Contract OI history
Back to CIFROct 30, 2026 EXPIRATION
CIFR $17.00 Put
CIFR261030P00017000
Latest saved OI487Oct 23, 2026
Last change-20vs previous saved observation
Saved market days7Oct 09, 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 | 487 | -20 |
| Oct 21, 2026 | 507 | -170 |
| Oct 16, 2026 | 677 | -80 |
| Oct 15, 2026 | 757 | -3 |
| Oct 14, 2026 | 760 | 0 |
| Oct 13, 2026 | 760 | +91 |
| Oct 09, 2026 | 669 | No prior observation |