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Contract OI history

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Mar 19, 2027 EXPIRATION

F $9.00 Put

F270319P00009000

Latest saved OI513Oct 23, 2026
Last change+146vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
F $9.00 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. 5132560 2026-10-02: 350 OI2026-10-05: 360 OI2026-10-06: 360 OI2026-10-07: 360 OI2026-10-08: 360 OI2026-10-09: 360 OI2026-10-13: 369 OI2026-10-14: 369 OI2026-10-15: 369 OI2026-10-16: 368 OI2026-10-21: 367 OI2026-10-23: 513 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, 2026Viewing513+146
Oct 21, 2026367-1
Oct 16, 2026368-1
Oct 15, 20263690
Oct 14, 20263690
Oct 13, 2026369+9
Oct 09, 20263600
Oct 08, 20263600
Oct 07, 20263600
Oct 06, 20263600
Oct 05, 2026360+10
Oct 02, 2026350No prior observation