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Contract OI history

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Nov 20, 2026 EXPIRATION

UNH $280.00 Put

UNH261120P00280000

Latest saved OI541Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $280.00 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. 5482740 2026-10-02: 314 OI2026-10-05: 312 OI2026-10-06: 307 OI2026-10-07: 310 OI2026-10-08: 310 OI2026-10-09: 311 OI2026-10-14: 302 OI2026-10-15: 302 OI2026-10-16: 548 OI2026-10-21: 541 OI2026-10-23: 541 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, 2026Viewing5410
Oct 21, 2026541-7
Oct 16, 2026548+246
Oct 15, 20263020
Oct 14, 2026302-9
Oct 09, 2026311+1
Oct 08, 20263100
Oct 07, 2026310+3
Oct 06, 2026307-5
Oct 05, 2026312-2
Oct 02, 2026314No prior observation