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FAST
Fastenal Co
stock NASDAQ

Market Open
Jul 31, 2026 2:25:44 PM EDT
47.37USD+1.500%(+0.70)3,164,011
47.37Bid   47.38Ask   0.01Spread
Pre-market
Jul 30, 2026 9:28:30 AM EDT
47.50USD-0.586%(-0.28)0
After-hours
Jul 30, 2026 4:30:30 PM EDT
46.56USD-0.225%(-0.11)0
OverviewOption ChainMax PainOptionsPrice & VolumeSplitsDividendsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)Short InterestTrendsNewsMore
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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