Panda DataReader

eg1.py
import matplotlib.pyplot as plt
plt.plot([1,2,3,4],[1,5,10,20], ‘ro’)
plt.axis([0, 8, 0, 25])
plt.show()

eg2.py

from pandas_datareader import data
import pandas_datareader.data
import numpy as np
import pandas as pd
stock = [‘AAPL’,’GOOG’,’INFY’,’MSFT’]
panel_data = data.DataReader(stock,data_source=”google”,start=’01/01/2010′)
returns = panel_data.pct_change()
mean_return = returns.mean()
return_stdev = returns.std()
annualised_return = round(mean_return * 252,2)
annualised_stdev = round(return_stdev * np.sqrt(252),2)
print(mean_return)
print(return_stdev)