日期	有票	均价	涨幅
2021-03-01	15780-15880	15830	-210
2021-02-26	15990-16090	16040	-250
2021-02-25	16240-16340	16290	740
2021-02-24	15500-15600	15550	-40
2021-02-23	15540-15640	15590	60
2021-02-22	15480-15580	15530	300
2021-02-19	15180-15280	15230	140
2021-02-18	15040-15140	15090	410
2021-02-10	14630-14730	14680	0
2021-02-09	14630-14730	14680	140
2021-02-08	14490-14590	14540	160
2021-02-05	14330-14430	14380	210