佳庆指标 CHO

def QA_indicator_CHO(DataFrame, N1=10, N2=20, M=6):
    """
    佳庆指标 CHO
    """
    HIGH = DataFrame.high
    LOW = DataFrame.low
    CLOSE = DataFrame.close
    VOL = DataFrame.volume
    MID = SUM(VOL*(2*CLOSE-HIGH-LOW)/(HIGH+LOW), 0)
    CHO = MA(MID, N1)-MA(MID, N2)
    MACHO = MA(CHO, M)
    return pd.DataFrame({
        'CHO': CHO, 'MACHO': MACHO
    })