OITracker Cboe delayed data

Contract OI history

Back to UNH

Dec 15, 2028 EXPIRATION

UNH $210.00 Put

UNH281215P00210000

Latest saved OI473Oct 23, 2026
Last change-14vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $210.00 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. 6103050 2026-10-02: 609 OI2026-10-05: 609 OI2026-10-06: 610 OI2026-10-07: 610 OI2026-10-08: 610 OI2026-10-09: 609 OI2026-10-14: 602 OI2026-10-15: 602 OI2026-10-16: 602 OI2026-10-21: 487 OI2026-10-23: 473 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, 2026Viewing473-14
Oct 21, 2026487-115
Oct 16, 20266020
Oct 15, 20266020
Oct 14, 2026602-7
Oct 09, 2026609-1
Oct 08, 20266100
Oct 07, 20266100
Oct 06, 2026610+1
Oct 05, 20266090
Oct 02, 2026609No prior observation