日期	有票	均价	涨幅
2021-08-18	20470-20530	20500	140
2021-08-17	20330-20390	20360	30
2021-08-16	20300-20360	20330	160
2021-08-13	20140-20200	20170	-10
2021-08-12	20150-20210	20180	-70
2021-08-11	20220-20280	20250	210
2021-08-10	20010-20070	20040	-40
2021-08-09	20050-20110	20080	-10
2021-08-06	20060-20120	20090	200
2021-08-05	19860-19920	19890	40
2021-08-04	19820-19880	19850	-50
2021-08-03	19870-19930	19900	-20