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Contract OI history

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Nov 20, 2026 EXPIRATION

GFL $42.50 Call

GFL261120C00042500

Latest saved OI584Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GFL $42.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8334160 2026-10-02: 469 OI2026-10-05: 645 OI2026-10-06: 747 OI2026-10-07: 663 OI2026-10-08: 714 OI2026-10-09: 748 OI2026-10-13: 833 OI2026-10-14: 799 OI2026-10-15: 780 OI2026-10-16: 780 OI2026-10-21: 584 OI2026-10-23: 584 OI Oct 02, 2026Oct 23, 2026

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

GFL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5840
Oct 21, 2026584-196
Oct 16, 20267800
Oct 15, 2026780-19
Oct 14, 2026799-34
Oct 13, 2026833+85
Oct 09, 2026748+34
Oct 08, 2026714+51
Oct 07, 2026663-84
Oct 06, 2026747+102
Oct 05, 2026645+176
Oct 02, 2026469No prior observation