OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

UNH $417.50 Put

UNH261030P00417500

Latest saved OI362Oct 23, 2026
Last change-258vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $417.50 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. 6203100 2026-10-21: 620 OI2026-10-23: 362 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, 2026Viewing362-258
Oct 21, 2026620No prior observation