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Contract OI history

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Dec 18, 2026 EXPIRATION

VLO $420.00 Put

VLO261218P00420000

Latest saved OI144Oct 23, 2026
Last change+12vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $420.00 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. 144720 2026-10-02: 52 OI2026-10-05: 52 OI2026-10-06: 87 OI2026-10-07: 114 OI2026-10-08: 114 OI2026-10-09: 117 OI2026-10-14: 121 OI2026-10-15: 127 OI2026-10-16: 132 OI2026-10-21: 132 OI2026-10-23: 144 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, 2026Viewing144+12
Oct 21, 20261320
Oct 16, 2026132+5
Oct 15, 2026127+6
Oct 14, 2026121+4
Oct 09, 2026117+3
Oct 08, 20261140
Oct 07, 2026114+27
Oct 06, 202687+35
Oct 05, 2026520
Oct 02, 202652No prior observation