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Contract OI history

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Dec 18, 2026 EXPIRATION

CYPH $3.00 Put

CYPH261218P00003000

Latest saved OI1,115Oct 23, 2026
Last change-4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CYPH $3.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,1195590 2026-10-09: 1,010 OI2026-10-13: 1,005 OI2026-10-15: 1,005 OI2026-10-16: 1,005 OI2026-10-21: 1,119 OI2026-10-23: 1,115 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, 2026Viewing1,115-4
Oct 21, 20261,119+114
Oct 16, 20261,0050
Oct 15, 20261,0050
Oct 13, 20261,005-5
Oct 09, 20261,010No prior observation