Contract OI history
Back to CYPHJan 21, 2028 EXPIRATION
CYPH $7.50 Call
CYPH280121C00007500
Latest saved OI1,511Oct 23, 2026
Last change-59vs previous saved observation
Saved market days6Oct 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 | 1,511 | -59 |
| Oct 21, 2026 | 1,570 | +111 |
| Oct 16, 2026 | 1,459 | +19 |
| Oct 15, 2026 | 1,440 | 0 |
| Oct 13, 2026 | 1,440 | -10 |
| Oct 09, 2026 | 1,450 | No prior observation |