OITracker Cboe delayed data

Contract OI history

Back to CYPH

Oct 23, 2026 EXPIRATION

CYPH $4.00 Call

CYPH261023C00004000

Latest saved OI371Oct 23, 2026
Last change+103vs 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. 3711850 2026-10-09: 244 OI2026-10-13: 251 OI2026-10-15: 256 OI2026-10-16: 268 OI2026-10-21: 268 OI2026-10-23: 371 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, 2026Viewing371+103
Oct 21, 20262680
Oct 16, 2026268+12
Oct 15, 2026256+5
Oct 13, 2026251+7
Oct 09, 2026244No prior observation