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Contract OI history

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Jan 15, 2027 EXPIRATION

HAFN $20.00 Call

HAFN270115C00020000

Latest saved OI0Oct 20, 2026
Last change—vs previous saved observation
Saved market days1Oct 20, 2026 onwards
Daily open interest Hover a point for its date and OI
HAFN $20.00 call open interest history 1 saved observations from 2026-10-20 to 2026-10-20. Exact values and changes are listed in the table below. 10 2026-10-20: 0 OI Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

HAFN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing0No prior observation