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Contract OI history

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Dec 18, 2026 EXPIRATION

VLO $350.00 Put

VLO261218P00350000

Latest saved OI1,150Oct 23, 2026
Last change+31vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $350.00 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. 1,1505750 2026-10-02: 780 OI2026-10-05: 783 OI2026-10-06: 790 OI2026-10-07: 800 OI2026-10-08: 800 OI2026-10-09: 1,057 OI2026-10-14: 1,057 OI2026-10-15: 1,111 OI2026-10-16: 1,112 OI2026-10-21: 1,119 OI2026-10-23: 1,150 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, 2026Viewing1,150+31
Oct 21, 20261,119+7
Oct 16, 20261,112+1
Oct 15, 20261,111+54
Oct 14, 20261,0570
Oct 09, 20261,057+257
Oct 08, 20268000
Oct 07, 2026800+10
Oct 06, 2026790+7
Oct 05, 2026783+3
Oct 02, 2026780No prior observation