OITracker Cboe delayed data

Contract OI history

Back to F

Dec 18, 2026 EXPIRATION

F $11.67 Put

F261218P00011670

Latest saved OI31,961Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
F $11.67 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. 32,08116,0400 2026-10-02: 32,080 OI2026-10-05: 32,081 OI2026-10-06: 30,973 OI2026-10-07: 30,973 OI2026-10-08: 30,973 OI2026-10-09: 30,888 OI2026-10-13: 31,909 OI2026-10-14: 31,909 OI2026-10-15: 31,908 OI2026-10-16: 31,909 OI2026-10-21: 31,951 OI2026-10-23: 31,961 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, 2026Viewing31,961+10
Oct 21, 202631,951+42
Oct 16, 202631,909+1
Oct 15, 202631,908-1
Oct 14, 202631,9090
Oct 13, 202631,909+1,021
Oct 09, 202630,888-85
Oct 08, 202630,9730
Oct 07, 202630,9730
Oct 06, 202630,973-1,108
Oct 05, 202632,081+1
Oct 02, 202632,080No prior observation