candle_graph_demo.py

import matplotlib.pyplot as plt
from matplotlib.dates import DateFormatter, WeekdayLocator, DayLocator, MONDAY
from matplotlib.finance import quotes_historical_yahoo_ohlc, candlestick_ohlc

def show_candlestick(ticker, startD, endD):
	mondays = WeekdayLocator(MONDAY)        # major ticks on the mondays
	alldays = DayLocator()              # minor ticks on the days
	weekFormatter = DateFormatter('%b %d')  # e.g., Jan 12
	dayFormatter = DateFormatter('%d')      # e.g., 12

	quotes = quotes_historical_yahoo_ohlc(ticker, startD, endD)
	if len(quotes) == 0:
		raise SystemExit

	fig, ax = plt.subplots()
	fig.subplots_adjust(bottom=0.2)
	#ax.xaxis.set_major_locator(mondays)
	#ax.xaxis.set_minor_locator(alldays)
	#ax.xaxis.set_major_formatter(weekFormatter)
	#ax.xaxis.set_minor_formatter(dayFormatter)

	#plot_day_summary(ax, quotes, ticksize=3)
	candlestick_ohlc(ax, quotes, width=0.6)

	ax.xaxis_date()
	ax.autoscale_view()
	plt.setp(plt.gca().get_xticklabels(), rotation=45, horizontalalignment='right')

	plt.show()