def alpha_090(enddate, index='all'):
    """
    未实现
    公式:
        ((rank((close - ts_max(close, 4.66719)))^Ts_Rank(correlation(IndNeutralize(adv40, IndClass.subindustry), low, 5.38375), 3.21856))\* -1)
    """
    raise Exception("该因子未实现")
未实现
公式:
((rank((close - ts_max(close, 4.66719)))^Ts_Rank(correlation(IndNeutralize(adv40, IndClass.subindustry), low, 5.38375), 3.21856))\* -1)
jqdatasdk/alpha101.py