OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

UNH $310.00 Put

UNH261120P00310000

Latest saved OI1,342Oct 23, 2026
Last change-4vs 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. 1,3466730 2026-10-02: 786 OI2026-10-05: 788 OI2026-10-06: 797 OI2026-10-07: 795 OI2026-10-08: 795 OI2026-10-09: 992 OI2026-10-14: 998 OI2026-10-15: 990 OI2026-10-16: 965 OI2026-10-21: 1,346 OI2026-10-23: 1,342 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, 2026Viewing1,342-4
Oct 21, 20261,346+381
Oct 16, 2026965-25
Oct 15, 2026990-8
Oct 14, 2026998+6
Oct 09, 2026992+197
Oct 08, 20267950
Oct 07, 2026795-2
Oct 06, 2026797+9
Oct 05, 2026788+2
Oct 02, 2026786No prior observation