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Contract OI history

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Dec 18, 2026 EXPIRATION

VST $220.00 Call

VST261218C00220000

Latest saved OI569Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $220.00 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. 5722860 2026-10-02: 384 OI2026-10-05: 384 OI2026-10-06: 386 OI2026-10-07: 413 OI2026-10-08: 413 OI2026-10-09: 413 OI2026-10-14: 416 OI2026-10-15: 572 OI2026-10-16: 570 OI2026-10-21: 570 OI2026-10-23: 569 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, 2026Viewing569-1
Oct 21, 20265700
Oct 16, 2026570-2
Oct 15, 2026572+156
Oct 14, 2026416+3
Oct 09, 20264130
Oct 08, 20264130
Oct 07, 2026413+27
Oct 06, 2026386+2
Oct 05, 20263840
Oct 02, 2026384No prior observation