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Contract OI history

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Jan 15, 2027 EXPIRATION

VLO $300.00 Put

VLO270115P00300000

Latest saved OI366Oct 23, 2026
Last change-11vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VLO $300.00 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. 3771880 2026-10-02: 260 OI2026-10-05: 260 OI2026-10-06: 273 OI2026-10-07: 273 OI2026-10-08: 273 OI2026-10-09: 354 OI2026-10-14: 355 OI2026-10-15: 350 OI2026-10-16: 352 OI2026-10-21: 377 OI2026-10-23: 366 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, 2026Viewing366-11
Oct 21, 2026377+25
Oct 16, 2026352+2
Oct 15, 2026350-5
Oct 14, 2026355+1
Oct 09, 2026354+81
Oct 08, 20262730
Oct 07, 20262730
Oct 06, 2026273+13
Oct 05, 20262600
Oct 02, 2026260No prior observation