日期	有票	均价	涨幅
2025-04-18	19800-19840	19820	+30
2025-04-17	19770-19810	19790	+100
2025-04-16	19670-19710	19690	+20
2025-04-15	19650-19690	19670	-90
2025-04-14	19740-19780	19760	+190
2025-04-11	19550-19590	19570	-310
2025-04-10	19860-19900	19880	+350
2025-04-09	19510-19550	19530	-340
2025-04-08	19850-19890	19870	-70
2025-04-07	19920-19960	19940	-610
2025-04-03	20530-20570	20550	0
2025-04-02	20530-20570	20550	-10