Contract OI history
Back to COPNov 20, 2026 EXPIRATION
COP $155.00 Call
COP261120C00155000
Latest saved OI1,985Oct 23, 2026
Last change+385vs 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 | 1,985 | +385 |
| Oct 21, 2026 | 1,600 | +165 |
| Oct 16, 2026 | 1,435 | +30 |
| Oct 15, 2026 | 1,405 | +34 |
| Oct 14, 2026 | 1,371 | +19 |
| Oct 13, 2026 | 1,352 | +15 |
| Oct 09, 2026 | 1,337 | -3 |
| Oct 08, 2026 | 1,340 | +27 |
| Oct 07, 2026 | 1,313 | +1 |
| Oct 06, 2026 | 1,312 | 0 |
| Oct 05, 2026 | 1,312 | 0 |
| Oct 02, 2026 | 1,312 | No prior observation |