日期	有票	均价	涨幅
2021-02-08	15560-15600	15580	100
2021-02-05	15460-15500	15480	120
2021-02-04	15340-15380	15360	340
2021-02-03	15000-15040	15020	-170
2021-02-02	15170-15210	15190	-30
2021-02-01	15200-15240	15220	260
2021-01-29	14940-14980	14960	90
2021-01-28	14850-14890	14870	-40
2021-01-27	14890-14930	14910	-50
2021-01-26	14940-14980	14960	-80
2021-01-25	15020-15060	15040	30
2021-01-22	14990-15030	15010	-20