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Contract OI history

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Nov 20, 2026 EXPIRATION

FN $350.00 Put

FN261120P00350000

Latest saved OI424Oct 23, 2026
Last change-7vs 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. 4312150 2026-10-02: 87 OI2026-10-05: 91 OI2026-10-06: 100 OI2026-10-07: 88 OI2026-10-08: 99 OI2026-10-09: 101 OI2026-10-13: 114 OI2026-10-14: 130 OI2026-10-15: 173 OI2026-10-16: 209 OI2026-10-21: 431 OI2026-10-23: 424 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, 2026Viewing424-7
Oct 21, 2026431+222
Oct 16, 2026209+36
Oct 15, 2026173+43
Oct 14, 2026130+16
Oct 13, 2026114+13
Oct 09, 2026101+2
Oct 08, 202699+11
Oct 07, 202688-12
Oct 06, 2026100+9
Oct 05, 202691+4
Oct 02, 202687No prior observation