日期	有票	均价	涨幅
2020-12-15	15410-15510	15460	-90
2020-12-14	15500-15600	15550	0
2020-12-11	15500-15600	15550	30
2020-12-10	15470-15570	15520	240
2020-12-09	15230-15330	15280	-100
2020-12-08	15330-15430	15380	-20
2020-12-07	15350-15450	15400	-160
2020-12-04	15510-15610	15560	-240
2020-12-03	15750-15850	15800	-250
2020-12-02	16000-16100	16050	80
2020-12-01	15920-16020	15970	200
2020-11-30	15720-15820	15770	370