OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

UNH $290.00 Put

UNH261120P00290000

Latest saved OI1,611Oct 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 $290.00 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. 1,6448220 2026-10-02: 1,535 OI2026-10-05: 1,524 OI2026-10-06: 1,479 OI2026-10-07: 1,485 OI2026-10-08: 1,485 OI2026-10-09: 1,552 OI2026-10-14: 1,643 OI2026-10-15: 1,644 OI2026-10-16: 1,644 OI2026-10-21: 1,611 OI2026-10-23: 1,611 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, 2026Viewing1,6110
Oct 21, 20261,611-33
Oct 16, 20261,6440
Oct 15, 20261,644+1
Oct 14, 20261,643+91
Oct 09, 20261,552+67
Oct 08, 20261,4850
Oct 07, 20261,485+6
Oct 06, 20261,479-45
Oct 05, 20261,524-11
Oct 02, 20261,535No prior observation