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Contract OI history

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Nov 20, 2026 EXPIRATION

VSTM $8.00 Call

VSTM261120C00008000

Latest saved OI144Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
VSTM $8.00 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. 144720 2026-10-08: 41 OI2026-10-09: 43 OI2026-10-13: 43 OI2026-10-14: 43 OI2026-10-15: 143 OI2026-10-16: 144 OI2026-10-21: 144 OI2026-10-23: 144 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, 2026Viewing1440
Oct 21, 20261440
Oct 16, 2026144+1
Oct 15, 2026143+100
Oct 14, 2026430
Oct 13, 2026430
Oct 09, 202643+2
Oct 08, 202641No prior observation