OITracker Cboe delayed data

Contract OI history

Back to VLO

Oct 30, 2026 EXPIRATION

VLO $427.50 Put

VLO261030P00427500

Latest saved OI6Oct 23, 2026
Last change+4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $427.50 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. 630 2026-10-09: 0 OI2026-10-14: 2 OI2026-10-15: 2 OI2026-10-16: 2 OI2026-10-21: 2 OI2026-10-23: 6 OI Oct 09, 2026Oct 23, 2026

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

VLO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6+4
Oct 21, 202620
Oct 16, 202620
Oct 15, 202620
Oct 14, 20262+2
Oct 09, 20260No prior observation