OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

FMC $17.50 Put

FMC280121P00017500

Latest saved OI526Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FMC $17.50 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. 5262630 2026-10-02: 172 OI2026-10-05: 508 OI2026-10-06: 508 OI2026-10-07: 508 OI2026-10-08: 508 OI2026-10-09: 508 OI2026-10-13: 508 OI2026-10-14: 508 OI2026-10-15: 508 OI2026-10-16: 505 OI2026-10-21: 520 OI2026-10-23: 526 OI Oct 02, 2026Oct 23, 2026

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

FMC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing526+6
Oct 21, 2026520+15
Oct 16, 2026505-3
Oct 15, 20265080
Oct 14, 20265080
Oct 13, 20265080
Oct 09, 20265080
Oct 08, 20265080
Oct 07, 20265080
Oct 06, 20265080
Oct 05, 2026508+336
Oct 02, 2026172No prior observation