factor.py 文件源码

def MA(security_list, timeperiod=5):
    # ????????????
    if isinstance(security_list, str):
        security_list = [security_list]
    # ?? MA
    security_data = history(timeperiod * 2, '1d', 'close',
                            security_list, df=False, skip_paused=True)
    ma = {}
    for stock in security_list:
        ma[stock] = talib.MA(security_data[stock], timeperiod)
    return ma

# SMA