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FAST
Fastenal Co
stock NASDAQ

At Close
Sep 16, 2025 3:59:57 PM EDT
47.23USD-1.110%(-0.53)5,578,694
47.23Bid   47.24Ask   0.01Spread
Pre-market
Sep 16, 2025 9:25:30 AM EDT
47.75USD-0.021%(-0.01)450
After-hours
Sep 16, 2025 4:23:30 PM EDT
47.25USD+0.042%(+0.02)45,266
OverviewOption ChainMax PainOptionsPrice & VolumeSplitsDividendsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)Short Interest - DailyTrendsNewsMore
for Daily Short Interest
FAST Short Interest (SI) Latest - Official
As of 2025-08-29, there were 25,224,369 shares short with a short interest of 2.20%.

FAST Short Interest - Official
 

FAST Short Position Change - Official
 
FAST 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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