Contract OI history
Back to COFDec 18, 2026 EXPIRATION
COF $195.00 Call
COF261218C00195000
Latest saved OI609Oct 23, 2026
Last change+34vs 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 | 609 | +34 |
| Oct 21, 2026 | 575 | +39 |
| Oct 16, 2026 | 536 | 0 |
| Oct 15, 2026 | 536 | 0 |
| Oct 14, 2026 | 536 | 0 |
| Oct 13, 2026 | 536 | 0 |
| Oct 09, 2026 | 536 | -10 |
| Oct 08, 2026 | 546 | 0 |
| Oct 07, 2026 | 546 | +4 |
| Oct 06, 2026 | 542 | +5 |
| Oct 05, 2026 | 537 | +2 |
| Oct 02, 2026 | 535 | No prior observation |