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OMER
Omeros Corporation
stock NASDAQ

At Close
Dec 5, 2025 3:59:56 PM EST
10.86USD-1.541%(-0.17)1,034,969
0.00Bid   0.00Ask   0.00Spread
Pre-market
Dec 5, 2025 9:25:30 AM EST
11.03USD0.000%(0.00)14,352
After-hours
Dec 5, 2025 4:29:30 PM EST
10.87USD+0.092%(+0.01)908
OverviewOption ChainMax PainOptionsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)Short Interest - DailyTrendsNewsMore
for Daily Short Interest
OMER Short Interest (SI) Latest - Official
As of 2025-11-14, there were 13,353,498 shares short with a short interest of 20.43%.

OMER Short Interest - Official
 

OMER Short Position Change - Official
 
OMER 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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