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Contract OI history

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Dec 18, 2026 EXPIRATION

FN $400.00 Call

FN261218C00400000

Latest saved OI80Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FN $400.00 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. 80400 2026-10-02: 55 OI2026-10-05: 55 OI2026-10-06: 56 OI2026-10-07: 56 OI2026-10-08: 56 OI2026-10-09: 53 OI2026-10-13: 53 OI2026-10-14: 54 OI2026-10-15: 58 OI2026-10-16: 68 OI2026-10-21: 80 OI2026-10-23: 80 OI Oct 02, 2026Oct 23, 2026

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

FN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing800
Oct 21, 202680+12
Oct 16, 202668+10
Oct 15, 202658+4
Oct 14, 202654+1
Oct 13, 2026530
Oct 09, 202653-3
Oct 08, 2026560
Oct 07, 2026560
Oct 06, 202656+1
Oct 05, 2026550
Oct 02, 202655No prior observation