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Contract OI history

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Mar 19, 2027 EXPIRATION

VSTM $15.00 Call

VSTM270319C00015000

Latest saved OI50Oct 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 $15.00 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. 50250 2026-10-08: 8 OI2026-10-09: 9 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-15: 11 OI2026-10-16: 11 OI2026-10-21: 50 OI2026-10-23: 50 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, 2026500
Oct 21, 2026Viewing50+39
Oct 16, 2026110
Oct 15, 2026110
Oct 14, 2026110
Oct 13, 202611+2
Oct 09, 20269+1
Oct 08, 20268No prior observation