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Contract OI history

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Jan 15, 2027 EXPIRATION

HOWL $2.50 Put

HOWL270115P00002500

Latest saved OI10Oct 23, 2026
Last change-30vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
HOWL $2.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 40200 2026-10-08: 40 OI2026-10-09: 40 OI2026-10-13: 40 OI2026-10-14: 40 OI2026-10-16: 40 OI2026-10-20: 40 OI2026-10-23: 10 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, 2026Viewing10-30
Oct 20, 2026400
Oct 16, 2026400
Oct 14, 2026400
Oct 13, 2026400
Oct 09, 2026400
Oct 08, 202640No prior observation