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Contract OI history

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Jan 21, 2028 EXPIRATION

CYPH $500.00 Call

CYPH280121C00000500

Latest saved OI21Oct 23, 2026
Last change-3vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CYPH $500.00 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. 29140 2026-10-09: 26 OI2026-10-13: 29 OI2026-10-15: 24 OI2026-10-16: 24 OI2026-10-21: 24 OI2026-10-23: 21 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, 2026Viewing21-3
Oct 21, 2026240
Oct 16, 2026240
Oct 15, 202624-5
Oct 13, 202629+3
Oct 09, 202626No prior observation