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Contract OI history

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Mar 19, 2027 EXPIRATION

CYPH $4.00 Call

CYPH270319C00004000

Latest saved OI765Oct 23, 2026
Last change+34vs 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. 7653820 2026-10-09: 678 OI2026-10-13: 676 OI2026-10-15: 676 OI2026-10-16: 676 OI2026-10-21: 731 OI2026-10-23: 765 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, 2026Viewing765+34
Oct 21, 2026731+55
Oct 16, 20266760
Oct 15, 20266760
Oct 13, 2026676-2
Oct 09, 2026678No prior observation