OITracker Cboe delayed data

Contract OI history

Back to UNH

Oct 30, 2026 EXPIRATION

UNH $377.50 Put

UNH261030P00377500

Latest saved OI219Oct 23, 2026
Last change-14vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
UNH $377.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2331160 2026-10-09: 0 OI2026-10-14: 85 OI2026-10-15: 72 OI2026-10-16: 73 OI2026-10-21: 233 OI2026-10-23: 219 OI Oct 09, 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, 2026Viewing219-14
Oct 21, 2026233+160
Oct 16, 202673+1
Oct 15, 202672-13
Oct 14, 202685+85
Oct 09, 20260No prior observation