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Contract OI history

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Dec 18, 2026 EXPIRATION

UNH $180.00 Put

UNH261218P00180000

Latest saved OI128Oct 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 $180.00 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. 132660 2026-10-02: 121 OI2026-10-05: 120 OI2026-10-06: 121 OI2026-10-07: 123 OI2026-10-08: 123 OI2026-10-09: 132 OI2026-10-14: 129 OI2026-10-15: 128 OI2026-10-16: 128 OI2026-10-21: 128 OI2026-10-23: 128 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, 2026Viewing1280
Oct 21, 20261280
Oct 16, 20261280
Oct 15, 2026128-1
Oct 14, 2026129-3
Oct 09, 2026132+9
Oct 08, 20261230
Oct 07, 2026123+2
Oct 06, 2026121+1
Oct 05, 2026120-1
Oct 02, 2026121No prior observation