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Contract OI history

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Dec 18, 2026 EXPIRATION

UNH $450.00 Put

UNH261218P00450000

Latest saved OI269Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $450.00 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. 2691340 2026-10-02: 145 OI2026-10-05: 140 OI2026-10-06: 140 OI2026-10-07: 140 OI2026-10-08: 140 OI2026-10-09: 139 OI2026-10-14: 138 OI2026-10-15: 163 OI2026-10-16: 239 OI2026-10-21: 266 OI2026-10-23: 269 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, 2026Viewing269+3
Oct 21, 2026266+27
Oct 16, 2026239+76
Oct 15, 2026163+25
Oct 14, 2026138-1
Oct 09, 2026139-1
Oct 08, 20261400
Oct 07, 20261400
Oct 06, 20261400
Oct 05, 2026140-5
Oct 02, 2026145No prior observation