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Contract OI history

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Oct 23, 2026 EXPIRATION

VLO $400.00 Put

VLO261023P00400000

Latest saved OI505Oct 23, 2026
Last change+105vs 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. 5052520 2026-10-02: 39 OI2026-10-05: 39 OI2026-10-06: 159 OI2026-10-07: 145 OI2026-10-08: 145 OI2026-10-09: 155 OI2026-10-14: 195 OI2026-10-15: 209 OI2026-10-16: 208 OI2026-10-21: 400 OI2026-10-23: 505 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, 2026Viewing505+105
Oct 21, 2026400+192
Oct 16, 2026208-1
Oct 15, 2026209+14
Oct 14, 2026195+40
Oct 09, 2026155+10
Oct 08, 20261450
Oct 07, 2026145-14
Oct 06, 2026159+120
Oct 05, 2026390
Oct 02, 202639No prior observation