OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HRZN $5.00 Put

HRZN270115P00005000

Latest saved OI318Oct 20, 2026
Last change-16vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
HRZN $5.00 put open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 3341670 2026-10-09: 331 OI2026-10-13: 331 OI2026-10-14: 334 OI2026-10-16: 334 OI2026-10-20: 318 OI Oct 09, 2026Oct 20, 2026

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

HRZN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing318-16
Oct 16, 20263340
Oct 14, 2026334+3
Oct 13, 20263310
Oct 09, 2026331No prior observation