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Contract OI history

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Mar 19, 2027 EXPIRATION

VLO $230.00 Put

VLO270319P00230000

Latest saved OI166Oct 23, 2026
Last change+16vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $230.00 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. 166830 2026-10-02: 132 OI2026-10-05: 132 OI2026-10-06: 131 OI2026-10-07: 152 OI2026-10-08: 152 OI2026-10-09: 149 OI2026-10-14: 149 OI2026-10-15: 149 OI2026-10-16: 150 OI2026-10-21: 150 OI2026-10-23: 166 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, 2026Viewing166+16
Oct 21, 20261500
Oct 16, 2026150+1
Oct 15, 20261490
Oct 14, 20261490
Oct 09, 2026149-3
Oct 08, 20261520
Oct 07, 2026152+21
Oct 06, 2026131-1
Oct 05, 20261320
Oct 02, 2026132No prior observation