日期	有票	均价	涨幅
2022-04-28	20880-20940	20910	+80
2022-04-27	20800-20860	20830	-20
2022-04-26	20820-20880	20850	-230
2022-04-25	21050-21110	21080	-860
2022-04-22	21910-21970	21940	-20
2022-04-21	21930-21990	21960	+100
2022-04-20	21830-21890	21860	-280
2022-04-19	22110-22170	22140	+200
2022-04-18	21910-21970	21940	+70
2022-04-15	21840-21900	21870	+330
2022-04-14	21510-21570	21540	+430
2022-04-13	21080-21140	21110	+230