OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

UNH $220.00 Put

UNH270115P00220000

Latest saved OI1,739Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $220.00 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. 1,7438710 2026-10-02: 1,742 OI2026-10-05: 1,743 OI2026-10-06: 1,743 OI2026-10-07: 1,742 OI2026-10-08: 1,742 OI2026-10-09: 1,742 OI2026-10-14: 1,739 OI2026-10-15: 1,739 OI2026-10-16: 1,739 OI2026-10-21: 1,739 OI2026-10-23: 1,739 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, 2026Viewing1,7390
Oct 21, 20261,7390
Oct 16, 20261,7390
Oct 15, 20261,7390
Oct 14, 20261,739-3
Oct 09, 20261,7420
Oct 08, 20261,7420
Oct 07, 20261,742-1
Oct 06, 20261,7430
Oct 05, 20261,743+1
Oct 02, 20261,742No prior observation