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Contract OI history

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Dec 18, 2026 EXPIRATION

F $8.00 Put

F261218P00008000

Latest saved OI39Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
F $8.00 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. 39190 2026-10-02: 27 OI2026-10-05: 28 OI2026-10-06: 28 OI2026-10-07: 29 OI2026-10-08: 29 OI2026-10-09: 29 OI2026-10-13: 29 OI2026-10-14: 29 OI2026-10-15: 29 OI2026-10-16: 29 OI2026-10-21: 31 OI2026-10-23: 39 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, 2026Viewing39+8
Oct 21, 202631+2
Oct 16, 2026290
Oct 15, 2026290
Oct 14, 2026290
Oct 13, 2026290
Oct 09, 2026290
Oct 08, 2026290
Oct 07, 202629+1
Oct 06, 2026280
Oct 05, 202628+1
Oct 02, 202627No prior observation