Federal Signal (FSS) Short Interest Ratio & Short Volume $108.00 -0.24 (-0.22%) Closing price 03:58 PM EasternExtended Trading$107.70 -0.30 (-0.28%) As of 08:00 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. 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 4.77 million shares, representing 8.03% of the float (the number of shares available for trading by the public). This marks a -7.20% decrease in short interest from the previous month. The short interest ratio (days to cover) is 8.8, indicating that it would take 8.8 days of the average trading volume of 471,273 shares to cover all short positions.Current Short Interest4,770,000 sharesPrevious Short Interest5,140,000 sharesChange Vs. Previous Month-7.20%Dollar Volume Sold Short$508.15 millionShort Interest Ratio8.8 Days to CoverLast Record DateJune 30, 2025Outstanding Shares60,970,000 sharesFloat Size59,410,000 sharesShort Percent of Float8.03%Today's Trading Volume534,010 sharesAverage Trading Volume471,273 sharesToday's Volume Vs. Average113% 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 6/30/20254,770,000 shares $508.15 million -7.2%8.0%8.8 $106.53 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 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. 1/31/20252,760,000 shares $271.50 million -6.4%4.7%7.1 $98.37 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 $69.19Trump’s treachery (Ad)Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to move your money now.Millions of Americans are about to be wiped out, while others could make a fortune… click here to ma 10/31/2023578,100 shares $33.56 million -11.4%1.0%1.9 $58.06 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 $41.36Trump’s treachery (Ad)Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to move your money now.Millions of Americans are about to be wiped out, while others could make a fortune… click here to ma 9/30/2021810,900 shares $31.32 million -7.4%1.4%4.7 $38.62 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 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 30th, investors have sold 4,770,000 shares of FSS short. 8.03% 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 9.0. 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. 8.03% of Federal Signal's floating shares are currently sold short. Is Federal Signal's short interest increasing or decreasing? Federal Signal saw a decrease in short interest during the month of June. As of June 30th, there was short interest totaling 4,770,000 shares, a decrease of 7.2% from the previous total of 5,140,000 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 59,410,000 shares. How does Federal Signal's short interest compare to its competitors? 8.03% of Federal Signal's shares are currently sold short. Here is how the short interest of companies compare to Federal Signal: Franklin Electric Co., Inc. (2.08%), Albany International Corporation (2.12%), Applied Industrial Technologies, Inc. (1.74%), Ingersoll Rand Inc. (3.04%), ITT Inc. (1.98%), Enpro Inc. (2.34%), Parker-Hannifin Corporation (1.58%), Terex Corporation (6.79%), United Rentals, Inc. (13.76%), Wabtec (22.63%), 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 ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 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 down $0.24 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 appreciates 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, 30 2025. More Short Interest Resources from MarketBeat Related Companies Franklin Electric Short Squeeze Albany International Short Squeeze Applied Industrial Technologies Short Squeeze Ingersoll Rand Short Squeeze ITT Short Squeeze Enpro Short Squeeze Parker-Hannifin Short Squeeze Terex Short Squeeze United Rentals Short Squeeze Wabtec 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 7/21/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | Sponsored[No Brainer Gold Play]: “Show me a better investment.”A Historic Gold Announcement Is About to Rock Wall Street? 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