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Contract OI history

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Dec 18, 2026 EXPIRATION

VSTM $4.00 Call

VSTM261218C00004000

Latest saved OI47Oct 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. 57280 2026-10-08: 57 OI2026-10-09: 57 OI2026-10-13: 47 OI2026-10-14: 47 OI2026-10-15: 47 OI2026-10-16: 47 OI2026-10-21: 47 OI2026-10-23: 47 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, 2026470
Oct 21, 2026Viewing470
Oct 16, 2026470
Oct 15, 2026470
Oct 14, 2026470
Oct 13, 202647-10
Oct 09, 2026570
Oct 08, 202657No prior observation