日期	有票	均价	涨幅
2021-08-18	19170-19270	19220	60
2021-08-17	19110-19210	19160	130
2021-08-16	18980-19080	19030	140
2021-08-13	18840-18940	18890	-20
2021-08-12	18870-18970	18920	-50
2021-08-11	18920-19020	18970	180
2021-08-10	18740-18840	18790	-50
2021-08-09	18790-18890	18440	0
2021-08-06	18790-18890	18840	200
2021-08-05	18590-18690	18640	40
2021-08-04	18550-18650	18600	-50
2021-08-03	18600-18700	18650	-60