OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

UNH $240.00 Put

UNH261218P00240000

Latest saved OI4,375Oct 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 $240.00 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. 4,4172,2080 2026-10-02: 4,413 OI2026-10-05: 4,413 OI2026-10-06: 4,417 OI2026-10-07: 4,414 OI2026-10-08: 4,414 OI2026-10-09: 4,414 OI2026-10-14: 4,414 OI2026-10-15: 4,414 OI2026-10-16: 4,380 OI2026-10-21: 4,377 OI2026-10-23: 4,375 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, 2026Viewing4,375-2
Oct 21, 20264,377-3
Oct 16, 20264,380-34
Oct 15, 20264,4140
Oct 14, 20264,4140
Oct 09, 20264,4140
Oct 08, 20264,4140
Oct 07, 20264,414-3
Oct 06, 20264,417+4
Oct 05, 20264,4130
Oct 02, 20264,413No prior observation