talib_testcase.py 文件源码

def boll():
    #??tushare??????
    df=ts.get_k_data('300580',start='2017-01-12',end='2017-05-26')
    #?????
    closed=df['close'].values

    upper,middle,lower=talib.BBANDS(closed,matype=talib.MA_Type.SMA)
    print upper,middle,lower
    plt.plot(upper)
    plt.plot(middle)
    plt.plot(lower)
    plt.grid()
    plt.show()
    diff1=upper-middle
    diff2=middle-lower
    print diff1
    print diff2