日期	有票	均价	涨幅
2021-02-25	17540-17580	17560	820
2021-02-24	16720-16760	16740	-30
2021-02-23	16750-16790	16770	50
2021-02-22	16700-16740	16720	300
2021-02-19	16400-16440	16420	210
2021-02-18	16190-16230	16210	440
2021-02-10	15750-15790	15770	20
2021-02-09	15730-15770	15750	170
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