Contract OI history
Back to CATJan 21, 2028 EXPIRATION
CAT $620.00 Put
CAT280121P00620000
Latest saved OI210Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 210 | +12 |
| Oct 21, 2026 | 198 | +16 |
| Oct 16, 2026 | 182 | 0 |
| Oct 15, 2026 | 182 | 0 |
| Oct 14, 2026 | 182 | 0 |
| Oct 13, 2026 | 182 | 0 |
| Oct 09, 2026 | 182 | 0 |
| Oct 08, 2026 | 182 | 0 |
| Oct 07, 2026 | 182 | 0 |
| Oct 06, 2026 | 182 | 0 |
| Oct 05, 2026 | 182 | 0 |
| Oct 02, 2026 | 182 | No prior observation |