日期	有票	均价	涨幅
2025-05-21	20300-20340	20320	+100
2025-05-20	20200-20240	20220	-30
2025-05-19	20230-20270	20250	-30
2025-05-16	20260-20300	20280	-80
2025-05-15	20340-20380	20360	+160
2025-05-14	20180-20220	20200	+200
2025-05-13	19980-20020	20000	+180
2025-05-12	19800-19840	19820	+220
2025-05-09	19580-19620	19600	0
2025-05-08	19580-19620	19600	0
2025-05-07	19580-19620	19600	-260
2025-05-06	19840-19880	19860	-190