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Contract OI history

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Dec 18, 2026 EXPIRATION

GFL $42.50 Call

GFL261218C00042500

Latest saved OI556Oct 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. 5592790 2026-10-02: 301 OI2026-10-05: 524 OI2026-10-06: 524 OI2026-10-07: 524 OI2026-10-08: 533 OI2026-10-09: 534 OI2026-10-13: 548 OI2026-10-14: 548 OI2026-10-15: 549 OI2026-10-16: 559 OI2026-10-21: 556 OI2026-10-23: 556 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, 2026Viewing5560
Oct 21, 2026556-3
Oct 16, 2026559+10
Oct 15, 2026549+1
Oct 14, 20265480
Oct 13, 2026548+14
Oct 09, 2026534+1
Oct 08, 2026533+9
Oct 07, 20265240
Oct 06, 20265240
Oct 05, 2026524+223
Oct 02, 2026301No prior observation