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Contract OI history

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Jan 21, 2028 EXPIRATION

UNH $450.00 Put

UNH280121P00450000

Latest saved OI130Oct 23, 2026
Last change+2vs 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. 135670 2026-10-02: 134 OI2026-10-05: 134 OI2026-10-06: 135 OI2026-10-07: 135 OI2026-10-08: 135 OI2026-10-09: 135 OI2026-10-14: 131 OI2026-10-15: 132 OI2026-10-16: 128 OI2026-10-21: 128 OI2026-10-23: 130 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, 2026Viewing130+2
Oct 21, 20261280
Oct 16, 2026128-4
Oct 15, 2026132+1
Oct 14, 2026131-4
Oct 09, 20261350
Oct 08, 20261350
Oct 07, 20261350
Oct 06, 2026135+1
Oct 05, 20261340
Oct 02, 2026134No prior observation