OITracker Cboe delayed data

Contract OI history

Back to FN

Nov 20, 2026 EXPIRATION

FN $400.00 Call

FN261120C00400000

Latest saved OI182Oct 23, 2026
Last change+37vs 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. 182910 2026-10-02: 25 OI2026-10-05: 26 OI2026-10-06: 26 OI2026-10-07: 26 OI2026-10-08: 26 OI2026-10-09: 25 OI2026-10-13: 25 OI2026-10-14: 26 OI2026-10-15: 73 OI2026-10-16: 77 OI2026-10-21: 145 OI2026-10-23: 182 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, 2026Viewing182+37
Oct 21, 2026145+68
Oct 16, 202677+4
Oct 15, 202673+47
Oct 14, 202626+1
Oct 13, 2026250
Oct 09, 202625-1
Oct 08, 2026260
Oct 07, 2026260
Oct 06, 2026260
Oct 05, 202626+1
Oct 02, 202625No prior observation