OITracker Cboe delayed data

Contract OI history

Back to VLO

Dec 18, 2026 EXPIRATION

VLO $380.00 Put

VLO261218P00380000

Latest saved OI718Oct 23, 2026
Last change+17vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $380.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7183590 2026-10-02: 589 OI2026-10-05: 589 OI2026-10-06: 597 OI2026-10-07: 600 OI2026-10-08: 600 OI2026-10-09: 629 OI2026-10-14: 711 OI2026-10-15: 711 OI2026-10-16: 711 OI2026-10-21: 701 OI2026-10-23: 718 OI Oct 02, 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, 2026Viewing718+17
Oct 21, 2026701-10
Oct 16, 20267110
Oct 15, 20267110
Oct 14, 2026711+82
Oct 09, 2026629+29
Oct 08, 20266000
Oct 07, 2026600+3
Oct 06, 2026597+8
Oct 05, 20265890
Oct 02, 2026589No prior observation