日期	有票	均价	涨幅
2025-07-28	19460-19560	19510	-120
2025-07-25	19580-19680	19630	+40
2025-07-24	19540-19640	19590	-110
2025-07-23	19650-19750	19700	-90
2025-07-22	19740-19840	19790	+60
2025-07-21	19680-19780	19730	+180
2025-07-18	19500-19600	19550	+100
2025-07-17	19400-19500	19450	+40
2025-07-16	19360-19460	19410	+40
2025-07-15	19320-19420	19370	+40
2025-07-14	19280-19380	19330	-310
2025-07-11	19590-19690	19640	-20