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Contract OI history

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Dec 18, 2026 EXPIRATION

CYPH $2.00 Call

CYPH261218C00002000

Latest saved OI1,601Oct 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 $2.00 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. 1,6178080 2026-10-09: 1,617 OI2026-10-13: 1,606 OI2026-10-15: 1,607 OI2026-10-16: 1,615 OI2026-10-21: 1,601 OI2026-10-23: 1,601 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, 2026Viewing1,6010
Oct 21, 20261,601-14
Oct 16, 20261,615+8
Oct 15, 20261,607+1
Oct 13, 20261,606-11
Oct 09, 20261,617No prior observation