日期	有票	均价	涨幅
2025-05-20	18930-19030	18980	-10
2025-05-19	18940-19040	18990	-20
2025-05-16	18960-19060	19010	-100
2025-05-15	19060-19160	19110	+110
2025-05-14	18950-19050	19000	+200
2025-05-13	18750-18850	18800	+170
2025-05-12	18580-18680	18630	+200
2025-05-08	18400-18500	18450	+30
2025-05-07	18370-18470	18420	-240
2025-05-06	18610-18710	18660	-190
2025-04-30	18800-18900	18850	+30
2025-04-29	18770-18870	18820	+40