diff --git a/finance.py b/finance.py
index 357dec4..f31cb04 100755
--- a/finance.py
+++ b/finance.py
@@ -214,6 +214,11 @@ def change_time_period(selectedData):
             to_time = selected_stock_in_table_df.index.max()
         from_time = round_to_nearest_weekday(from_time)
         to_time = round_to_nearest_weekday(to_time)
+        full_table_in_time_period = fullTableDf.loc[from_time:to_time]
+        mean = full_table_in_time_period.mean(axis=0)
+        mean = mean.xs('Close', level=0)
+        std = full_table_in_time_period.std(axis=0)
+        std = std.xs('Close', level=0)
         time_period = selected_stock_in_table_df.loc[from_time:to_time]
         mean = time_period.mean(axis=0)
         std = time_period.std(axis=0)