OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

GFL $43.50 Call

GFL261023C00043500

Latest saved OI1,945Oct 23, 2026
Last change-555vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
GFL $43.50 call open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 2,5001,2500 2026-10-15: 0 OI2026-10-16: 1,000 OI2026-10-21: 2,500 OI2026-10-23: 1,945 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, 2026Viewing1,945-555
Oct 21, 20262,500+1,500
Oct 16, 20261,000+1,000
Oct 15, 20260No prior observation