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Contract OI history

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Mar 19, 2027 EXPIRATION

GFL $35.00 Put

GFL270319P00035000

Latest saved OI359Oct 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. 3591790 2026-10-02: 329 OI2026-10-05: 329 OI2026-10-06: 359 OI2026-10-07: 359 OI2026-10-08: 359 OI2026-10-09: 359 OI2026-10-13: 359 OI2026-10-14: 359 OI2026-10-15: 359 OI2026-10-16: 359 OI2026-10-21: 359 OI2026-10-23: 359 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, 2026Viewing3590
Oct 21, 20263590
Oct 16, 20263590
Oct 15, 20263590
Oct 14, 20263590
Oct 13, 20263590
Oct 09, 20263590
Oct 08, 20263590
Oct 07, 20263590
Oct 06, 2026359+30
Oct 05, 20263290
Oct 02, 2026329No prior observation