OITracker Cboe delayed data

Contract OI history

Back to CIFR

Nov 20, 2026 EXPIRATION

CIFR $21.00 Put

CIFR261120P00021000

Latest saved OI115Oct 23, 2026
Last change-18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $21.00 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. 2311150 2026-10-09: 231 OI2026-10-13: 230 OI2026-10-14: 230 OI2026-10-15: 207 OI2026-10-16: 206 OI2026-10-21: 133 OI2026-10-23: 115 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, 2026Viewing115-18
Oct 21, 2026133-73
Oct 16, 2026206-1
Oct 15, 2026207-23
Oct 14, 20262300
Oct 13, 2026230-1
Oct 09, 2026231No prior observation