OITracker Cboe delayed data

Contract OI history

Back to CIFR

Nov 20, 2026 EXPIRATION

CIFR $8.00 Put

CIFR261120P00008000

Latest saved OI3,933Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $8.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,9351,9670 2026-10-09: 697 OI2026-10-13: 641 OI2026-10-14: 641 OI2026-10-15: 1,441 OI2026-10-16: 3,486 OI2026-10-21: 3,935 OI2026-10-23: 3,933 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CIFR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,933-2
Oct 21, 20263,935+449
Oct 16, 20263,486+2,045
Oct 15, 20261,441+800
Oct 14, 20266410
Oct 13, 2026641-56
Oct 09, 2026697No prior observation