OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CYPH $2.00 Put

CYPH261120P00002000

Latest saved OI272Oct 23, 2026
Last change+1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CYPH $2.00 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. 3881940 2026-10-09: 388 OI2026-10-13: 335 OI2026-10-15: 236 OI2026-10-16: 234 OI2026-10-21: 271 OI2026-10-23: 272 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, 2026Viewing272+1
Oct 21, 2026271+37
Oct 16, 2026234-2
Oct 15, 2026236-99
Oct 13, 2026335-53
Oct 09, 2026388No prior observation