Federal Signal (FSS) Short Interest Ratio & Short Volume $106.53 +2.08 (+1.99%) As of 06/30/2025 03:58 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Federal Signal Short Interest DataFederal Signal (FSS) has a short interest of 5.14 million shares, representing 8.65% of the float (the number of shares available for trading by the public). This marks a 1.98% increase in short interest from the previous month. The short interest ratio (days to cover) is 9.5, indicating that it would take 9.5 days of the average trading volume of 452,495 shares to cover all short positions.Current Short Interest5,140,000 sharesPrevious Short Interest5,040,000 sharesChange Vs. Previous Month+1.98%Dollar Volume Sold Short$511.58 millionShort Interest Ratio9.5 Days to CoverLast Record DateJune 15, 2025Outstanding Shares60,970,000 sharesFloat Size59,400,000 sharesShort Percent of Float8.65%Today's Trading Volume624,052 sharesAverage Trading Volume452,495 sharesToday's Volume Vs. Average138% Short Selling Federal Signal? Sign up to receive the latest short interest report for Federal Signal and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartFSS Short Interest Over TimeFSS Days to Cover Over TimeFSS Percentage of Float Shorted Over Time Federal Signal Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/15/20255,140,000 shares $511.58 million +2.0%8.7%9.5 $99.53 5/31/20255,040,000 shares $474.36 million -2.7%8.5%8.5 $94.12 5/15/20255,180,000 shares $487.65 million +14.6%8.7%8 $94.14 4/30/20254,520,000 shares $368.24 million +8.7%7.6%7 $81.47 4/15/20254,160,000 shares $314.09 million +5.1%7.0%7.1 $75.50 3/31/20253,960,000 shares $291.10 million -5.7%6.7%7.1 $73.51 3/15/20254,200,000 shares $324.16 million +22.8%7.1%8.4 $77.18 2/28/20253,420,000 shares $277.13 million +10.0%5.7%7.8 $81.03 2/15/20253,110,000 shares $301.58 million +12.7%5.2%8.1 $96.97 1/31/20252,760,000 shares $271.50 million -6.4%4.7%7.1 $98.37 Get the Latest News and Ratings for FSS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Federal Signal and its competitors with MarketBeat's FREE daily newsletter. 1/15/20252,950,000 shares $282.58 million +16.1%4.9%7.1 $95.79 12/31/20242,540,000 shares $234.67 million -7.6%4.3%6.5 $92.39 12/15/20242,750,000 shares $265.29 million +3.8%4.6%7.2 $96.47 11/30/20242,650,000 shares $258.14 million +1.9%4.4%6.8 $97.41 11/15/20242,600,000 shares $232.15 million +42.1%4.4%6.6 $89.29 10/31/20241,830,000 shares $149.29 million +22.0%3.1%4.9 $81.58 10/15/20241,500,000 shares $139.89 million +7.9%2.5%4.3 $93.26 9/30/20241,390,000 shares $129.91 million +9.5%2.3%3.8 $93.46 9/15/20241,270,000 shares $110.46 million +21.0%2.1%3.5 $86.98 8/31/20241,050,000 shares $99.21 million +69.1%1.8%3 $94.49 8/15/2024621,100 shares $59.47 million -1.2%1.0%1.9 $95.75 7/31/2024628,400 shares $62.83 million -10.5%1.1%1.9 $99.99 7/15/2024702,000 shares $66.00 million +10.1%1.2%2.2 $94.01 6/30/2024637,700 shares $53.36 million +11.8%1.1%2.1 $83.67 6/15/2024570,300 shares $47.79 million -12.4%1.0%1.8 $83.80 5/31/2024651,000 shares $59.90 million +8.8%1.1%1.9 $92.01 5/15/2024598,300 shares $52.36 million -20.9%1.0%1.6 $87.52 4/30/2024756,000 shares $61.48 million +32.1%1.3%2 $81.32 4/15/2024572,400 shares $47.77 million -15.9%1.0%1.6 $83.46 3/31/2024680,500 shares $57.75 million -29.0%1.1%1.9 $84.87 3/15/2024958,000 shares $74.99 million +27.4%1.6%2.8 $78.28 2/29/2024752,000 shares $61.60 million +0.9%1.3%2.3 $81.91 2/15/2024745,100 shares $59.98 million -7.5%1.3%2.6 $80.50 1/31/2024805,400 shares $62.03 million +31.1%1.4%2.9 $77.02 1/15/2024614,400 shares $45.61 million -5.4%1.0%2.3 $74.23 12/31/2023649,300 shares $49.83 million -6.3%1.1%2.4 $76.74 12/15/2023692,600 shares $52.59 million No Change1.2%2.6 $75.93 11/30/2023692,600 shares $47.75 million +1.5%1.2%2.4 $68.94 11/15/2023682,600 shares $47.23 million +18.1%1.2%2.3 $69.19 10/31/2023578,100 shares $33.56 million -11.4%1.0%1.9 $58.06The mainstream media is wrong about AI — again (Ad)The mainstream media got it wrong … yet again. 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But as usual, there's one huge thing they missed.Click here to learn what everyone else missed. 10/15/2023652,500 shares $39.28 million -0.9%1.1%2.2 $60.20 9/30/2023658,100 shares $39.31 million -0.3%1.1%2.1 $59.73 9/15/2023659,900 shares $39.36 million +9.3%1.1%2.2 $59.65 8/31/2023604,000 shares $36.83 million +49.5%1.0%2 $60.98 8/15/2023404,100 shares $24.74 million -10.3%0.7%1.3 $61.23 7/31/2023450,700 shares $27.53 million -10.9%0.8%1.6 $61.09 7/15/2023506,000 shares $32.25 million -10.2%0.9%1.7 $63.74 6/30/2023563,600 shares $36.11 million -33.1%1.0%2 $64.07 6/15/2023841,900 shares $52.32 million +8.4%1.4%2.9 $62.14 5/31/2023776,500 shares $41.15 million -4.1%1.3%2.4 $52.99 5/15/2023809,900 shares $42.98 million -14.5%1.4%2.4 $53.07 4/30/2023946,700 shares $48.64 million -1.0%1.6%2.7 $51.38 4/15/2023956,100 shares $49.10 million +5.0%1.6%2.7 $51.35 3/31/2023910,800 shares $49.37 million +3.8%1.5%2.5 $54.21 3/15/2023877,500 shares $44.75 million +18.3%1.5%2.5 $51.00 2/28/2023741,800 shares $39.14 million -5.9%1.3%2.2 $52.77 2/15/2023788,000 shares $41.98 million -12.6%1.3%2.6 $53.27 1/31/2023902,000 shares $48.03 million +14.2%1.5%3.1 $53.25 1/15/2023789,600 shares $40.20 million -6.2%1.3%2.6 $50.91 12/30/2022841,800 shares $39.12 million +35.2%1.4%2.8 $46.47 12/15/2022622,700 shares $28.02 million -11.2%1.1%2 $44.99 11/30/2022701,200 shares $34.07 million -3.4%1.2%2.7 $48.59 11/15/2022725,800 shares $36.07 million -11.8%1.2%2.9 $49.70 10/31/2022822,800 shares $38.38 million -25.2%1.4%3.5 $46.65 10/15/20221,100,000 shares $46.41 million +19.8%1.9%5 $42.19 9/30/2022918,300 shares $34.27 million +4.8%1.6%4.6 $37.32 9/15/2022876,000 shares $34.11 million -3.0%1.5%4.3 $38.94 8/31/2022902,700 shares $35.99 million -15.6%1.5%3.7 $39.87 8/15/20221,070,000 shares $45.89 million -6.1%1.8%4.3 $42.89 7/31/20221,140,000 shares $47.33 million -9.5%1.9%4.3 $41.52 7/15/20221,260,000 shares $45.26 million +14.6%2.1%4.2 $35.92 6/30/20221,100,000 shares $39.16 million -15.4%1.9%3.3 $35.60 6/15/20221,300,000 shares $46.87 million +16.1%2.2%3.7 $36.05 5/31/20221,120,000 shares $39.31 million No Change1.9%3.4 $35.10 5/15/20221,120,000 shares $36.64 million +3.7%1.9%3 $32.71 4/30/20221,080,000 shares $36.75 million +30.5%1.8%2.9 $34.03 4/15/2022827,800 shares $27.58 million -13.9%1.4%2.4 $33.32 3/31/2022961,800 shares $32.46 million +8.3%1.6%3.1 $33.75 3/15/2022888,300 shares $29.94 million +23.4%1.5%3 $33.71 2/28/2022719,700 shares $25.99 million -4.1%1.2%2.4 $36.11 2/15/2022750,700 shares $28.56 million +33.2%1.3%2.8 $38.04 1/31/2022563,700 shares $22.00 million +30.0%1.0%2.1 $39.02 