OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

UNH $320.00 Put

UNH270115P00320000

Latest saved OI3,027Oct 23, 2026
Last change+24vs 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. 3,0271,5130 2026-10-02: 2,485 OI2026-10-05: 2,562 OI2026-10-06: 2,582 OI2026-10-07: 2,580 OI2026-10-08: 2,580 OI2026-10-09: 2,626 OI2026-10-14: 2,536 OI2026-10-15: 2,696 OI2026-10-16: 2,725 OI2026-10-21: 3,003 OI2026-10-23: 3,027 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, 2026Viewing3,027+24
Oct 21, 20263,003+278
Oct 16, 20262,725+29
Oct 15, 20262,696+160
Oct 14, 20262,536-90
Oct 09, 20262,626+46
Oct 08, 20262,5800
Oct 07, 20262,580-2
Oct 06, 20262,582+20
Oct 05, 20262,562+77
Oct 02, 20262,485No prior observation