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Contract OI history

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Nov 20, 2026 EXPIRATION

HAPN $17.00 Call

HAPN261120C00017000

Latest saved OI194Oct 20, 2026
Last change+86vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
HAPN $17.00 call open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 194970 2026-10-09: 42 OI2026-10-13: 101 OI2026-10-14: 101 OI2026-10-16: 108 OI2026-10-20: 194 OI Oct 09, 2026Oct 20, 2026

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

HAPN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing194+86
Oct 16, 2026108+7
Oct 14, 20261010
Oct 13, 2026101+59
Oct 09, 202642No prior observation