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Contract OI history

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Jan 15, 2027 EXPIRATION

VLO $400.00 Put

VLO270115P00400000

Latest saved OI787Oct 23, 2026
Last change+54vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $400.00 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. 7873930 2026-10-02: 632 OI2026-10-05: 636 OI2026-10-06: 647 OI2026-10-07: 651 OI2026-10-08: 651 OI2026-10-09: 675 OI2026-10-14: 680 OI2026-10-15: 721 OI2026-10-16: 719 OI2026-10-21: 733 OI2026-10-23: 787 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, 2026Viewing787+54
Oct 21, 2026733+14
Oct 16, 2026719-2
Oct 15, 2026721+41
Oct 14, 2026680+5
Oct 09, 2026675+24
Oct 08, 20266510
Oct 07, 2026651+4
Oct 06, 2026647+11
Oct 05, 2026636+4
Oct 02, 2026632No prior observation