symbol,buy_date
SH600522,2022-06-15
SH600522,2022-07-20
SH600522,2022-08-10
SZ002340,2022-06-20
SZ002340,2022-09-05
SZ000733,2022-07-01
SZ000733,2022-08-15
SZ000733,2022-09-10
SZ000733,2022-10-05
SZ000733,2022-11-15
SZ000733,2022-12-10
SH601615,2022-08-01
SH601615,2022-09-20
SH600157,2022-09-01
SH600157,2022-10-15
SH688005,2022-07-10
SH600903,2022-08-25
SH600956,2022-09-12
SH601187,2022-10-20
SH603983,2022-11-05