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Contract OI history

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Nov 20, 2026 EXPIRATION

GFI $40.00 Call

GFI261120C00040000

Latest saved OI3,845Oct 20, 2026
Last change+1,863vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GFI $40.00 call open interest history 9 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 3,8451,9220 2026-10-02: 1,320 OI2026-10-06: 1,369 OI2026-10-07: 1,596 OI2026-10-08: 1,600 OI2026-10-09: 1,606 OI2026-10-13: 1,795 OI2026-10-14: 1,795 OI2026-10-16: 1,982 OI2026-10-20: 3,845 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, 2026Viewing3,845+1,863
Oct 16, 20261,982+187
Oct 14, 20261,7950
Oct 13, 20261,795+189
Oct 09, 20261,606+6
Oct 08, 20261,600+4
Oct 07, 20261,596+227
Oct 06, 20261,369+49
Oct 02, 20261,320No prior observation