OITracker Cboe delayed data

Contract OI history

Back to CIFR

Dec 18, 2026 EXPIRATION

CIFR $9.00 Put

CIFR261218P00009000

Latest saved OI943Oct 23, 2026
Last change+33vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $9.00 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. 9434710 2026-10-09: 167 OI2026-10-13: 304 OI2026-10-14: 304 OI2026-10-15: 576 OI2026-10-16: 775 OI2026-10-21: 910 OI2026-10-23: 943 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, 2026Viewing943+33
Oct 21, 2026910+135
Oct 16, 2026775+199
Oct 15, 2026576+272
Oct 14, 20263040
Oct 13, 2026304+137
Oct 09, 2026167No prior observation