日期	有票	均价	涨幅
2021-05-13	18680-18780	18730	-160
2021-05-12	18840-18940	18890	120
2021-05-11	18720-18820	18770	-120
2021-05-10	18840-18940	18890	310
2021-05-07	18530-18630	18580	550
2021-05-06	17980-18080	18030	300
2021-04-30	17680-17780	17730	80
2021-04-29	17600-17700	17650	320
2021-04-28	17280-17380	17330	-100
2021-04-27	17380-17480	17430	150
2021-04-26	17230-17330	17280	170
2021-04-23	17060-17160	17110	50