def alpha_069(enddate, index='all'):
    """
    未实现
    公式:
        ((rank(ts_max(delta(IndNeutralize(vwap, IndClass.industry), 2.72412), 4.79344))^Ts_Rank(correlation(((close\* 0.490655) + (vwap\* (1 - 0.490655))), adv20, 4.92416), 9.0615))\* -1)
    """
    raise Exception("该因子未实现")
未实现
公式:
((rank(ts_max(delta(IndNeutralize(vwap, IndClass.industry), 2.72412), 4.79344))^Ts_Rank(correlation(((close\* 0.490655) + (vwap\* (1 - 0.490655))), adv20, 4.92416), 9.0615))\* -1)
jqdatasdk/alpha101.py