日期	有票	均价	涨幅
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
2021-01-04	15630-15690	15660	-140
2020-12-31	15770-15830	15800	-90
2020-12-30	15860-15920	15890	-160
2020-12-29	16020-16080	16050	-370