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Contract OI history

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Nov 20, 2026 EXPIRATION

VST $143.00 Put

VST261120P00143000

Latest saved OI53Oct 23, 2026
Last change+51vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $143.00 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 53260 2026-10-21: 2 OI2026-10-23: 53 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, 202653+51
Oct 21, 2026Viewing2No prior observation