Contract OI history
Back to COPDec 18, 2026 EXPIRATION
COP $145.00 Call
COP261218C00145000
Latest saved OI1,953Oct 23, 2026
Last change-12vs 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 | 1,953 | -12 |
| Oct 21, 2026 | 1,965 | +22 |
| Oct 16, 2026 | 1,943 | +30 |
| Oct 15, 2026 | 1,913 | -10 |
| Oct 14, 2026 | 1,923 | +138 |
| Oct 13, 2026 | 1,785 | +42 |
| Oct 09, 2026 | 1,743 | +41 |
| Oct 08, 2026 | 1,702 | +7 |
| Oct 07, 2026 | 1,695 | -2 |
| Oct 06, 2026 | 1,697 | +4 |
| Oct 05, 2026 | 1,693 | +15 |
| Oct 02, 2026 | 1,678 | No prior observation |