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Contract OI history

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Jan 21, 2028 EXPIRATION

VST $320.00 Call

VST280121C00320000

Latest saved OI829Oct 23, 2026
Last change-7vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $320.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8364180 2026-10-02: 823 OI2026-10-05: 823 OI2026-10-06: 817 OI2026-10-07: 825 OI2026-10-08: 825 OI2026-10-09: 835 OI2026-10-14: 833 OI2026-10-15: 833 OI2026-10-16: 834 OI2026-10-21: 836 OI2026-10-23: 829 OI Oct 02, 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, 2026Viewing829-7
Oct 21, 2026836+2
Oct 16, 2026834+1
Oct 15, 20268330
Oct 14, 2026833-2
Oct 09, 2026835+10
Oct 08, 20268250
Oct 07, 2026825+8
Oct 06, 2026817-6
Oct 05, 20268230
Oct 02, 2026823No prior observation