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Contract OI history

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Nov 13, 2026 EXPIRATION

UNH $320.00 Put

UNH261113P00320000

Latest saved OI108Oct 23, 2026
Last change-10vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $320.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 161800 2026-10-02: 3 OI2026-10-05: 8 OI2026-10-06: 87 OI2026-10-07: 90 OI2026-10-08: 90 OI2026-10-09: 92 OI2026-10-14: 161 OI2026-10-15: 160 OI2026-10-16: 122 OI2026-10-21: 118 OI2026-10-23: 108 OI Oct 02, 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, 2026Viewing108-10
Oct 21, 2026118-4
Oct 16, 2026122-38
Oct 15, 2026160-1
Oct 14, 2026161+69
Oct 09, 202692+2
Oct 08, 2026900
Oct 07, 202690+3
Oct 06, 202687+79
Oct 05, 20268+5
Oct 02, 20263No prior observation