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Contract OI history

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Oct 30, 2026 EXPIRATION

VST $138.00 Put

VST261030P00138000

Latest saved OI144Oct 23, 2026
Last change+31vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $138.00 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 144720 2026-10-15: 0 OI2026-10-16: 30 OI2026-10-21: 113 OI2026-10-23: 144 OI Oct 15, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

VST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026144+31
Oct 21, 2026Viewing113+83
Oct 16, 202630+30
Oct 15, 20260No prior observation