Contract OI history
Back to CIFROct 30, 2026 EXPIRATION
CIFR $9.00 Put
CIFR261030P00009000
Latest saved OI1,500Oct 23, 2026
Last change-5vs 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 | 1,500 | -5 |
| Oct 21, 2026 | 1,505 | +809 |
| Oct 16, 2026 | 696 | +129 |
| Oct 15, 2026 | 567 | +359 |
| Oct 14, 2026 | 208 | 0 |
| Oct 13, 2026 | 208 | +196 |
| Oct 09, 2026 | 12 | No prior observation |