OITracker Cboe delayed data

Contract OI history

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Dec 15, 2028 EXPIRATION

UNH $300.00 Put

UNH281215P00300000

Latest saved OI769Oct 23, 2026
Last change-12vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $300.00 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. 8034010 2026-10-02: 753 OI2026-10-05: 753 OI2026-10-06: 779 OI2026-10-07: 780 OI2026-10-08: 780 OI2026-10-09: 780 OI2026-10-14: 803 OI2026-10-15: 799 OI2026-10-16: 795 OI2026-10-21: 781 OI2026-10-23: 769 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, 2026Viewing769-12
Oct 21, 2026781-14
Oct 16, 2026795-4
Oct 15, 2026799-4
Oct 14, 2026803+23
Oct 09, 20267800
Oct 08, 20267800
Oct 07, 2026780+1
Oct 06, 2026779+26
Oct 05, 20267530
Oct 02, 2026753No prior observation