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Contract OI history

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Dec 18, 2026 EXPIRATION

VLO $440.00 Put

VLO261218P00440000

Latest saved OI177Oct 23, 2026
Last change+6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $440.00 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. 181900 2026-10-02: 4 OI2026-10-05: 4 OI2026-10-06: 12 OI2026-10-07: 14 OI2026-10-08: 14 OI2026-10-09: 154 OI2026-10-14: 181 OI2026-10-15: 181 OI2026-10-16: 176 OI2026-10-21: 171 OI2026-10-23: 177 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, 2026Viewing177+6
Oct 21, 2026171-5
Oct 16, 2026176-5
Oct 15, 20261810
Oct 14, 2026181+27
Oct 09, 2026154+140
Oct 08, 2026140
Oct 07, 202614+2
Oct 06, 202612+8
Oct 05, 202640
Oct 02, 20264No prior observation