Contract OI history
Back to COPOct 30, 2026 EXPIRATION
COP $138.00 Call
COP261030C00138000
Latest saved OI335Oct 23, 2026
Last change+1vs 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 | 335 | +1 |
| Oct 21, 2026 | 334 | -8 |
| Oct 16, 2026 | 342 | 0 |
| Oct 15, 2026 | 342 | -2 |
| Oct 14, 2026 | 344 | +2 |
| Oct 13, 2026 | 342 | +9 |
| Oct 09, 2026 | 333 | -1 |
| Oct 08, 2026 | 334 | 0 |
| Oct 07, 2026 | 334 | +1 |
| Oct 06, 2026 | 333 | 0 |
| Oct 05, 2026 | 333 | +5 |
| Oct 02, 2026 | 328 | No prior observation |