def high_limit(self):
        '涨停价'
        return self.groupby(level=1).close.apply(lambda x: round((x.shift(1) + 0.0002)*1.1, 2)).sort_index()
def high_limit ( self ) : return self . groupby ( level = 1 ) . close . apply ( lambda x : round ( ( x . shift ( 1 ) + 0.0002 ) * 1.1 , 2 ) ) . sort_index ( )
涨停价