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Contract OI history

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Dec 18, 2026 EXPIRATION

VLO $330.00 Put

VLO261218P00330000

Latest saved OI296Oct 23, 2026
Last change+8vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $330.00 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. 2961480 2026-10-02: 254 OI2026-10-05: 249 OI2026-10-06: 250 OI2026-10-07: 254 OI2026-10-08: 254 OI2026-10-09: 284 OI2026-10-14: 292 OI2026-10-15: 291 OI2026-10-16: 288 OI2026-10-21: 288 OI2026-10-23: 296 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, 2026Viewing296+8
Oct 21, 20262880
Oct 16, 2026288-3
Oct 15, 2026291-1
Oct 14, 2026292+8
Oct 09, 2026284+30
Oct 08, 20262540
Oct 07, 2026254+4
Oct 06, 2026250+1
Oct 05, 2026249-5
Oct 02, 2026254No prior observation