import numpy as np from bokeh.layouts import gridplot from bokeh.plotting import figure, output_file, show from bokeh.sampledata.stocks import AAPL, GOOG, IBM, MSFT def datetime(x): return np.array(x, dtype=np.datetime64) p1 = figure(x_axis_type="datetime", title="Stock Closing Prices") p1.grid.grid_line_alpha=0.3 p1.xaxis.axis_label = 'Date' p1.yaxis.axis_label = 'Price' p1.line(datetime(AAPL['date']), AAPL['adj_close'], color='#A6CEE3', legend_label='AAPL') p1.line(datetime(GOOG['date']), GOOG['adj_close'], color='#B2DF8A', legend_label='GOOG') p1.line(datetime(IBM['date']), IBM['adj_close'], color='#33A02C', legend_label='IBM') p1.line(datetime(MSFT['date']), MSFT['adj_close'], color='#FB9A99', legend_label='MSFT') p1.legend.location = "top_left" aapl = np.array(AAPL['adj_close']) aapl_dates = np.array(AAPL['date'], dtype=np.datetime64) window_size = 30 window = np.ones(window_size)/float(window_size) aapl_avg = np.convolve(aapl, window, 'same') p2 = figure(x_axis_type="datetime", title="AAPL One-Month Average") p2.grid.grid_line_alpha = 0 p2.xaxis.axis_label = 'Date' p2.yaxis.axis_label = 'Price' p2.ygrid.band_fill_color = "olive" p2.ygrid.band_fill_alpha = 0.1 p2.circle(aapl_dates, aapl, size=4, legend_label='close', color='darkgrey', alpha=0.2) p2.line(aapl_dates, aapl_avg, legend_label='avg', color='navy') p2.legend.location = "top_left" output_file("stocks.html", title="stocks.py example") show(gridplot([[p1,p2]], plot_width=400, plot_height=400)) # open a browser