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Contract OI history

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Nov 13, 2026 EXPIRATION

CYPH $4.00 Call

CYPH261113C00004000

Latest saved OI27Oct 23, 2026
Last change+23vs 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. 27130 2026-10-09: 2 OI2026-10-13: 2 OI2026-10-15: 2 OI2026-10-16: 3 OI2026-10-21: 4 OI2026-10-23: 27 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, 2026Viewing27+23
Oct 21, 20264+1
Oct 16, 20263+1
Oct 15, 202620
Oct 13, 202620
Oct 09, 20262No prior observation