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Contract OI history

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Jan 21, 2028 EXPIRATION

VSTM $12.00 Call

VSTM280121C00012000

Latest saved OI568Oct 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 $12.00 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. 5712850 2026-10-08: 507 OI2026-10-09: 507 OI2026-10-13: 507 OI2026-10-14: 507 OI2026-10-15: 566 OI2026-10-16: 571 OI2026-10-21: 568 OI2026-10-23: 568 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, 20265680
Oct 21, 2026Viewing568-3
Oct 16, 2026571+5
Oct 15, 2026566+59
Oct 14, 20265070
Oct 13, 20265070
Oct 09, 20265070
Oct 08, 2026507No prior observation