Spirit Aerosystems (SPR) Short Interest Ratio & Short Volume $40.94 -0.04 (-0.11%) Closing price 07/25/2025 03:59 PM EasternExtended Trading$41.16 +0.23 (+0.56%) As of 07/25/2025 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 InterestSustainabilityTrendsBuy This Stock Spirit Aerosystems Short Interest DataSpirit Aerosystems (SPR) has a short interest of 9.16 million shares, representing 7.87% of the float (the number of shares available for trading by the public). This marks a -9.93% decrease in short interest from the previous month. The short interest ratio (days to cover) is 6.8, indicating that it would take 6.8 days of the average trading volume of 846,127 shares to cover all short positions.Current Short Interest9,160,000 sharesPrevious Short Interest10,170,000 sharesChange Vs. Previous Month-9.93%Dollar Volume Sold Short$349.18 millionShort Interest Ratio6.8 Days to CoverLast Record DateJune 30, 2025Outstanding Shares117,319,000 sharesShort Percent of Float7.87%Today's Trading Volume1,349,827 sharesAverage Trading Volume846,127 sharesToday's Volume Vs. Average160% Short Selling Spirit Aerosystems? Sign up to receive the latest short interest report for Spirit Aerosystems and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartSPR Short Interest Over TimeSPR Days to Cover Over TimeSPR Percentage of Float Shorted Over Time Spirit Aerosystems Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/30/20259,160,000 shares $349.18 million -9.9%7.9%6.8 $38.12 6/15/202510,170,000 shares $373.85 million -3.1%8.7%7.4 $36.76 5/31/202510,490,000 shares $391.80 million -2.9%9.1%7.8 $37.35 5/15/202510,800,000 shares $404.89 million +5.3%9.3%7.7 $37.49 4/30/202510,260,000 shares $369.46 million -8.3%N/A7.3 $36.01 4/15/202511,190,000 shares $370.06 million +24.9%9.7%8.2 $33.07 3/31/20258,960,000 shares $309.07 million -10.0%7.7%6.7 $34.49 3/15/20259,950,000 shares $332.96 million +7.2%8.6%7.9 $33.46 2/28/20259,280,000 shares $323.74 million -9.0%8.0%7 $34.89 2/15/202510,200,000 shares $352.36 million +1.4%8.8%7.8 $34.55 Get the Latest News and Ratings for SPR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Spirit Aerosystems and its competitors with MarketBeat's FREE daily newsletter. 1/31/202510,060,000 shares $340.97 million +21.5%N/A6.6 $33.89 1/15/20258,280,000 shares $279.95 million -9.0%N/A5.2 $33.81 12/31/20249,100,000 shares $310.13 million -6.2%N/A5.6 $34.08 12/15/20249,700,000 shares $319.81 million -4.2%N/A5.7 $32.97 11/30/202410,130,000 shares $327.81 million -7.0%N/A6.1 $32.36 11/15/202410,890,000 shares $334.32 million +1.8%N/A6.5 $30.70 10/31/202410,700,000 shares $346.36 million +14.4%N/A6.9 $32.37 10/15/20249,350,000 shares $296.86 million -11.4%N/A5.8 $31.75 9/30/202410,550,000 shares $343.03 million +4.7%N/A5.2 $32.52 9/15/202410,080,000 shares $335.36 million -6.7%N/A3.2 $33.27 8/31/202410,800,000 shares $380.27 million -1.5%N/A3.2 $35.21 8/15/202410,960,000 shares $380.31 million -2.1%N/A3.2 $34.70 7/31/202411,190,000 shares $405.64 million -5.4%N/A3.2 $36.25 7/15/202411,830,000 shares $410.38 million +1.6%N/A3.4 $34.69 6/30/202411,640,000 shares $382.61 million +13.9%N/A3.6 $32.87 6/15/202410,220,000 shares $299.96 million +4.6%N/A4 $29.35 5/31/20249,770,000 shares $296.28 million +2.3%N/A4 $30.33 5/15/20249,550,000 shares $291.37 million +5.4%N/A3.1 $30.51 4/30/20249,060,000 shares $289.74 million -8.4%N/A2.7 $31.98 4/15/20249,890,000 shares $330.52 million -3.3%N/A2.7 $33.42 3/31/202410,230,000 shares $369.00 million +3.3%N/A2.4 $36.07 3/15/20249,900,000 shares $319.37 million -16.2%N/A2.3 $32.26 2/29/202411,820,000 shares $338.17 million -3.1%N/A2.8 $28.61 2/15/202412,200,000 shares $369.29 million -0.9%N/A3.4 $30.27 1/31/202412,310,000 shares $338.03 million +13.6%N/A2.9 $27.46 1/15/202410,840,000 shares $294.85 million +1.9%N/A2.7 $27.20 12/31/202310,640,000 shares $338.14 million -4.1%N/A2.5 $31.78 12/15/202311,090,000 shares $327.38 million -6.6%N/A2.7 $29.52 11/30/202311,870,000 shares $326.37 million +7.4%N/A2.7 $27.50 11/15/202311,050,000 shares $277.58 million +1.9%N/A2.4 $25.12Trump’s #1 America First Stock (Ad)America’s industrial comeback is underway — and it’s bigger than anyone expected. 