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Contract OI history

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Jan 19, 2029 EXPIRATION

UNH $280.00 Put

UNH290119P00280000

Latest saved OI359Oct 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. 3591790 2026-10-02: 304 OI2026-10-05: 304 OI2026-10-06: 305 OI2026-10-07: 305 OI2026-10-08: 305 OI2026-10-09: 305 OI2026-10-14: 308 OI2026-10-15: 309 OI2026-10-16: 310 OI2026-10-21: 359 OI2026-10-23: 359 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, 2026Viewing3590
Oct 21, 2026359+49
Oct 16, 2026310+1
Oct 15, 2026309+1
Oct 14, 2026308+3
Oct 09, 20263050
Oct 08, 20263050
Oct 07, 20263050
Oct 06, 2026305+1
Oct 05, 20263040
Oct 02, 2026304No prior observation