日期	有票	均价	涨幅
2021-01-20	14720-14780	14750	-100
2021-01-19	14820-14880	14850	-310
2021-01-18	15130-15190	15160	210
2021-01-15	14920-14980	14950	230
2021-01-14	14690-14750	14720	-100
2021-01-13	14790-14850	14820	-220
2021-01-12	15010-15070	15040	-380
2021-01-11	15390-15450	15420	-350
2021-01-08	15740-15800	15770	160
2021-01-07	15580-15640	15610	-150
2021-01-06	15730-15790	15760	0
2021-01-05	15730-15790	15760	100