OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

UNH $377.50 Put

UNH261120P00377500

Latest saved OI197Oct 23, 2026
Last change-2vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $377.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 199990 2026-10-21: 199 OI2026-10-23: 197 OI Oct 21, 2026Oct 23, 2026

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

UNH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing197-2
Oct 21, 2026199No prior observation