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Contract OI history

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Dec 18, 2026 EXPIRATION

CYPH $7.50 Call

CYPH261218C00007500

Latest saved OI29,006Oct 23, 2026
Last change+240vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CYPH $7.50 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. 29,00614,5030 2026-10-09: 28,802 OI2026-10-13: 28,741 OI2026-10-15: 28,680 OI2026-10-16: 28,684 OI2026-10-21: 28,766 OI2026-10-23: 29,006 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, 2026Viewing29,006+240
Oct 21, 202628,766+82
Oct 16, 202628,684+4
Oct 15, 202628,680-61
Oct 13, 202628,741-61
Oct 09, 202628,802No prior observation