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Contract OI history

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Nov 20, 2026 EXPIRATION

VST $172.50 Call

VST261120C00172500

Latest saved OI657Oct 23, 2026
Last change+610vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $172.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 6573280 2026-10-21: 47 OI2026-10-23: 657 OI Oct 21, 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, 2026Viewing657+610
Oct 21, 202647No prior observation