OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

UNH $340.00 Put

UNH261120P00340000

Latest saved OI2,745Oct 23, 2026
Last change-75vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $340.00 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. 3,2021,6010 2026-10-02: 2,910 OI2026-10-05: 2,962 OI2026-10-06: 3,116 OI2026-10-07: 3,137 OI2026-10-08: 3,137 OI2026-10-09: 3,125 OI2026-10-14: 3,202 OI2026-10-15: 2,965 OI2026-10-16: 2,875 OI2026-10-21: 2,820 OI2026-10-23: 2,745 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, 2026Viewing2,745-75
Oct 21, 20262,820-55
Oct 16, 20262,875-90
Oct 15, 20262,965-237
Oct 14, 20263,202+77
Oct 09, 20263,125-12
Oct 08, 20263,1370
Oct 07, 20263,137+21
Oct 06, 20263,116+154
Oct 05, 20262,962+52
Oct 02, 20262,910No prior observation