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Contract OI history

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Dec 18, 2026 EXPIRATION

CYPH $500.00 Call

CYPH261218C00000500

Latest saved OI567Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CYPH $500.00 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. 5872930 2026-10-09: 587 OI2026-10-13: 567 OI2026-10-15: 567 OI2026-10-16: 567 OI2026-10-21: 567 OI2026-10-23: 567 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, 2026Viewing5670
Oct 21, 20265670
Oct 16, 20265670
Oct 15, 20265670
Oct 13, 2026567-20
Oct 09, 2026587No prior observation