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Contract OI history

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Nov 20, 2026 EXPIRATION

GFI $40.00 Put

GFI261120P00040000

Latest saved OI296Oct 20, 2026
Last change0vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GFI $40.00 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. 2961480 2026-10-02: 218 OI2026-10-06: 218 OI2026-10-07: 219 OI2026-10-08: 235 OI2026-10-09: 243 OI2026-10-13: 295 OI2026-10-14: 295 OI2026-10-16: 296 OI2026-10-20: 296 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, 2026Viewing2960
Oct 16, 2026296+1
Oct 14, 20262950
Oct 13, 2026295+52
Oct 09, 2026243+8
Oct 08, 2026235+16
Oct 07, 2026219+1
Oct 06, 20262180
Oct 02, 2026218No prior observation