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Contract OI history

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Oct 23, 2026 EXPIRATION

F $18.50 Call

F261023C00018500

Latest saved OI49Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
F $18.50 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. 49240 2026-10-02: 47 OI2026-10-05: 47 OI2026-10-06: 47 OI2026-10-07: 47 OI2026-10-08: 47 OI2026-10-09: 47 OI2026-10-13: 47 OI2026-10-14: 47 OI2026-10-15: 47 OI2026-10-16: 48 OI2026-10-21: 49 OI2026-10-23: 49 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, 2026Viewing490
Oct 21, 202649+1
Oct 16, 202648+1
Oct 15, 2026470
Oct 14, 2026470
Oct 13, 2026470
Oct 09, 2026470
Oct 08, 2026470
Oct 07, 2026470
Oct 06, 2026470
Oct 05, 2026470
Oct 02, 202647No prior observation