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Contract OI history

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Oct 23, 2026 EXPIRATION

CYPH $3.50 Call

CYPH261023C00003500

Latest saved OI267Oct 23, 2026
Last change+27vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CYPH $3.50 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. 3291640 2026-10-09: 38 OI2026-10-13: 108 OI2026-10-15: 190 OI2026-10-16: 329 OI2026-10-21: 240 OI2026-10-23: 267 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, 2026Viewing267+27
Oct 21, 2026240-89
Oct 16, 2026329+139
Oct 15, 2026190+82
Oct 13, 2026108+70
Oct 09, 202638No prior observation