日期	有票	均价	涨幅
2025-08-15	19510-19610	19560	+20
2025-08-14	19490-19590	19540	-70
2025-08-13	19560-19660	19610	+80
2025-08-12	19480-19580	19530	0
2025-08-11	19480-19580	19530	-60
2025-08-08	19480-19580	19530	-60
2025-08-07	19540-19640	19590	+60
2025-08-06	19480-19580	19530	+100
2025-08-05	19380-19480	19430	+40
2025-08-04	19340-19440	19390	-10
2025-08-01	19350-19450	19400	-60
2025-07-31	19410-19510	19460	-80