L.B. Foster (FSTR) Short Interest Ratio & Short Volume $23.38 +0.03 (+0.13%) As of 01:19 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock L.B. Foster Short Interest DataL.B. Foster (FSTR) has a short interest of 168,300 shares, representing 1.75% of the float (the number of shares available for trading by the public). This marks a 31.69% increase in short interest from the previous month. The short interest ratio (days to cover) is 5.0, indicating that it would take 5.0 days of the average trading volume of 42,614 shares to cover all short positions.Current Short Interest168,300 sharesPrevious Short Interest127,800 sharesChange Vs. Previous Month+31.69%Dollar Volume Sold Short$3.68 millionShort Interest Ratio5.0 Days to CoverLast Record DateJune 30, 2025Outstanding Shares10,560,000 sharesFloat Size9,620,000 sharesShort Percent of Float1.75%Today's Trading Volume39,183 sharesAverage Trading Volume42,614 sharesToday's Volume Vs. Average92% Short Selling L.B. Foster? Sign up to receive the latest short interest report for L.B. Foster and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartFSTR Short Interest Over TimeFSTR Days to Cover Over TimeFSTR Percentage of Float Shorted Over Time L.B. Foster Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/30/2025168,300 shares $3.68 million +31.7%1.8%5 $21.87 6/15/2025127,800 shares $2.49 million +33.1%1.3%3.6 $19.50 5/31/202596,000 shares $1.82 million -13.8%1.0%2.4 $18.92 5/15/2025111,400 shares $2.14 million -14.5%1.2%2.5 $19.25 4/30/2025130,300 shares $2.60 million +14.8%1.3%2.8 $19.97 4/15/2025113,500 shares $2.25 million -2.2%1.2%2.4 $19.81 3/31/2025116,100 shares $2.28 million -12.0%1.2%2.5 $19.68 3/15/2025131,900 shares $2.68 million +14.3%1.3%3.3 $20.31 2/28/2025115,400 shares $3.17 million -4.1%1.2%3 $27.45 2/15/2025120,300 shares $3.31 million +9.9%1.2%3.4 $27.50 Get the Latest News and Ratings for FSTR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for L.B. Foster and its competitors with MarketBeat's FREE daily newsletter. 1/31/2025109,500 shares $3.05 million -16.3%1.1%2.7 $27.83 1/15/2025130,800 shares $3.58 million +1.2%1.3%3.3 $27.40 12/31/2024129,300 shares $3.48 million +18.5%1.3%3.3 $26.90 12/15/2024109,100 shares $3.12 million -23.5%1.1%2.4 $28.61 11/30/2024142,600 shares $4.10 million -14.2%1.4%3.1 $28.73 11/15/2024166,200 shares $4.40 million -2.1%1.7%3.7 $26.49 10/31/2024169,700 shares $3.20 million -20.7%1.7%3.6 $18.85 10/15/2024213,900 shares $4.26 million -17.8%2.1%4.1 $19.92 9/30/2024260,300 shares $5.32 million +10.5%2.6%4.8 $20.43 9/15/2024235,500 shares $4.68 million -3.0%2.3%2.8 $19.86 8/31/2024242,700 shares $4.87 million +3.2%2.4%2.9 $20.08 8/15/2024235,100 shares $4.37 million +25.3%2.3%2.7 $18.58 7/31/2024187,600 shares $4.50 million -3.4%1.8%2.2 $24.01 7/15/2024194,100 shares $4.41 million +130.5%1.9%2.3 $22.74 6/30/202484,200 shares $1.81 million -20.7%0.8%1 $21.52 6/15/2024106,200 shares $2.58 million +9.0%1.1%2 $24.31 5/31/202497,400 shares $2.67 million -11.1%1.0%1.9 $27.43 5/15/2024109,500 shares $3.19 million +6.9%1.1%2.2 $29.10 4/30/2024102,400 shares $2.38 million +11.6%1.0%2.3 $23.25 4/15/202491,800 shares $2.33 million -32.1%0.9%2.3 $25.38 3/31/2024135,100 shares $3.69 million +48.1%1.3%3.4 $27.31 3/15/202491,200 shares $2.17 million +7.9%0.9%2.2 $23.78 2/29/202484,500 shares $2.01 million -6.5%0.8%2.2 $23.73 2/15/202490,400 shares $2.16 million +33.7%0.9%2.5 $23.94 1/31/202467,600 shares $1.55 million +10.3%0.7%1.8 $22.99 1/15/202461,300 shares $1.38 million +113.6%0.6%1.8 $22.47 12/31/202328,700 shares $631.11 thousand +26.4%0.3%0.9 $21.99 12/15/202322,700 shares $423.81 thousand +95.7%0.2%0.8 $18.67 11/30/202311,600 shares $231.54 thousand -21.6%0.1%0.4 $19.96 11/15/202314,800 shares $296 thousand +7.3%0.1%0.6 $20.00Revolutionary AI Tech Targets Early Diabetic Blindness Detection FDA Trial Underway (Ad)Tiny Stock, Massive Potential— this company’s AI platform is a game changer for healthcare!Discover how this tiny tech firm is using AI in healthcare 10/31/202313,800 shares $270.76 thousand +40.8%0.1%0.5 $19.62 10/15/20239,800 shares $183.95 thousand +36.1%0.1%0.4 $18.77 9/30/20237,200 shares $136.15 thousand -41.0%0.1%0.3 $18.91 9/15/202312,200 shares $225.58 thousand -54.7%0.1%0.5 $18.49 8/31/202326,900 shares $473.71 thousand +93.5%0.3%1.1 $17.61 8/15/202313,900 shares $254.79 thousand -10.3%0.1%0.5 $18.33 7/31/202315,500 shares $217.31 thousand +124.6%0.2%0.6 $14.02 7/15/20236,900 shares $95.77 thousand -46.5%0.1%0.3 $13.88 6/30/202312,900 shares $184.21 thousand +152.9%0.1%0.6 $14.28 6/15/20235,100 shares $69.16 thousand -79.4%0.1%0.3 $13.56 5/31/202324,700 shares $327.28 thousand -9.9%0.2%1.3 $13.25 5/15/202327,400 shares $290.99 thousand +4.6%0.3%1.5 $10.62 4/30/202326,200 shares $296.58 thousand +1.6%0.3%2.5 $11.32 4/15/202325,800 shares $300.83 thousand -1.9%0.3%2 $11.66 3/31/202326,300 shares $301.92 thousand -24.4%0.3%1.7 $11.48 3/15/202334,800 shares $415.86 thousand -10.8%0.4%1.8 $11.95 2/28/202339,000 shares $490.23 thousand +14.4%0.4%1.6 $12.57 2/15/202334,100 shares $419.09 thousand +3.3%0.3%1.2 $12.29 1/31/202333,000 shares $390.39 thousand +38.1%0.3%1.1 $11.83 1/15/202323,900 shares $278.20 thousand +14.4%0.2%0.9 $11.64 12/30/202220,900 shares $202.31 thousand -3.2%0.2%0.8 $9.68 12/15/202221,600 shares $211.68 thousand -2.7%0.2%0.8 $9.80 11/30/202222,200 shares $209.12 thousand -31.9%0.2%0.9 $9.42 11/15/202232,600 shares $404.24 thousand +59.8%0.3%1.7 $12.40 10/31/202220,400 shares $204 thousand -24.4%0.2%1.3 $10.00 10/15/202227,000 shares $257.31 thousand +12.5%0.3%1.8 $9.53 9/30/202224,000 shares $234.24 thousand -22.3%0.2%1.8 $9.76 9/15/202230,900 shares $361.22 thousand -20.2%0.3%2.5 $11.69 8/31/202238,700 shares $506.97 thousand -29.1%0.4%3.2 $13.10 8/15/202254,600 shares $828.28 thousand -10.1%0.6%4.2 $15.17 7/31/202260,700 shares $887.43 thousand -13.7%0.6%3.9 $14.62 7/15/202270,300 shares $972.25 thousand +38.7%0.7%4 $13.83 6/30/202250,700 shares $652.51 thousand +7.6%0.5%2.5 $12.87 6/15/202247,100 shares $606.18 thousand +2.6%0.5%2.2 $12.87 5/31/202245,900 shares $602.67 thousand +26.8%0.5%2 $13.13 5/15/202236,200 shares $442.73 thousand -6.2%0.4%1.5 $12.23 4/30/202238,600 shares $548.12 thousand -23.4%0.4%1.7 $14.20 4/15/202250,400 shares $740.88 thousand -0.8%0.5%2.2 $14.70 3/31/202250,800 shares $780.80 thousand -12.3%N/A2 $15.37 3/15/202257,900 shares $871.40 thousand -11.1%0.6%2 $15.05 2/28/202265,100 shares $1.02 million -23.7%0.7%2.1 $15.72 2/15/202285,300 shares $1.25 million +1.2%0.9%2.5 $14.67 1/31/202284,300 shares $1.27 million +6.7%0.9%2.4 $15.12 