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Contract OI history

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Dec 17, 2027 EXPIRATION

UNH $310.00 Put

UNH271217P00310000

Latest saved OI704Oct 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 $310.00 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. 7103550 2026-10-02: 685 OI2026-10-05: 685 OI2026-10-06: 685 OI2026-10-07: 685 OI2026-10-08: 685 OI2026-10-09: 703 OI2026-10-14: 710 OI2026-10-15: 709 OI2026-10-16: 707 OI2026-10-21: 705 OI2026-10-23: 704 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, 2026Viewing704-1
Oct 21, 2026705-2
Oct 16, 2026707-2
Oct 15, 2026709-1
Oct 14, 2026710+7
Oct 09, 2026703+18
Oct 08, 20266850
Oct 07, 20266850
Oct 06, 20266850
Oct 05, 20266850
Oct 02, 2026685No prior observation