Contract OI history
Back to COPDec 18, 2026 EXPIRATION
COP $140.00 Call
COP261218C00140000
Latest saved OI1,374Oct 23, 2026
Last change-7vs 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 | 1,374 | -7 |
| Oct 21, 2026 | 1,381 | -196 |
| Oct 16, 2026 | 1,577 | +1 |
| Oct 15, 2026 | 1,576 | +35 |
| Oct 14, 2026 | 1,541 | +74 |
| Oct 13, 2026 | 1,467 | +98 |
| Oct 09, 2026 | 1,369 | +11 |
| Oct 08, 2026 | 1,358 | -5 |
| Oct 07, 2026 | 1,363 | +8 |
| Oct 06, 2026 | 1,355 | +1 |
| Oct 05, 2026 | 1,354 | +5 |
| Oct 02, 2026 | 1,349 | No prior observation |