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Contract OI history

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Mar 19, 2027 EXPIRATION

GFI $20.00 Put

GFI270319P00020000

Latest saved OI38Oct 20, 2026
Last change-6vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GFI $20.00 put open interest history 9 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 44220 2026-10-02: 44 OI2026-10-06: 44 OI2026-10-07: 44 OI2026-10-08: 44 OI2026-10-09: 44 OI2026-10-13: 44 OI2026-10-14: 44 OI2026-10-16: 44 OI2026-10-20: 38 OI Oct 02, 2026Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

GFI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing38-6
Oct 16, 2026440
Oct 14, 2026440
Oct 13, 2026440
Oct 09, 2026440
Oct 08, 2026440
Oct 07, 2026440
Oct 06, 2026440
Oct 02, 202644No prior observation