OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

UNH $400.00 Call

UNH280121C00400000

Latest saved OI1,410Oct 23, 2026
Last change-9vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $400.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,4267130 2026-10-02: 1,387 OI2026-10-05: 1,390 OI2026-10-06: 1,403 OI2026-10-07: 1,407 OI2026-10-08: 1,407 OI2026-10-09: 1,424 OI2026-10-14: 1,417 OI2026-10-15: 1,426 OI2026-10-16: 1,419 OI2026-10-21: 1,419 OI2026-10-23: 1,410 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, 2026Viewing1,410-9
Oct 21, 20261,4190
Oct 16, 20261,419-7
Oct 15, 20261,426+9
Oct 14, 20261,417-7
Oct 09, 20261,424+17
Oct 08, 20261,4070
Oct 07, 20261,407+4
Oct 06, 20261,403+13
Oct 05, 20261,390+3
Oct 02, 20261,387No prior observation