creation_time,event_type,value1,value2
2021-04-30 12:40:35,buy,101,109
2021-05-01 12:31:32,buy,107,200
2021-05-02 12:35:35,buy,98,205
2021-05-03 12:40:35,sell,108,209
2021-05-04 12:40:35,buy,100,109
2021-05-05 12:31:32,buy,110,200
2021-05-06 12:35:35,buy,99,205
2021-05-07 12:40:35,buy,94,209
2021-05-08 12:40:35,buy,104,109
2021-05-09 12:31:32,buy,10,200
2021-05-10 12:35:35,buy,23,205
2021-05-11 12:40:35,sell,10,209