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CERS
Cerus Corp
stock NASDAQ

At Close
Feb 27, 2026 3:59:59 PM EST
2.57USD-1.154%(-0.03)2,005,762
0.00Bid   0.00Ask   0.00Spread
Pre-market
Feb 27, 2026 9:19:30 AM EST
2.60USD0.000%(0.00)600
After-hours
Feb 26, 2026 4:36:30 PM EST
2.61USD0.000%(0.00)0
OverviewOption ChainMax PainOptionsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)Short InterestTrendsNewsMore
for Daily Short Interest
CERS Short Interest (SI) Latest - Official
As of 2026-02-13, there were 7,818,308 shares short with a short interest of 4.42%.

CERS Short Interest - Official
 

CERS Short Position Change - Official
 
CERS 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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