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Contract OI history

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Nov 06, 2026 EXPIRATION

UNH $400.00 Put

UNH261106P00400000

Latest saved OI134Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $400.00 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. 134670 2026-10-02: 12 OI2026-10-05: 12 OI2026-10-06: 12 OI2026-10-07: 13 OI2026-10-08: 13 OI2026-10-09: 43 OI2026-10-14: 49 OI2026-10-15: 57 OI2026-10-16: 63 OI2026-10-21: 133 OI2026-10-23: 134 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, 2026Viewing134+1
Oct 21, 2026133+70
Oct 16, 202663+6
Oct 15, 202657+8
Oct 14, 202649+6
Oct 09, 202643+30
Oct 08, 2026130
Oct 07, 202613+1
Oct 06, 2026120
Oct 05, 2026120
Oct 02, 202612No prior observation