OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

FMC $20.00 Put

FMC280121P00020000

Latest saved OI39Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FMC $20.00 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. 2451220 2026-10-02: 243 OI2026-10-05: 243 OI2026-10-06: 243 OI2026-10-07: 243 OI2026-10-08: 243 OI2026-10-09: 243 OI2026-10-13: 244 OI2026-10-14: 244 OI2026-10-15: 245 OI2026-10-16: 39 OI2026-10-21: 39 OI2026-10-23: 39 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, 2026Viewing390
Oct 21, 2026390
Oct 16, 202639-206
Oct 15, 2026245+1
Oct 14, 20262440
Oct 13, 2026244+1
Oct 09, 20262430
Oct 08, 20262430
Oct 07, 20262430
Oct 06, 20262430
Oct 05, 20262430
Oct 02, 2026243No prior observation