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Contract OI history

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Dec 18, 2026 EXPIRATION

VSTM $5.00 Put

VSTM261218P00005000

Latest saved OI709Oct 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 $5.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 7733860 2026-10-08: 773 OI2026-10-09: 773 OI2026-10-13: 773 OI2026-10-14: 773 OI2026-10-15: 773 OI2026-10-16: 727 OI2026-10-21: 709 OI2026-10-23: 709 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, 20267090
Oct 21, 2026Viewing709-18
Oct 16, 2026727-46
Oct 15, 20267730
Oct 14, 20267730
Oct 13, 20267730
Oct 09, 20267730
Oct 08, 2026773No prior observation