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Contract OI history

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Dec 18, 2026 EXPIRATION

UNH $380.00 Put

UNH261218P00380000

Latest saved OI2,126Oct 23, 2026
Last change+59vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $380.00 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. 2,1261,0630 2026-10-02: 1,159 OI2026-10-05: 1,174 OI2026-10-06: 1,209 OI2026-10-07: 1,253 OI2026-10-08: 1,253 OI2026-10-09: 1,280 OI2026-10-14: 1,764 OI2026-10-15: 1,763 OI2026-10-16: 1,717 OI2026-10-21: 2,067 OI2026-10-23: 2,126 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, 2026Viewing2,126+59
Oct 21, 20262,067+350
Oct 16, 20261,717-46
Oct 15, 20261,763-1
Oct 14, 20261,764+484
Oct 09, 20261,280+27
Oct 08, 20261,2530
Oct 07, 20261,253+44
Oct 06, 20261,209+35
Oct 05, 20261,174+15
Oct 02, 20261,159No prior observation