1/15/202279,000 shares $1.21 million +59.0%N/A2.3 $15.34 12/31/202149,700 shares $683.38 thousand +23.0%0.5%1.4 $13.75 12/15/202140,400 shares $561.56 thousand -26.0%0.4%1.2 $13.90 11/30/202154,600 shares $827.19 thousand -11.8%0.6%1.6 $15.15 11/15/202161,900 shares $1.06 million +27.4%0.6%2 $17.14 10/29/202148,600 shares $774.20 thousand -39.5%0.5%1.5 $15.93 10/15/202180,300 shares $1.27 million +58.1%0.8%2.3 $15.86Revolutionary AI Tech Targets Early Diabetic Blindness Detection FDA Trial Underway (Ad)Tiny Stock, Massive Potential— this company’s AI platform is a game changer for healthcare!Discover how this tiny tech firm is using AI in healthcare 9/30/202150,800 shares $786.89 thousand +4.1%0.5%1.5 $15.49 9/15/202148,800 shares $734.93 thousand +34.4%0.5%0.8 $15.06 8/31/202136,300 shares $618.92 thousand -39.6%0.4%0.6 $17.05 8/13/202160,100 shares $1.10 million +62.9%0.6%0.8 $18.25 7/30/202136,900 shares $670.10 thousand -76.9%0.4%0.5 $18.16 7/15/2021160,000 shares $2.74 million +181.7%1.6%1.8 $17.11 6/30/202156,800 shares $1.06 million -80.5%0.6%0.6 $18.64 6/15/2021291,300 shares $5.18 million +2.4%3.0%3.6 $17.78 5/28/2021284,500 shares $5.12 million +3.6%2.9%3.5 $17.99 5/14/2021274,700 shares $4.77 million +17.5%2.8%3.2 $17.35 4/30/2021233,800 shares $3.84 million +15.7%2.4%3 $16.44 4/15/2021202,100 shares $3.49 million +55.7%2.1%2.8 $17.27 3/31/2021129,800 shares $2.31 million +40.2%1.3%1.9 $17.79 3/15/202192,600 shares $1.78 million -15.2%0.9%1.6 $19.25 2/26/2021109,200 shares $1.93 million +13.2%1.1%2.2 $17.65 2/12/202196,500 shares $1.59 million +9.7%1.0%2.2 $16.43 1/29/202188,000 shares $1.33 million -74.0%0.9%2 $15.12 1/15/2021338,700 shares $5.23 million +39.2%3.4%8.1 $15.44 12/31/2020243,300 shares $3.68 million +33.0%2.5%6.3 $15.13 12/15/2020182,900 shares $2.75 million +9.2%1.9%5.4 $15.01 11/30/2020167,500 shares $2.45 million -7.7%1.7%5.4 $14.65 11/15/2020181,500 shares $2.56 million +7.3%1.8%6 $14.10 10/30/2020169,200 shares $2.32 million -0.3%1.7%5.9 $13.72 10/15/2020169,700 shares $2.49 million +3.2%1.7%6 $14.69 9/30/2020164,500 shares $2.21 million -12.8%1.7%5.7 $13.42 9/15/2020188,700 shares $2.72 million -11.4%1.9%6.5 $14.40 8/31/2020212,900 shares $3.18 million -1.6%2.2%7.1 $14.95 8/14/2020216,300 shares $3.29 million +29.2%2.2%6.8 $15.20 7/31/2020167,400 shares $2.35 million +2.7%1.7%5 $14.06 FSTR Short Interest - Frequently Asked Questions What is L.B. Foster's current short interest? Short interest is the volume of L.B. Foster shares that have been sold short but have not yet been covered or closed out. As of June 30th, traders have sold 168,300 shares of FSTR short. 1.75% of L.B. Foster's shares are currently sold short. Learn More on L.B. Foster's current short interest. What is a good short interest ratio for L.B. Foster? 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. FSTR shares currently have a short interest ratio of 5.0. Learn More on L.B. Foster's short interest ratio. What is a good short interest percentage for L.B. Foster? 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. 