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Contract OI history

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Nov 20, 2026 EXPIRATION

UNH $320.00 Put

UNH261120P00320000

Latest saved OI906Oct 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 $320.00 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. 9684840 2026-10-02: 719 OI2026-10-05: 730 OI2026-10-06: 801 OI2026-10-07: 809 OI2026-10-08: 809 OI2026-10-09: 869 OI2026-10-14: 933 OI2026-10-15: 968 OI2026-10-16: 921 OI2026-10-21: 909 OI2026-10-23: 906 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, 2026Viewing906-3
Oct 21, 2026909-12
Oct 16, 2026921-47
Oct 15, 2026968+35
Oct 14, 2026933+64
Oct 09, 2026869+60
Oct 08, 20268090
Oct 07, 2026809+8
Oct 06, 2026801+71
Oct 05, 2026730+11
Oct 02, 2026719No prior observation