OITracker Cboe delayed data

Contract OI history

Back to F

Oct 23, 2026 EXPIRATION

F $12.50 Put

F261023P00012500

Latest saved OI2,882Oct 23, 2026
Last change-21,019vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
F $12.50 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. 23,90111,9500 2026-10-02: 758 OI2026-10-05: 747 OI2026-10-06: 786 OI2026-10-07: 746 OI2026-10-08: 746 OI2026-10-09: 905 OI2026-10-13: 960 OI2026-10-14: 960 OI2026-10-15: 947 OI2026-10-16: 1,049 OI2026-10-21: 23,901 OI2026-10-23: 2,882 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, 2026Viewing2,882-21,019
Oct 21, 202623,901+22,852
Oct 16, 20261,049+102
Oct 15, 2026947-13
Oct 14, 20269600
Oct 13, 2026960+55
Oct 09, 2026905+159
Oct 08, 20267460
Oct 07, 2026746-40
Oct 06, 2026786+39
Oct 05, 2026747-11
Oct 02, 2026758No prior observation