OITracker Cboe delayed data

Contract OI history

Back to CYPH

Oct 30, 2026 EXPIRATION

CYPH $4.00 Call

CYPH261030C00004000

Latest saved OI677Oct 23, 2026
Last change+91vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CYPH $4.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6773380 2026-10-09: 578 OI2026-10-13: 578 OI2026-10-15: 577 OI2026-10-16: 577 OI2026-10-21: 586 OI2026-10-23: 677 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CYPH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing677+91
Oct 21, 2026586+9
Oct 16, 20265770
Oct 15, 2026577-1
Oct 13, 20265780
Oct 09, 2026578No prior observation