Contract OI history
Back to FJan 21, 2028 EXPIRATION
F $8.00 Put
F280121P00008000
Latest saved OI10,142Oct 23, 2026
Last change+753vs 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 | 10,142 | +753 |
| Oct 21, 2026 | 9,389 | -2 |
| Oct 16, 2026 | 9,391 | 0 |
| Oct 15, 2026 | 9,391 | 0 |
| Oct 14, 2026 | 9,391 | 0 |
| Oct 13, 2026 | 9,391 | +827 |
| Oct 09, 2026 | 8,564 | +1,260 |
| Oct 08, 2026 | 7,304 | 0 |
| Oct 07, 2026 | 7,304 | -1 |
| Oct 06, 2026 | 7,305 | +1 |
| Oct 05, 2026 | 7,304 | 0 |
| Oct 02, 2026 | 7,304 | No prior observation |