diff --git a/pandas_eval.py b/pandas_eval.py
index 5ea4964..e4f3827 100644
--- a/pandas_eval.py
+++ b/pandas_eval.py
@@ -20,10 +20,11 @@ import os
 # https://ntguardian.wordpress.com/2016/09/19/introduction-stock-market-data-python-1
 
 key = '0UO7Z2MVZ2YSQSVE'
-thresh_macd = 2.0
+thresh_macd = 1.0
 show_range_days = 20
-show_title = ['QCOM', 'CSCO']
+show_title = ['SIE.DE']
 k_euro = 1 / 1.11
+N_poly = 7
 
 titles = [
 	'AAPL',
@@ -188,6 +189,7 @@ class Symbol(object):
 		today = dt.date.today()
 		try:
 			hdf = pd.HDFStore(filename, 'r')
+			hdf.close()
 		except:
 			fetch = True
 
@@ -207,6 +209,7 @@ class Symbol(object):
 			hdf = pd.HDFStore(filename)
 			hdf[self.name] = data
 
+
 		self.data_full = hdf[self.name]*k_euro
 		hdf.close()
 
@@ -236,7 +239,7 @@ class Symbol(object):
 		self._macd_data = self.data_full['macd'][len(self.data_full) - show_range_days:]
 		x_r = list(range(0, len(self._macd_data)))
 		y_r = self._macd_data.to_numpy()
-		poly = np.polyfit(x_r, y_r, 5)
+		poly = np.polyfit(x_r, y_r, N_poly)
 		poly_d = np.polyder(poly)
 
 		yf = np.polyval(poly, x_r)