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Contract OI history

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Jan 21, 2028 EXPIRATION

F $17.00 Put

F280121P00017000

Latest saved OI384Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
F $17.00 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. 3841920 2026-10-02: 351 OI2026-10-05: 351 OI2026-10-06: 351 OI2026-10-07: 351 OI2026-10-08: 351 OI2026-10-09: 351 OI2026-10-13: 369 OI2026-10-14: 369 OI2026-10-15: 369 OI2026-10-16: 369 OI2026-10-21: 384 OI2026-10-23: 384 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, 2026Viewing3840
Oct 21, 2026384+15
Oct 16, 20263690
Oct 15, 20263690
Oct 14, 20263690
Oct 13, 2026369+18
Oct 09, 20263510
Oct 08, 20263510
Oct 07, 20263510
Oct 06, 20263510
Oct 05, 20263510
Oct 02, 2026351No prior observation