OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

UNH $280.00 Put

UNH271217P00280000

Latest saved OI1,344Oct 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 $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. 1,3506750 2026-10-02: 1,087 OI2026-10-05: 1,087 OI2026-10-06: 1,079 OI2026-10-07: 1,079 OI2026-10-08: 1,079 OI2026-10-09: 1,079 OI2026-10-14: 1,077 OI2026-10-15: 1,350 OI2026-10-16: 1,350 OI2026-10-21: 1,346 OI2026-10-23: 1,344 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, 2026Viewing1,344-2
Oct 21, 20261,346-4
Oct 16, 20261,3500
Oct 15, 20261,350+273
Oct 14, 20261,077-2
Oct 09, 20261,0790
Oct 08, 20261,0790
Oct 07, 20261,0790
Oct 06, 20261,079-8
Oct 05, 20261,0870
Oct 02, 20261,087No prior observation