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Contract OI history

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Apr 16, 2027 EXPIRATION

HAFN $15.00 Call

HAFN270416C00015000

Latest saved OI102Oct 20, 2026
Last change0vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAFN $15.00 call open interest history 9 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 102510 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-09: 101 OI2026-10-13: 101 OI2026-10-14: 102 OI2026-10-16: 102 OI2026-10-20: 102 OI Oct 02, 2026Oct 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, 2026Viewing1020
Oct 16, 20261020
Oct 14, 2026102+1
Oct 13, 20261010
Oct 09, 2026101+100
Oct 07, 202610
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation