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Contract OI history

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Jan 15, 2027 EXPIRATION

VST $255.00 Call

VST270115C00255000

Latest saved OI875Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $255.00 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. 8754370 2026-10-02: 867 OI2026-10-05: 867 OI2026-10-06: 867 OI2026-10-07: 866 OI2026-10-08: 866 OI2026-10-09: 866 OI2026-10-14: 866 OI2026-10-15: 866 OI2026-10-16: 865 OI2026-10-21: 875 OI2026-10-23: 875 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, 20268750
Oct 21, 2026Viewing875+10
Oct 16, 2026865-1
Oct 15, 20268660
Oct 14, 20268660
Oct 09, 20268660
Oct 08, 20268660
Oct 07, 2026866-1
Oct 06, 20268670
Oct 05, 20268670
Oct 02, 2026867No prior observation