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Contract OI history

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Dec 18, 2026 EXPIRATION

VSTM $9.00 Call

VSTM261218C00009000

Latest saved OI141Oct 23, 2026
Last change+3vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
VSTM $9.00 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. 141700 2026-10-08: 8 OI2026-10-09: 8 OI2026-10-13: 8 OI2026-10-14: 8 OI2026-10-15: 8 OI2026-10-16: 138 OI2026-10-21: 138 OI2026-10-23: 141 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, 2026141+3
Oct 21, 2026Viewing1380
Oct 16, 2026138+130
Oct 15, 202680
Oct 14, 202680
Oct 13, 202680
Oct 09, 202680
Oct 08, 20268No prior observation