OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

FF $2.50 Put

FF261120P00002500

Latest saved OI116Oct 23, 2026
Last change-18vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FF $2.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 134670 2026-10-02: 134 OI2026-10-05: 134 OI2026-10-06: 134 OI2026-10-07: 134 OI2026-10-08: 134 OI2026-10-09: 134 OI2026-10-13: 134 OI2026-10-14: 134 OI2026-10-16: 134 OI2026-10-20: 134 OI2026-10-23: 116 OI Oct 02, 2026Oct 23, 2026

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

FF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing116-18
Oct 20, 20261340
Oct 16, 20261340
Oct 14, 20261340
Oct 13, 20261340
Oct 09, 20261340
Oct 08, 20261340
Oct 07, 20261340
Oct 06, 20261340
Oct 05, 20261340
Oct 02, 2026134No prior observation