow_k_week is None: slow_k_week = -1
-        if slow_k_month is None: slow_k_month = -1
+        if slow_k_week is None or p_slow_k_week is None:
+            slow_k_week, p_slow_k_week = -1, -1
+        if slow_k_month is None or p_slow_k_month is None:
+            slow_k_month, p_slow_k_month = -1, -1
 
-        return slow_k_week, slow_k_month
+        return slow_k_week, p_slow_k_week, slow_k_month, p_slow_k_month
 
     def getMaxPrice(self, code, valid_company):
         max_price = 100000
@@ -177,8 +179,8 @@ class HTS_Stocks (HTS):
 
                     print("%5d: %8s, %-50s" % (idx, stock_code, stock_name))
 
-                    slow_k_week, slow_k_month = self.getSlowK(stock_code)
-                    if slow_k_week < 0 or 50 < slow_k_week or  slow_k_month < 0 or 50 < slow_k_month:
+                    slow_k_week, p_slow_k_week, slow_k_month, p_slow_k_month = self.getSlowK(stock_code)
+                    if (slow_k_week < 0 or 50 < slow_k_week or  slow_k_month < 0 or 50 < slow_k_month) or (slow_k_week < p_slow_k_week or slow_k_month < p_slow_k_month):
                         continue
 
                     stock = self.stockStatus.fetchLastData(self.cursor_stock, stock_code, n)