OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

UNH $330.00 Put

UNH280121P00330000

Latest saved OI875Oct 23, 2026
Last change-6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $330.00 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. 8854420 2026-10-02: 624 OI2026-10-05: 624 OI2026-10-06: 625 OI2026-10-07: 661 OI2026-10-08: 661 OI2026-10-09: 758 OI2026-10-14: 885 OI2026-10-15: 883 OI2026-10-16: 883 OI2026-10-21: 881 OI2026-10-23: 875 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, 2026Viewing875-6
Oct 21, 2026881-2
Oct 16, 20268830
Oct 15, 2026883-2
Oct 14, 2026885+127
Oct 09, 2026758+97
Oct 08, 20266610
Oct 07, 2026661+36
Oct 06, 2026625+1
Oct 05, 20266240
Oct 02, 2026624No prior observation