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Contract OI history

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Jan 15, 2027 EXPIRATION

HAFN $7.50 Call

HAFN270115C00007500

Latest saved OI245Oct 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. 2471230 2026-10-02: 245 OI2026-10-05: 245 OI2026-10-06: 247 OI2026-10-07: 247 OI2026-10-09: 247 OI2026-10-13: 246 OI2026-10-14: 245 OI2026-10-16: 245 OI2026-10-20: 245 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, 2026Viewing2450
Oct 16, 20262450
Oct 14, 2026245-1
Oct 13, 2026246-1
Oct 09, 20262470
Oct 07, 20262470
Oct 06, 2026247+2
Oct 05, 20262450
Oct 02, 2026245No prior observation