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Contract OI history

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Dec 17, 2027 EXPIRATION

UNH $320.00 Put

UNH271217P00320000

Latest saved OI699Oct 23, 2026
Last change+2vs 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. 6993490 2026-10-02: 637 OI2026-10-05: 637 OI2026-10-06: 638 OI2026-10-07: 638 OI2026-10-08: 638 OI2026-10-09: 634 OI2026-10-14: 635 OI2026-10-15: 615 OI2026-10-16: 695 OI2026-10-21: 697 OI2026-10-23: 699 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, 2026Viewing699+2
Oct 21, 2026697+2
Oct 16, 2026695+80
Oct 15, 2026615-20
Oct 14, 2026635+1
Oct 09, 2026634-4
Oct 08, 20266380
Oct 07, 20266380
Oct 06, 2026638+1
Oct 05, 20266370
Oct 02, 2026637No prior observation