OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

UNH $400.00 Put

UNH270617P00400000

Latest saved OI1,126Oct 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 $400.00 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. 1,2046020 2026-10-02: 1,202 OI2026-10-05: 1,204 OI2026-10-06: 1,199 OI2026-10-07: 1,199 OI2026-10-08: 1,199 OI2026-10-09: 1,176 OI2026-10-14: 1,186 OI2026-10-15: 1,174 OI2026-10-16: 1,134 OI2026-10-21: 1,111 OI2026-10-23: 1,126 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, 2026Viewing1,126+15
Oct 21, 20261,111-23
Oct 16, 20261,134-40
Oct 15, 20261,174-12
Oct 14, 20261,186+10
Oct 09, 20261,176-23
Oct 08, 20261,1990
Oct 07, 20261,1990
Oct 06, 20261,199-5
Oct 05, 20261,204+2
Oct 02, 20261,202No prior observation