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Contract OI history

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Dec 18, 2026 EXPIRATION

VST $230.00 Call

VST261218C00230000

Latest saved OI814Oct 23, 2026
Last change-46vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $230.00 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. 8724360 2026-10-02: 377 OI2026-10-05: 377 OI2026-10-06: 403 OI2026-10-07: 872 OI2026-10-08: 872 OI2026-10-09: 861 OI2026-10-14: 860 OI2026-10-15: 860 OI2026-10-16: 860 OI2026-10-21: 860 OI2026-10-23: 814 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, 2026Viewing814-46
Oct 21, 20268600
Oct 16, 20268600
Oct 15, 20268600
Oct 14, 2026860-1
Oct 09, 2026861-11
Oct 08, 20268720
Oct 07, 2026872+469
Oct 06, 2026403+26
Oct 05, 20263770
Oct 02, 2026377No prior observation