OITracker Cboe delayed data

Contract OI history

Back to UNH

Mar 19, 2027 EXPIRATION

UNH $370.00 Put

UNH270319P00370000

Latest saved OI1,334Oct 23, 2026
Last change-5vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $370.00 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. 1,3566780 2026-10-02: 1,217 OI2026-10-05: 1,205 OI2026-10-06: 1,263 OI2026-10-07: 1,267 OI2026-10-08: 1,267 OI2026-10-09: 1,280 OI2026-10-14: 1,356 OI2026-10-15: 1,303 OI2026-10-16: 1,350 OI2026-10-21: 1,339 OI2026-10-23: 1,334 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, 2026Viewing1,334-5
Oct 21, 20261,339-11
Oct 16, 20261,350+47
Oct 15, 20261,303-53
Oct 14, 20261,356+76
Oct 09, 20261,280+13
Oct 08, 20261,2670
Oct 07, 20261,267+4
Oct 06, 20261,263+58
Oct 05, 20261,205-12
Oct 02, 20261,217No prior observation