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Contract OI history

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Nov 20, 2026 EXPIRATION

HAPN $15.00 Call

HAPN261120C00015000

Latest saved OI502Oct 20, 2026
Last change+430vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
HAPN $15.00 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. 5022510 2026-10-09: 3 OI2026-10-13: 62 OI2026-10-14: 62 OI2026-10-16: 72 OI2026-10-20: 502 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, 2026Viewing502+430
Oct 16, 202672+10
Oct 14, 2026620
Oct 13, 202662+59
Oct 09, 20263No prior observation