def alpha_152(code, end_date=None, fq="pre"):
    """
    公式:
       SMA(MEAN(DELAY(SMA(DELAY(CLOSE/DELAY(CLOSE,9),1),9,1),1),12)-MEAN(DELAY(SMA(DELAY(CLOSE/DELAY(CLOSE,9),1),9,1),1),26),9,1)
    Inputs:
        code: 股票池
        end_date: 查询日期
    Outputs:
        因子的值
    """
    end_date = to_date_str(end_date)
    func_name = sys._getframe().f_code.co_name
    return JQDataClient.instance().get_alpha_191(**locals())
公式:
SMA(MEAN(DELAY(SMA(DELAY(CLOSE/DELAY(CLOSE,9),1),9,1),1),12)-MEAN(DELAY(SMA(DELAY(CLOSE/DELAY(CLOSE,9),1),9,1),1),26),9,1)
Inputs:
code: 股票池
end_date: 查询日期
Outputs:
因子的值
jqdatasdk/alpha191.py