1/15/2022433,600 shares $18.14 million -17.5%0.7%1.7 $41.84 12/31/2021525,800 shares $22.79 million +2.2%0.9%2.2 $43.34 12/15/2021514,500 shares $22.45 million -6.5%0.9%2.1 $43.63 11/30/2021550,500 shares $23.36 million -4.0%0.9%2.6 $42.43 11/15/2021573,700 shares $27.52 million -22.3%1.0%2.9 $47.97 10/29/2021738,200 shares $31.60 million -9.7%1.2%4.1 $42.81 10/15/2021817,400 shares $33.81 million +0.8%1.4%4.8 $41.36 9/30/2021810,900 shares $31.32 million -7.4%1.4%4.7 $38.62The mainstream media is wrong about AI — again (Ad)The mainstream media got it wrong … yet again. 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But as usual, there's one huge thing they missed.Click here to learn what everyone else missed. 9/15/2021875,300 shares $34.01 million -0.1%1.5%4.9 $38.86 8/31/2021876,500 shares $35.61 million +6.5%1.5%5.1 $40.63 8/13/2021823,100 shares $32.55 million +14.9%1.4%4.7 $39.55 7/30/2021716,100 shares $28.36 million -3.1%1.2%3.8 $39.61 7/15/2021739,100 shares $28.82 million +2.5%1.3%3.5 $38.99 6/30/2021721,200 shares $29.01 million -22.0%1.2%3.2 $40.23 6/15/2021924,400 shares $37.81 million +0.5%1.6%4 $40.90 5/28/2021920,000 shares $39.08 million -1.5%1.6%3.9 $42.48 5/14/2021933,600 shares $39.53 million +6.3%1.6%3.6 $42.34 4/30/2021877,900 shares $36.61 million -11.1%1.5%3.3 $41.70 4/15/2021987,800 shares $38.64 million -4.1%1.7%3.8 $39.12 3/31/20211,030,000 shares $39.97 million +22.1%1.7%4.1 $38.81 3/15/2021843,600 shares $33.45 million -38.0%1.4%3.1 $39.65 2/26/20211,360,000 shares $49.72 million +11.5%2.3%4.9 $36.56 2/12/20211,220,000 shares $43.26 million No Change2.1%4.6 $35.46 1/29/20211,220,000 shares $40.31 million No Change2.1%4.4 $33.04 1/15/20211,220,000 shares $41.98 million -2.4%2.1%4.4 $34.41 12/31/20201,250,000 shares $40.96 million +31.7%2.1%4.7 $32.77 12/15/2020949,400 shares $31.21 million -16.0%1.6%3.3 $32.87 11/30/20201,130,000 shares $36.24 million +57.1%1.9%3.9 $32.07 11/15/2020719,500 shares $23.12 million -18.8%1.2%2.5 $32.14 10/30/2020886,300 shares $25.45 million +19.8%1.5%3.2 $28.71 10/15/2020740,000 shares $22.87 million +6.0%1.3%2.6 $30.90 9/30/2020698,300 shares $20.43 million -28.3%1.2%2.4 $29.25 9/15/2020974,100 shares $30.22 million -2.6%1.7%3.3 $31.02 8/31/20201,000,000 shares $32.12 million -7.4%1.7%3.5 $32.12 8/14/20201,080,000 shares $35.16 million +0.9%1.8%3.6 $32.56 7/31/20201,070,000 shares $33.07 million -7.8%1.8%3.3 $30.91 7/15/20201,160,000 shares $33.28 million -7.9%2.0%3.4 $28.69 FSS Short Interest - Frequently Asked Questions What is Federal Signal's current short interest? Short interest is the volume of Federal Signal shares that have been sold short but have not yet been closed out or covered. As of June 15th, traders have sold 5,140,000 shares of FSS short. 8.65% of Federal Signal's shares are currently sold short. Learn More on Federal Signal's current short interest. What is a good short interest ratio for Federal Signal? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. FSS shares currently have a short interest ratio of 10.0. Learn More on Federal Signal's short interest ratio. What is a good short interest percentage for Federal Signal? