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Contract OI history

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Dec 17, 2027 EXPIRATION

UNH $350.00 Put

UNH271217P00350000

Latest saved OI448Oct 23, 2026
Last change+4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $350.00 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. 4482240 2026-10-02: 378 OI2026-10-05: 378 OI2026-10-06: 379 OI2026-10-07: 379 OI2026-10-08: 379 OI2026-10-09: 378 OI2026-10-14: 380 OI2026-10-15: 384 OI2026-10-16: 439 OI2026-10-21: 444 OI2026-10-23: 448 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, 2026Viewing448+4
Oct 21, 2026444+5
Oct 16, 2026439+55
Oct 15, 2026384+4
Oct 14, 2026380+2
Oct 09, 2026378-1
Oct 08, 20263790
Oct 07, 20263790
Oct 06, 2026379+1
Oct 05, 20263780
Oct 02, 2026378No prior observation