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Contract OI history

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Jan 15, 2027 EXPIRATION

UNH $420.00 Put

UNH270115P00420000

Latest saved OI826Oct 23, 2026
Last change+30vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $420.00 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. 8704350 2026-10-02: 743 OI2026-10-05: 753 OI2026-10-06: 753 OI2026-10-07: 768 OI2026-10-08: 768 OI2026-10-09: 768 OI2026-10-14: 768 OI2026-10-15: 759 OI2026-10-16: 870 OI2026-10-21: 796 OI2026-10-23: 826 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, 2026Viewing826+30
Oct 21, 2026796-74
Oct 16, 2026870+111
Oct 15, 2026759-9
Oct 14, 20267680
Oct 09, 20267680
Oct 08, 20267680
Oct 07, 2026768+15
Oct 06, 20267530
Oct 05, 2026753+10
Oct 02, 2026743No prior observation