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 8.65% of Federal Signal's floating shares are currently sold short. Is Federal Signal's short interest increasing or decreasing? Federal Signal saw a increase in short interest in the month of June. As of June 15th, there was short interest totaling 5,140,000 shares, an increase of 2.0% from the previous total of 5,040,000 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. What is Federal Signal's float size? Federal Signal currently has issued a total of 60,970,000 shares. Some of Federal Signal's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Federal Signal currently has a public float of 59,400,000 shares. How does Federal Signal's short interest compare to its competitors? 8.65% of Federal Signal's shares are currently sold short. Here is how the short interest of companies compare to Federal Signal: CNH Industrial N.V. (5.92%), AGCO Corporation (6.25%), Oshkosh Corporation (3.19%), Toro Company (The) (2.99%), Terex Corporation (6.63%), Alamo Group, Inc. (3.80%), Trinity Industries, Inc. (3.24%), Lindsay Corporation (2.96%), Greenbrier Companies, Inc. (The) (5.38%), Astec Industries, Inc. (2.42%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($69.26 billion), Invesco QQQ ($25.22 billion), iShares Russell 2000 ETF ($20.33 billion), iShares 20+ Year Treasury Bond ETF ($9.99 billion), MicroStrategy Incorporated ($9.12 billion), Canadian Natural Resources Limited ($6.73 billion), SPDR S&P Biotech ETF ($6.52 billion), Invesco S&P 500 Equal Weight ETF ($5.60 billion), Financial Select Sector SPDR Fund ($4.64 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.59 billion). View all of the most shorted stocks. What does it mean to sell short Federal Signal stock? Short selling FSS is an investing strategy that aims to generate trading profit from Federal Signal as its price is falling. FSS shares are trading up $2.08 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against Federal Signal? A short squeeze for Federal Signal occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of FSS, which in turn drives the price of the stock up even further. How often is Federal Signal's short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including FSS, twice per month. The most recent reporting period available is June, 15 2025. More Short Interest Resources from MarketBeat Related Companies CNH Industrial Short Squeeze AGCO Short Squeeze Oshkosh Short Squeeze Toro Short Squeeze Terex Short Squeeze Alamo Group Short Squeeze Trinity Industries Short Squeeze Lindsay Short Squeeze Greenbrier Companies Short Squeeze Astec Industries Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:FSS) was last updated on 7/1/2025 by MarketBeat.com Staff From Our PartnersHow to Collect Up To $5,917/mo From Trump’s Made In USA BoomHow to Collect Up To $5,917/mo From Trump's Made In USA Boom Thanks to President Trump's America-First poli...Investors Alley | SponsoredThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | SponsoredPost-Halving = Profit Season (Here’s How to Win It)It happens like clockwork. 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In a single tariff announcement, he wiped out n...Porter & Company | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Federal Signal Corporation Please log in to your account or sign up in order to add this asset to your watchlist. Share Federal Signal With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. 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