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Contract OI history

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Dec 18, 2026 EXPIRATION

FN $350.00 Put

FN261218P00350000

Latest saved OI113Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FN $350.00 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. 113560 2026-10-02: 81 OI2026-10-05: 81 OI2026-10-06: 87 OI2026-10-07: 86 OI2026-10-08: 86 OI2026-10-09: 86 OI2026-10-13: 87 OI2026-10-14: 87 OI2026-10-15: 91 OI2026-10-16: 95 OI2026-10-21: 101 OI2026-10-23: 113 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, 2026Viewing113+12
Oct 21, 2026101+6
Oct 16, 202695+4
Oct 15, 202691+4
Oct 14, 2026870
Oct 13, 202687+1
Oct 09, 2026860
Oct 08, 2026860
Oct 07, 202686-1
Oct 06, 202687+6
Oct 05, 2026810
Oct 02, 202681No prior observation