def alpha_140(code, end_date=None, fq="pre"):
    """
    公式:
       MIN(RANK(DECAYLINEAR(((RANK(OPEN)+RANK(LOW))-(RANK(HIGH)+RANK(CLOSE))),8)),TSRANK(DECAYLINEAR(CORR(TSRANK(CLOSE,8),TSRANK(MEAN(VOLUME,60), 20), 8), 7), 3))
    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:
MIN(RANK(DECAYLINEAR(((RANK(OPEN)+RANK(LOW))-(RANK(HIGH)+RANK(CLOSE))),8)),TSRANK(DECAYLINEAR(CORR(TSRANK(CLOSE,8),TSRANK(MEAN(VOLUME,60), 20), 8), 7), 3))
Inputs:
code: 股票池
end_date: 查询日期
Outputs:
因子的值
jqdatasdk/alpha191.py