OITracker Cboe delayed data

Contract OI history

Back to HAPN

Jan 15, 2027 EXPIRATION

HAPN $17.00 Call

HAPN270115C00017000

Latest saved OI652Oct 20, 2026
Last change+3vs 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. 6523260 2026-10-09: 651 OI2026-10-13: 649 OI2026-10-14: 649 OI2026-10-16: 649 OI2026-10-20: 652 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, 2026Viewing652+3
Oct 16, 20266490
Oct 14, 20266490
Oct 13, 2026649-2
Oct 09, 2026651No prior observation