OITracker Cboe delayed data

Contract OI history

Back to CIFR

Oct 23, 2026 EXPIRATION

CIFR $8.00 Put

CIFR261023P00008000

Latest saved OI6,552Oct 23, 2026
Last change+800vs 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. 6,5523,2760 2026-10-09: 100 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-15: 115 OI2026-10-16: 555 OI2026-10-21: 5,752 OI2026-10-23: 6,552 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, 2026Viewing6,552+800
Oct 21, 20265,752+5,197
Oct 16, 2026555+440
Oct 15, 2026115+12
Oct 14, 20261030
Oct 13, 2026103+3
Oct 09, 2026100No prior observation