diff --git a/refresh.py b/refresh.py
new file mode 100644
index 00000000..9c067816
--- /dev/null
+++ b/refresh.py
@@ -0,0 +1,26 @@
+import os, csv, sys
+import talib
+import yfinance as yf
+import pandas
+from flask import Flask, escape, request, render_template
+from patterns import candlestick_patterns
+import datetime
+
+if __name__ == '__main__':
+	if(len(sys.argv)<2):
+		sys.exit('Usage: '+__file__+" [all|symbol]")
+	symbol = sys.argv[1]
+
+	if(symbol and symbol != 'all'):
+		data = yf.download(symbol, start="2020-01-01", end=datetime.date.today())
+		data.to_csv('datasets/daily/{}.csv'.format(symbol))
+
+	if(symbol == 'all'):
+		with open('datasets/symbols.csv') as f:
+		    for line in f:
+		        if "," not in line:
+		            continue
+		        symbol = line.split(",")[0]
+		        data = yf.download(symbol, start="2020-01-01", end=datetime.date.today())
+		        data.to_csv('datasets/daily/{}.csv'.format(symbol))	
+