Contract OI history
Back to COPNov 20, 2026 EXPIRATION
COP $135.00 Call
COP261120C00135000
Latest saved OI3,814Oct 23, 2026
Last change-8vs 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 | 3,814 | -8 |
| Oct 21, 2026 | 3,822 | -35 |
| Oct 16, 2026 | 3,857 | -35 |
| Oct 15, 2026 | 3,892 | -21 |
| Oct 14, 2026 | 3,913 | -29 |
| Oct 13, 2026 | 3,942 | -19 |
| Oct 09, 2026 | 3,961 | +21 |
| Oct 08, 2026 | 3,940 | -25 |
| Oct 07, 2026 | 3,965 | +37 |
| Oct 06, 2026 | 3,928 | -4 |
| Oct 05, 2026 | 3,932 | +70 |
| Oct 02, 2026 | 3,862 | No prior observation |