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Contract OI history

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Nov 20, 2026 EXPIRATION

GFL $40.00 Call

GFL261120C00040000

Latest saved OI456Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GFL $40.00 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. 4682340 2026-10-02: 99 OI2026-10-05: 194 OI2026-10-06: 194 OI2026-10-07: 352 OI2026-10-08: 387 OI2026-10-09: 405 OI2026-10-13: 455 OI2026-10-14: 458 OI2026-10-15: 468 OI2026-10-16: 467 OI2026-10-21: 457 OI2026-10-23: 456 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, 2026Viewing456-1
Oct 21, 2026457-10
Oct 16, 2026467-1
Oct 15, 2026468+10
Oct 14, 2026458+3
Oct 13, 2026455+50
Oct 09, 2026405+18
Oct 08, 2026387+35
Oct 07, 2026352+158
Oct 06, 20261940
Oct 05, 2026194+95
Oct 02, 202699No prior observation