OITracker Cboe delayed data

Contract OI history

Back to F

Dec 18, 2026 EXPIRATION

F $18.00 Put

F261218P00018000

Latest saved OI3,640Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
F $18.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3,6411,8200 2026-10-02: 3,641 OI2026-10-05: 3,641 OI2026-10-06: 3,640 OI2026-10-07: 3,640 OI2026-10-08: 3,640 OI2026-10-09: 3,640 OI2026-10-13: 3,640 OI2026-10-14: 3,640 OI2026-10-15: 3,640 OI2026-10-16: 3,640 OI2026-10-21: 3,640 OI2026-10-23: 3,640 OI Oct 02, 2026Oct 23, 2026

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

F contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,6400
Oct 21, 20263,6400
Oct 16, 20263,6400
Oct 15, 20263,6400
Oct 14, 20263,6400
Oct 13, 20263,6400
Oct 09, 20263,6400
Oct 08, 20263,6400
Oct 07, 20263,6400
Oct 06, 20263,640-1
Oct 05, 20263,6410
Oct 02, 20263,641No prior observation