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VSTM
Verastem, Inc.
stock NASDAQ

At Close
Sep 15, 2026 3:59:56 PM EDT
7.34USD-2.197%(-0.17)2,683,159
7.33Bid   7.35Ask   0.02Spread
Pre-market
Sep 14, 2026 9:23:30 AM EDT
7.35USD-2.130%(-0.16)0
After-hours
Sep 15, 2026 4:40:30 PM EDT
7.26USD-1.135%(-0.08)915
OverviewOption ChainMax PainOptionsPrice & VolumeSplitsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)Short InterestTrendsNewsMore
for Daily Short Interest
VSTM Short Interest (SI) Latest - Official
As of 2026-08-31, there were 18,298,315 shares short with a short interest of 26.00%.

VSTM Short Interest - Official
 

VSTM Short Position Change - Official
 
VSTM Short Interest - Official chartexchange.com
Historical data is split-adjusted.
1) Data from Finra. Finra publishes an updated file every two weeks.
2) Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.



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