OITracker Cboe delayed data

Contract OI history

Back to UNH

Dec 18, 2026 EXPIRATION

UNH $350.00 Call

UNH261218C00350000

Latest saved OI1,343Oct 23, 2026
Last change-3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $350.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,3776880 2026-10-02: 1,338 OI2026-10-05: 1,333 OI2026-10-06: 1,343 OI2026-10-07: 1,359 OI2026-10-08: 1,359 OI2026-10-09: 1,361 OI2026-10-14: 1,377 OI2026-10-15: 1,362 OI2026-10-16: 1,345 OI2026-10-21: 1,346 OI2026-10-23: 1,343 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, 2026Viewing1,343-3
Oct 21, 20261,346+1
Oct 16, 20261,345-17
Oct 15, 20261,362-15
Oct 14, 20261,377+16
Oct 09, 20261,361+2
Oct 08, 20261,3590
Oct 07, 20261,359+16
Oct 06, 20261,343+10
Oct 05, 20261,333-5
Oct 02, 20261,338No prior observation