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Contract OI history

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Nov 20, 2026 EXPIRATION

VSTM $10.00 Call

VSTM261120C00010000

Latest saved OI443Oct 23, 2026
Last change+22vs 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. 4432210 2026-10-08: 69 OI2026-10-09: 69 OI2026-10-13: 69 OI2026-10-14: 69 OI2026-10-15: 161 OI2026-10-16: 190 OI2026-10-21: 421 OI2026-10-23: 443 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, 2026443+22
Oct 21, 2026Viewing421+231
Oct 16, 2026190+29
Oct 15, 2026161+92
Oct 14, 2026690
Oct 13, 2026690
Oct 09, 2026690
Oct 08, 202669No prior observation