能量潮

def QA_indicator_OBV(DataFrame):
    """能量潮"""
    VOL = DataFrame.volume
    CLOSE = DataFrame.close
    return pd.DataFrame({
        'OBV': np.cumsum(IF(CLOSE > REF(CLOSE, 1), VOL, IF(CLOSE < REF(CLOSE, 1), -VOL, 0)))/10000
    })