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Contract OI history

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Dec 18, 2026 EXPIRATION

VSTM $10.00 Call

VSTM261218C00010000

Latest saved OI962Oct 23, 2026
Last change+125vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
VSTM $10.00 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 9624810 2026-10-08: 268 OI2026-10-09: 268 OI2026-10-13: 268 OI2026-10-14: 268 OI2026-10-15: 267 OI2026-10-16: 401 OI2026-10-21: 837 OI2026-10-23: 962 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

VSTM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing962+125
Oct 21, 2026837+436
Oct 16, 2026401+134
Oct 15, 2026267-1
Oct 14, 20262680
Oct 13, 20262680
Oct 09, 20262680
Oct 08, 2026268No prior observation