code: 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(f 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()
docs: 涨停价