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Contract OI history

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Jun 17, 2027 EXPIRATION

VLO $340.00 Put

VLO270617P00340000

Latest saved OI520Oct 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 $340.00 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. 5242620 2026-10-02: 498 OI2026-10-05: 504 OI2026-10-06: 504 OI2026-10-07: 504 OI2026-10-08: 504 OI2026-10-09: 524 OI2026-10-14: 524 OI2026-10-15: 519 OI2026-10-16: 519 OI2026-10-21: 519 OI2026-10-23: 520 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, 2026Viewing520+1
Oct 21, 20265190
Oct 16, 20265190
Oct 15, 2026519-5
Oct 14, 20265240
Oct 09, 2026524+20
Oct 08, 20265040
Oct 07, 20265040
Oct 06, 20265040
Oct 05, 2026504+6
Oct 02, 2026498No prior observation