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Contract OI history

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Dec 18, 2026 EXPIRATION

GFI $30.00 Put

GFI261218P00030000

Latest saved OI137Oct 20, 2026
Last change+137vs previous saved observation
Saved market days2Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
GFI $30.00 put open interest history 2 saved observations from 2026-10-16 to 2026-10-20. Exact values and changes are listed in the table below. 137680 2026-10-16: 0 OI2026-10-20: 137 OI Oct 16, 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, 2026Viewing137+137
Oct 16, 20260No prior observation