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Contract OI history

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Oct 23, 2026 EXPIRATION

UNH $377.50 Put

UNH261023P00377500

Latest saved OI451Oct 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 $377.50 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. 4542270 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 22 OI2026-10-08: 22 OI2026-10-09: 32 OI2026-10-14: 155 OI2026-10-15: 158 OI2026-10-16: 140 OI2026-10-21: 454 OI2026-10-23: 451 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, 2026Viewing451-3
Oct 21, 2026454+314
Oct 16, 2026140-18
Oct 15, 2026158+3
Oct 14, 2026155+123
Oct 09, 202632+10
Oct 08, 2026220
Oct 07, 202622+22
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation