日期	有票	均价	涨幅
2021-02-08	15850-15950	15900	160
2021-02-05	15690-15790	15740	210
2021-02-04	15480-15580	15530	260
2021-02-03	15220-15320	15270	-130
2021-02-02	15350-15450	15400	-40
2021-02-01	15390-15490	15440	250
2021-01-29	15140-15240	15190	130
2021-01-28	15010-15110	15060	-40
2021-01-27	15050-15150	15100	-50
2021-01-26	15100-15200	15150	-90
2021-01-25	15190-15290	15240	0
2021-01-22	15190-15290	15240	-40