Contract OI history
Back to CATOct 23, 2026 EXPIRATION
CAT $670.00 Put
CAT261023P00670000
Latest saved OI359Oct 23, 2026
Last change+65vs 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 | 359 | +65 |
| Oct 21, 2026 | 294 | +223 |
| Oct 16, 2026 | 71 | +27 |
| Oct 15, 2026 | 44 | +1 |
| Oct 14, 2026 | 43 | 0 |
| Oct 13, 2026 | 43 | +18 |
| Oct 09, 2026 | 25 | +5 |
| Oct 08, 2026 | 20 | 0 |
| Oct 07, 2026 | 20 | 0 |
| Oct 06, 2026 | 20 | -1 |
| Oct 05, 2026 | 21 | 0 |
| Oct 02, 2026 | 21 | No prior observation |