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Contract OI history

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Nov 20, 2026 EXPIRATION

CYPH $4.00 Call

CYPH261120C00004000

Latest saved OI1,146Oct 23, 2026
Last change+458vs 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. 1,1465730 2026-10-09: 390 OI2026-10-13: 638 OI2026-10-15: 648 OI2026-10-16: 676 OI2026-10-21: 688 OI2026-10-23: 1,146 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, 2026Viewing1,146+458
Oct 21, 2026688+12
Oct 16, 2026676+28
Oct 15, 2026648+10
Oct 13, 2026638+248
Oct 09, 2026390No prior observation