OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

VSTM $9.00 Call

VSTM261120C00009000

Latest saved OI1,464Oct 23, 2026
Last change-78vs 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. 4,7402,3700 2026-10-08: 3,015 OI2026-10-09: 3,015 OI2026-10-13: 3,016 OI2026-10-14: 3,026 OI2026-10-15: 4,740 OI2026-10-16: 1,915 OI2026-10-21: 1,542 OI2026-10-23: 1,464 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, 2026Viewing1,464-78
Oct 21, 20261,542-373
Oct 16, 20261,915-2,825
Oct 15, 20264,740+1,714
Oct 14, 20263,026+10
Oct 13, 20263,016+1
Oct 09, 20263,0150
Oct 08, 20263,015No prior observation