OITracker Cboe delayed data

Contract OI history

Back to F

Mar 19, 2027 EXPIRATION

F $18.00 Call

F270319C00018000

Latest saved OI1,021Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
F $18.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0215100 2026-10-02: 944 OI2026-10-05: 949 OI2026-10-06: 949 OI2026-10-07: 958 OI2026-10-08: 958 OI2026-10-09: 985 OI2026-10-13: 977 OI2026-10-14: 977 OI2026-10-15: 977 OI2026-10-16: 977 OI2026-10-21: 1,014 OI2026-10-23: 1,021 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, 2026Viewing1,021+7
Oct 21, 20261,014+37
Oct 16, 20269770
Oct 15, 20269770
Oct 14, 20269770
Oct 13, 2026977-8
Oct 09, 2026985+27
Oct 08, 20269580
Oct 07, 2026958+9
Oct 06, 20269490
Oct 05, 2026949+5
Oct 02, 2026944No prior observation