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Contract OI history

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Nov 20, 2026 EXPIRATION

HAFN $7.50 Call

HAFN261120C00007500

Latest saved OI67Oct 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 $7.50 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. 69340 2026-10-02: 65 OI2026-10-05: 65 OI2026-10-06: 65 OI2026-10-07: 65 OI2026-10-09: 68 OI2026-10-13: 69 OI2026-10-14: 69 OI2026-10-16: 67 OI2026-10-20: 67 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, 2026Viewing670
Oct 16, 202667-2
Oct 14, 2026690
Oct 13, 202669+1
Oct 09, 202668+3
Oct 07, 2026650
Oct 06, 2026650
Oct 05, 2026650
Oct 02, 202665No prior observation