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Contract OI history

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Oct 30, 2026 EXPIRATION

GFL $39.00 Put

GFL261030P00039000

Latest saved OI376Oct 23, 2026
Last change+328vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
GFL $39.00 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 3761880 2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 48 OI2026-10-23: 376 OI Oct 15, 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, 2026Viewing376+328
Oct 21, 202648+48
Oct 16, 202600
Oct 15, 20260No prior observation