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Contract OI history

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Nov 20, 2026 EXPIRATION

VLO $320.00 Put

VLO261120P00320000

Latest saved OI141Oct 23, 2026
Last change-4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $320.00 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. 187930 2026-10-02: 57 OI2026-10-05: 56 OI2026-10-06: 132 OI2026-10-07: 187 OI2026-10-08: 187 OI2026-10-09: 154 OI2026-10-14: 143 OI2026-10-15: 147 OI2026-10-16: 147 OI2026-10-21: 145 OI2026-10-23: 141 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, 2026Viewing141-4
Oct 21, 2026145-2
Oct 16, 20261470
Oct 15, 2026147+4
Oct 14, 2026143-11
Oct 09, 2026154-33
Oct 08, 20261870
Oct 07, 2026187+55
Oct 06, 2026132+76
Oct 05, 202656-1
Oct 02, 202657No prior observation