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Contract OI history

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Dec 18, 2026 EXPIRATION

VLO $280.00 Put

VLO261218P00280000

Latest saved OI326Oct 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 $280.00 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. 3281640 2026-10-02: 328 OI2026-10-05: 328 OI2026-10-06: 321 OI2026-10-07: 320 OI2026-10-08: 320 OI2026-10-09: 320 OI2026-10-14: 320 OI2026-10-15: 320 OI2026-10-16: 320 OI2026-10-21: 325 OI2026-10-23: 326 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, 2026Viewing326+1
Oct 21, 2026325+5
Oct 16, 20263200
Oct 15, 20263200
Oct 14, 20263200
Oct 09, 20263200
Oct 08, 20263200
Oct 07, 2026320-1
Oct 06, 2026321-7
Oct 05, 20263280
Oct 02, 2026328No prior observation