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Contract OI history

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Dec 18, 2026 EXPIRATION

VLO $340.00 Put

VLO261218P00340000

Latest saved OI669Oct 23, 2026
Last change+7vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $340.00 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. 6793390 2026-10-02: 670 OI2026-10-05: 672 OI2026-10-06: 671 OI2026-10-07: 679 OI2026-10-08: 679 OI2026-10-09: 664 OI2026-10-14: 662 OI2026-10-15: 658 OI2026-10-16: 660 OI2026-10-21: 662 OI2026-10-23: 669 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, 2026Viewing669+7
Oct 21, 2026662+2
Oct 16, 2026660+2
Oct 15, 2026658-4
Oct 14, 2026662-2
Oct 09, 2026664-15
Oct 08, 20266790
Oct 07, 2026679+8
Oct 06, 2026671-1
Oct 05, 2026672+2
Oct 02, 2026670No prior observation