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Contract OI history

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Dec 18, 2026 EXPIRATION

VLO $300.00 Put

VLO261218P00300000

Latest saved OI1,055Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $300.00 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. 1,0825410 2026-10-02: 1,082 OI2026-10-05: 1,081 OI2026-10-06: 1,061 OI2026-10-07: 1,048 OI2026-10-08: 1,048 OI2026-10-09: 1,068 OI2026-10-14: 1,069 OI2026-10-15: 1,062 OI2026-10-16: 1,060 OI2026-10-21: 1,053 OI2026-10-23: 1,055 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, 2026Viewing1,055+2
Oct 21, 20261,053-7
Oct 16, 20261,060-2
Oct 15, 20261,062-7
Oct 14, 20261,069+1
Oct 09, 20261,068+20
Oct 08, 20261,0480
Oct 07, 20261,048-13
Oct 06, 20261,061-20
Oct 05, 20261,081-1
Oct 02, 20261,082No prior observation