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FAST
Fastenal Co
stock NASDAQ

At Close
Aug 6, 2026 3:59:58 PM EDT
50.83USD+1.670%(+0.84)8,697,253
47.57Bid   53.64Ask   6.07Spread
Pre-market
Aug 6, 2026 9:28:30 AM EDT
50.41USD+0.840%(+0.42)14,539
After-hours
Aug 6, 2026 4:19:30 PM EDT
50.77USD-0.107%(-0.05)100
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 2026-07-15, there were 31,475,902 shares short with a short interest of 2.75%.

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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