from database.ohlc import ohlc from datetime import datetime, timedelta from line_chart import LineChart from plot import plot end_date = datetime.today().date() start_date = (end_date - timedelta(days = 90)) data = ohlc('SPX.XO', '1d', start_date = start_date, end_date = end_date) line_chart = LineChart( x = data['Timestamp'], values = [data['Close']] ) plot(line_chart)