日期	有票	均价	涨幅
2025-04-18	19780-19840	19810	+10
2025-04-17	19770-19830	19800	+130
2025-04-16	19640-19700	19670	+10
2025-04-15	19630-19690	19660	-80
2025-04-14	19710-19770	19740	+180
2025-04-11	19530-19590	19560	-290
2025-04-10	19820-19880	19850	+400
2025-04-09	19420-19480	19450	-330
2025-04-08	19750-19810	19780	-70
2025-04-07	19820-19880	19850	-650
2025-04-03	20470-20530	20500	-20
2025-04-02	20490-20550	20520	-20