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| STOCK | START_DATE | END_DATE |
|---|---|---|
| 10 | 2018-12-01 | null |
| 20 | 2018-12-03 | 2018-12-07 |
| 10 | 2018-12-09 | null |
| 30 | 2018-12-10 | 2018-13-10 |
| STOCK | START_DATE | END_DATE |
|---|---|---|
| 10 | 2018-12-01 | null |
| 20 | 2018-12-03 | 2018-12-07 |
| 10 | 2018-12-09 | null |
| 30 | 2018-12-10 | 2018-13-10 |