日期	有票	均价	涨幅
2020-12-28	15180-15280	15230	-130
2020-12-25	15310-15410	15360	40
2020-12-24	15270-15370	15320	260
2020-12-23	15010-15110	15060	-210
2020-12-22	15220-15320	15270	-200
2020-12-21	15420-15520	15470	-400
2020-12-18	15820-15920	15870	210
2020-12-17	15610-15710	15660	80
2020-12-16	15530-15630	15580	120
2020-12-15	15410-15510	15460	-90
2020-12-14	15500-15600	15550	0
2020-12-11	15500-15600	15550	30