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Contract OI history

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Oct 23, 2026 EXPIRATION

VLO $350.00 Put

VLO261023P00350000

Latest saved OI199Oct 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 $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. 2211100 2026-10-02: 204 OI2026-10-05: 204 OI2026-10-06: 219 OI2026-10-07: 221 OI2026-10-08: 221 OI2026-10-09: 208 OI2026-10-14: 187 OI2026-10-15: 187 OI2026-10-16: 187 OI2026-10-21: 198 OI2026-10-23: 199 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, 2026Viewing199+1
Oct 21, 2026198+11
Oct 16, 20261870
Oct 15, 20261870
Oct 14, 2026187-21
Oct 09, 2026208-13
Oct 08, 20262210
Oct 07, 2026221+2
Oct 06, 2026219+15
Oct 05, 20262040
Oct 02, 2026204No prior observation