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Contract OI history

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Mar 19, 2027 EXPIRATION

UNH $390.00 Put

UNH270319P00390000

Latest saved OI1,088Oct 23, 2026
Last change-14vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $390.00 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. 1,1025510 2026-10-02: 867 OI2026-10-05: 855 OI2026-10-06: 854 OI2026-10-07: 850 OI2026-10-08: 850 OI2026-10-09: 850 OI2026-10-14: 863 OI2026-10-15: 872 OI2026-10-16: 933 OI2026-10-21: 1,102 OI2026-10-23: 1,088 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, 2026Viewing1,088-14
Oct 21, 20261,102+169
Oct 16, 2026933+61
Oct 15, 2026872+9
Oct 14, 2026863+13
Oct 09, 20268500
Oct 08, 20268500
Oct 07, 2026850-4
Oct 06, 2026854-1
Oct 05, 2026855-12
Oct 02, 2026867No prior observation