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Contract OI history

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Oct 23, 2026 EXPIRATION

UNH $397.50 Call

UNH261023C00397500

Latest saved OI233Oct 23, 2026
Last change-4vs previous saved observation
Saved market days8Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $397.50 call open interest history 8 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 3491740 2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 23 OI2026-10-14: 349 OI2026-10-15: 341 OI2026-10-16: 334 OI2026-10-21: 237 OI2026-10-23: 233 OI Oct 07, 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, 2026Viewing233-4
Oct 21, 2026237-97
Oct 16, 2026334-7
Oct 15, 2026341-8
Oct 14, 2026349+326
Oct 09, 202623+23
Oct 08, 202600
Oct 07, 20260No prior observation