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Contract OI history

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Mar 19, 2027 EXPIRATION

VLO $440.00 Put

VLO270319P00440000

Latest saved OI406Oct 23, 2026
Last change-1vs 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. 4262130 2026-10-02: 6 OI2026-10-05: 6 OI2026-10-06: 20 OI2026-10-07: 20 OI2026-10-08: 20 OI2026-10-09: 113 OI2026-10-14: 146 OI2026-10-15: 426 OI2026-10-16: 422 OI2026-10-21: 407 OI2026-10-23: 406 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, 2026Viewing406-1
Oct 21, 2026407-15
Oct 16, 2026422-4
Oct 15, 2026426+280
Oct 14, 2026146+33
Oct 09, 2026113+93
Oct 08, 2026200
Oct 07, 2026200
Oct 06, 202620+14
Oct 05, 202660
Oct 02, 20266No prior observation