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Contract OI history

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Jan 15, 2027 EXPIRATION

VSTM $4.00 Call

VSTM270115C00004000

Latest saved OI158Oct 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 $4.00 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. 158790 2026-10-08: 158 OI2026-10-09: 158 OI2026-10-13: 158 OI2026-10-14: 158 OI2026-10-15: 158 OI2026-10-16: 158 OI2026-10-21: 158 OI2026-10-23: 158 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, 20261580
Oct 21, 2026Viewing1580
Oct 16, 20261580
Oct 15, 20261580
Oct 14, 20261580
Oct 13, 20261580
Oct 09, 20261580
Oct 08, 2026158No prior observation