OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

UNH $422.50 Put

UNH261030P00422500

Latest saved OI570Oct 23, 2026
Last change+535vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $422.50 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. 5702850 2026-10-21: 35 OI2026-10-23: 570 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, 2026Viewing570+535
Oct 21, 202635No prior observation