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Contract OI history

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Dec 18, 2026 EXPIRATION

GFL $35.00 Put

GFL261218P00035000

Latest saved OI743Oct 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 $35.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7933960 2026-10-02: 786 OI2026-10-05: 786 OI2026-10-06: 786 OI2026-10-07: 785 OI2026-10-08: 785 OI2026-10-09: 785 OI2026-10-13: 793 OI2026-10-14: 793 OI2026-10-15: 793 OI2026-10-16: 793 OI2026-10-21: 743 OI2026-10-23: 743 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, 2026Viewing7430
Oct 21, 2026743-50
Oct 16, 20267930
Oct 15, 20267930
Oct 14, 20267930
Oct 13, 2026793+8
Oct 09, 20267850
Oct 08, 20267850
Oct 07, 2026785-1
Oct 06, 20267860
Oct 05, 20267860
Oct 02, 2026786No prior observation