日期	有票	均价	涨幅
2021-04-14	18030-18130	18080	260
2021-04-13	17770-17870	17820	120
2021-04-12	17650-17750	17700	-80
2021-04-09	17730-17830	17780	20
2021-04-08	17710-17810	17760	60
2021-04-07	17650-17750	17700	-100
2021-04-06	17750-17850	17800	40
2021-04-02	17710-17810	17760	180
2021-04-01	17530-17630	17580	130
2021-03-31	17400-17500	17450	-170
2021-03-30	17570-17670	17620	-50
2021-03-29	17620-17720	17670	50