Contract OI history
Back to COFOct 23, 2026 EXPIRATION
COF $220.00 Call
COF261023C00220000
Latest saved OI667Oct 23, 2026
Last change-334vs 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 | 667 | -334 |
| Oct 21, 2026 | 1,001 | +689 |
| Oct 16, 2026 | 312 | +103 |
| Oct 15, 2026 | 209 | -24 |
| Oct 14, 2026 | 233 | 0 |
| Oct 13, 2026 | 233 | +15 |
| Oct 09, 2026 | 218 | +10 |
| Oct 08, 2026 | 208 | 0 |
| Oct 07, 2026 | 208 | 0 |
| Oct 06, 2026 | 208 | +1 |
| Oct 05, 2026 | 207 | 0 |
| Oct 02, 2026 | 207 | No prior observation |