OITracker Cboe delayed data

Contract OI history

Back to CYPH

Nov 20, 2026 EXPIRATION

CYPH $2.50 Call

CYPH261120C00002500

Latest saved OI398Oct 23, 2026
Last change-63vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CYPH $2.50 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. 4612300 2026-10-09: 297 OI2026-10-13: 297 OI2026-10-15: 300 OI2026-10-16: 434 OI2026-10-21: 461 OI2026-10-23: 398 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, 2026Viewing398-63
Oct 21, 2026461+27
Oct 16, 2026434+134
Oct 15, 2026300+3
Oct 13, 20262970
Oct 09, 2026297No prior observation