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The full story is now available.Watch the presentation on America’s hidden birthright 9/30/20213,990,000 shares $176.32 million +20.2%3.8%2.7 $44.19 9/15/20213,320,000 shares $131.94 million -10.5%3.2%2.2 $39.74 8/31/20213,710,000 shares $145.58 million -10.8%3.6%2.3 $39.24 8/13/20214,160,000 shares $174.47 million -8.0%4.0%2.5 $41.94 7/30/20214,520,000 shares $195.31 million -2.4%4.3%2.5 $43.21 7/15/20214,630,000 shares $196.82 million -4.3%4.4%2.5 $42.51 6/30/20214,840,000 shares $228.40 million -11.5%4.7%2.7 $47.19 6/15/20215,470,000 shares $278.48 million -17.3%5.3%2.9 $50.91 5/28/20216,610,000 shares $325.28 million -5.7%6.3%3.2 $49.21 5/14/20217,010,000 shares $297.57 million -9.7%N/A2.9 $42.45 4/30/20217,760,000 shares $355.72 million -7.6%N/A3.1 $45.84 4/15/20218,400,000 shares $398.24 million +11.4%N/A3.1 $47.41 3/31/20217,540,000 shares $373.23 million +16.4%N/A2.6 $49.50 3/15/20216,480,000 shares $333.07 million +14.1%6.6%2.2 $51.40 2/26/20215,680,000 shares $246.40 million -19.3%N/A1.7 $43.38 2/12/20217,040,000 shares $274.28 million +11.6%N/A2.1 $38.96 1/29/20216,310,000 shares $221.67 million +6.1%N/A1.5 $35.13 1/15/20215,950,000 shares $239.55 million +6.3%N/A1.4 $40.26 12/31/20205,600,000 shares $216.83 million -30.1%N/A1.2 $38.72 12/15/20208,010,000 shares $288.84 million -4.3%N/A1.5 $36.06 11/30/20208,370,000 shares $298.31 million +1.2%N/A1.5 $35.64 11/15/20208,270,000 shares $250.33 million -12.0%N/A1.5 $30.27 10/30/20209,400,000 shares $174.37 million +2.2%N/A1.8 $18.55 10/15/20209,200,000 shares $170.84 million -13.7%N/A1.8 $18.57 9/30/202010,660,000 shares $201.58 million +1.0%N/A2.1 $18.91 9/15/202010,550,000 shares $214.80 million -0.5%N/A2.1 $20.36 8/31/202010,600,000 shares $217.94 million -15.4%N/A2.1 $20.56 8/14/202012,530,000 shares $280.67 million +14.2%N/A2.2 $22.40 7/31/202010,970,000 shares $214.68 million -4.0%N/A1.9 $19.57 SPR Short Interest - Frequently Asked Questions What is Spirit Aerosystems' current short interest? Short interest is the volume of Spirit Aerosystems shares that have been sold short but have not yet been covered or closed out. As of June 30th, investors have sold 9,160,000 shares of SPR short. 7.87% of Spirit Aerosystems' shares are currently sold short. Learn More on Spirit Aerosystems' current short interest. What is a good short interest ratio for Spirit Aerosystems? 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. SPR shares currently have a short interest ratio of 7.0. Learn More on Spirit Aerosystems's short interest ratio. Which institutional investors are shorting Spirit Aerosystems? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Spirit Aerosystems: Jane Street Group LLC, Parallax Volatility Advisers L.P., Cubist Systematic Strategies LLC, Sculptor Capital LP, PEAK6 LLC, Jane Street Group LLC, Walleye Trading LLC, Equitec Proprietary Markets LLC, Simplex Trading LLC, and Wolverine Asset Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Spirit Aerosystems? 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. 7.87% of Spirit Aerosystems' floating shares are currently sold short. Is Spirit Aerosystems' short interest increasing or decreasing? Spirit Aerosystems saw a decrease in short interest in the month of June. As of June 30th, there was short interest totaling 9,160,000 shares, a decrease of 9.9% from the previous total of 10,170,000 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. How does Spirit Aerosystems' short interest compare to its competitors? 7.87% of Spirit Aerosystems' shares are currently sold short. Here is how the short interest of companies compare to Spirit Aerosystems: The Boeing Company (1.89%), Huntington Ingalls Industries, Inc. (4.09%), Leidos Holdings, Inc. (2.70%), RTX Corporation (1.13%), Curtiss-Wright Corporation (0.95%), Textron Inc. (4.73%), AeroVironment, Inc. (6.61%), Kratos Defense & Security Solutions, Inc. (8.99%), Hexcel Corporation (5.86%), AAR Corp. (2.36%), 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 Spirit Aerosystems stock? