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Contract OI history

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Mar 19, 2027 EXPIRATION

UNH $290.00 Put

UNH270319P00290000

Latest saved OI818Oct 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 $290.00 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. 8184090 2026-10-02: 773 OI2026-10-05: 773 OI2026-10-06: 774 OI2026-10-07: 778 OI2026-10-08: 778 OI2026-10-09: 779 OI2026-10-14: 796 OI2026-10-15: 812 OI2026-10-16: 807 OI2026-10-21: 808 OI2026-10-23: 818 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, 2026Viewing818+10
Oct 21, 2026808+1
Oct 16, 2026807-5
Oct 15, 2026812+16
Oct 14, 2026796+17
Oct 09, 2026779+1
Oct 08, 20267780
Oct 07, 2026778+4
Oct 06, 2026774+1
Oct 05, 20267730
Oct 02, 2026773No prior observation