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Contract OI history

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Mar 19, 2027 EXPIRATION

VLO $400.00 Call

VLO270319C00400000

Latest saved OI332Oct 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 $400.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3351670 2026-10-02: 87 OI2026-10-05: 185 OI2026-10-06: 335 OI2026-10-07: 334 OI2026-10-08: 334 OI2026-10-09: 334 OI2026-10-14: 333 OI2026-10-15: 333 OI2026-10-16: 334 OI2026-10-21: 333 OI2026-10-23: 332 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, 2026Viewing332-1
Oct 21, 2026333-1
Oct 16, 2026334+1
Oct 15, 20263330
Oct 14, 2026333-1
Oct 09, 20263340
Oct 08, 20263340
Oct 07, 2026334-1
Oct 06, 2026335+150
Oct 05, 2026185+98
Oct 02, 202687No prior observation