OITracker Cboe delayed data

Contract OI history

Back to UNF

Dec 18, 2026 EXPIRATION

UNF $240.00 Put

UNF261218P00240000

Latest saved OI563Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
UNF $240.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5632810 2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 505 OI2026-10-14: 536 OI2026-10-16: 563 OI2026-10-21: 563 OI2026-10-23: 563 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

UNF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5630
Oct 21, 20265630
Oct 16, 2026563+27
Oct 14, 2026536+31
Oct 13, 2026505+505
Oct 09, 202600
Oct 08, 20260No prior observation