OITracker Cboe delayed data

Contract OI history

Back to UNH

Dec 18, 2026 EXPIRATION

UNH $520.00 Call

UNH261218C00520000

Latest saved OI593Oct 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 $520.00 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. 5932960 2026-10-02: 529 OI2026-10-05: 533 OI2026-10-06: 533 OI2026-10-07: 533 OI2026-10-08: 533 OI2026-10-09: 533 OI2026-10-14: 532 OI2026-10-15: 532 OI2026-10-16: 529 OI2026-10-21: 590 OI2026-10-23: 593 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, 2026Viewing593+3
Oct 21, 2026590+61
Oct 16, 2026529-3
Oct 15, 20265320
Oct 14, 2026532-1
Oct 09, 20265330
Oct 08, 20265330
Oct 07, 20265330
Oct 06, 20265330
Oct 05, 2026533+4
Oct 02, 2026529No prior observation