1.75% of L.B. Foster's floating shares are currently sold short. Is L.B. Foster's short interest increasing or decreasing? L.B. Foster saw a increase in short interest in June. As of June 30th, there was short interest totaling 168,300 shares, an increase of 31.7% from the previous total of 127,800 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 L.B. Foster's float size? L.B. Foster currently has issued a total of 10,560,000 shares. Some of L.B. Foster'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. L.B. Foster currently has a public float of 9,620,000 shares. How does L.B. Foster's short interest compare to its competitors? 1.75% of L.B. Foster's shares are currently sold short. Here is how the short interest of companies compare to L.B. Foster: Hawkins, Inc. (3.44%), Linde PLC (1.10%), Koppers Holdings Inc. (3.28%), Gorman-Rupp Company (The) (0.83%), Proto Labs, Inc. (3.24%), Hyster-Yale, Inc. (5.40%), Energy Recovery, Inc. (1.78%), Graham Corporation (2.05%), Columbus McKinnon Corporation (2.06%), Omega Flex, Inc. (1.62%), 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 L.B. Foster stock? Short selling FSTR is an investing strategy that aims to generate trading profit from L.B. Foster as its price is falling. FSTR shares are trading up $0.03 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 L.B. Foster? A short squeeze for L.B. Foster 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 FSTR, which in turn drives the price of the stock up even further. How often is L.B. Foster'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 FSTR, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies Hawkins Short Interest Data Linde Short Interest Data Koppers Short Interest Data Gorman-Rupp Short Interest Data Proto Labs Short Interest Data Hyster-Yale Short Interest Data Energy Recovery Short Interest Data Graham Short Interest Data Columbus McKinnon Short Interest Data Omega Flex Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:FSTR) was last updated on 7/16/2025 by MarketBeat.com Staff From Our PartnersRevolutionary AI Tech Targets Early Diabetic Blindness Detection FDA Trial UnderwayTiny Stock, Massive Potential— this company’s AI platform is a game changer for healthcare!Interactive Offers | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredThe Robotics Revolution has arrived … and one $7 stock could take off as a result.Something big is brewing in Washington. According to my research, an executive order from President Trump c...Weiss Ratings | SponsoredThis Social Security Shift Could Boost Benefits by 400%If you currently collect Social Security—or plan to in the future—this may be one of the most important update...InvestorPlace | 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 | SponsoredTrump’s treachery Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to ...Porter & Company | SponsoredDrilling With a $3.5B Discovery Partner in Its CornerA small-cap explorer is about to drill for high-grade gold in a region known for multi-million-ounce discoveri...The Tomorrow Investor | Sponsored[ATTENTION] This Crypto Rocket Is About Launch…Every crypto bull market ends with a final surge — the window where fortunes are made fast. According to tw...Crypto Swap Profits | 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 L.B. Foster Company Please log in to your account or sign up in order to add this asset to your watchlist. Share L.B. Foster 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. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
