OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HOWL $2.50 Call

HOWL270115C00002500

Latest saved OI1,331Oct 23, 2026
Last change-11vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
HOWL $2.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1,3426710 2026-10-08: 1,342 OI2026-10-09: 1,342 OI2026-10-13: 1,342 OI2026-10-14: 1,342 OI2026-10-16: 1,342 OI2026-10-20: 1,342 OI2026-10-23: 1,331 OI Oct 08, 2026Oct 23, 2026

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

HOWL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,331-11
Oct 20, 20261,3420
Oct 16, 20261,3420
Oct 14, 20261,3420
Oct 13, 20261,3420
Oct 09, 20261,3420
Oct 08, 20261,342No prior observation