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Contract OI history

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Dec 18, 2026 EXPIRATION

UNH $290.00 Put

UNH261218P00290000

Latest saved OI931Oct 23, 2026
Last change-7vs 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. 9804900 2026-10-02: 935 OI2026-10-05: 935 OI2026-10-06: 954 OI2026-10-07: 969 OI2026-10-08: 969 OI2026-10-09: 970 OI2026-10-14: 980 OI2026-10-15: 959 OI2026-10-16: 947 OI2026-10-21: 938 OI2026-10-23: 931 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, 2026Viewing931-7
Oct 21, 2026938-9
Oct 16, 2026947-12
Oct 15, 2026959-21
Oct 14, 2026980+10
Oct 09, 2026970+1
Oct 08, 20269690
Oct 07, 2026969+15
Oct 06, 2026954+19
Oct 05, 20269350
Oct 02, 2026935No prior observation