OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

UNH $280.00 Put

UNH280121P00280000

Latest saved OI1,812Oct 23, 2026
Last change-15vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $280.00 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. 1,8279130 2026-10-02: 1,824 OI2026-10-05: 1,824 OI2026-10-06: 1,824 OI2026-10-07: 1,823 OI2026-10-08: 1,823 OI2026-10-09: 1,823 OI2026-10-14: 1,818 OI2026-10-15: 1,817 OI2026-10-16: 1,826 OI2026-10-21: 1,827 OI2026-10-23: 1,812 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, 2026Viewing1,812-15
Oct 21, 20261,827+1
Oct 16, 20261,826+9
Oct 15, 20261,817-1
Oct 14, 20261,818-5
Oct 09, 20261,8230
Oct 08, 20261,8230
Oct 07, 20261,823-1
Oct 06, 20261,8240
Oct 05, 20261,8240
Oct 02, 20261,824No prior observation