OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

UNH $397.50 Call

UNH261030C00397500

Latest saved OI39Oct 23, 2026
Last change-4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $397.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 43210 2026-10-09: 0 OI2026-10-14: 34 OI2026-10-15: 36 OI2026-10-16: 36 OI2026-10-21: 43 OI2026-10-23: 39 OI Oct 09, 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, 2026Viewing39-4
Oct 21, 202643+7
Oct 16, 2026360
Oct 15, 202636+2
Oct 14, 202634+34
Oct 09, 20260No prior observation