日期	有票	均价	涨幅
2021-01-08	15680-15720	15700	140
2021-01-07	15540-15580	15560	-120
2021-01-06	15660-15700	15680	-10
2021-01-05	15670-15710	15690	100
2021-01-04	15570-15610	15590	-120
2020-12-31	15690-15730	15710	-60
2020-12-30	15750-15790	15770	-90
2020-12-29	15840-15880	15860	-330
2020-12-28	16170-16210	16190	-120
2020-12-25	16290-16330	16310	50
2020-12-24	16240-16280	16260	200
2020-12-23	16040-16080	16060	-290