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Contract OI history

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Jan 19, 2029 EXPIRATION

CYPH $4.00 Call

CYPH290119C00004000

Latest saved OI285Oct 23, 2026
Last change+2vs 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. 2851420 2026-10-09: 283 OI2026-10-13: 283 OI2026-10-15: 283 OI2026-10-16: 283 OI2026-10-21: 283 OI2026-10-23: 285 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, 2026Viewing285+2
Oct 21, 20262830
Oct 16, 20262830
Oct 15, 20262830
Oct 13, 20262830
Oct 09, 2026283No prior observation