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Contract OI history

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Dec 18, 2026 EXPIRATION

UNH $175.00 Put

UNH261218P00175000

Latest saved OI479Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $175.00 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. 4812400 2026-10-02: 479 OI2026-10-05: 479 OI2026-10-06: 479 OI2026-10-07: 481 OI2026-10-08: 481 OI2026-10-09: 481 OI2026-10-14: 481 OI2026-10-15: 480 OI2026-10-16: 480 OI2026-10-21: 480 OI2026-10-23: 479 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, 2026Viewing479-1
Oct 21, 20264800
Oct 16, 20264800
Oct 15, 2026480-1
Oct 14, 20264810
Oct 09, 20264810
Oct 08, 20264810
Oct 07, 2026481+2
Oct 06, 20264790
Oct 05, 20264790
Oct 02, 2026479No prior observation