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Contract OI history

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Jan 21, 2028 EXPIRATION

VST $300.00 Call

VST280121C00300000

Latest saved OI181Oct 23, 2026
Last change-4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $300.00 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. 185920 2026-10-02: 133 OI2026-10-05: 132 OI2026-10-06: 161 OI2026-10-07: 175 OI2026-10-08: 175 OI2026-10-09: 183 OI2026-10-14: 184 OI2026-10-15: 184 OI2026-10-16: 184 OI2026-10-21: 185 OI2026-10-23: 181 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, 2026181-4
Oct 21, 2026Viewing185+1
Oct 16, 20261840
Oct 15, 20261840
Oct 14, 2026184+1
Oct 09, 2026183+8
Oct 08, 20261750
Oct 07, 2026175+14
Oct 06, 2026161+29
Oct 05, 2026132-1
Oct 02, 2026133No prior observation