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Contract OI history

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Nov 20, 2026 EXPIRATION

UNH $450.00 Put

UNH261120P00450000

Latest saved OI320Oct 23, 2026
Last change0vs 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. 3221610 2026-10-02: 309 OI2026-10-05: 308 OI2026-10-06: 308 OI2026-10-07: 310 OI2026-10-08: 310 OI2026-10-09: 321 OI2026-10-14: 322 OI2026-10-15: 322 OI2026-10-16: 319 OI2026-10-21: 320 OI2026-10-23: 320 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, 2026Viewing3200
Oct 21, 2026320+1
Oct 16, 2026319-3
Oct 15, 20263220
Oct 14, 2026322+1
Oct 09, 2026321+11
Oct 08, 20263100
Oct 07, 2026310+2
Oct 06, 20263080
Oct 05, 2026308-1
Oct 02, 2026309No prior observation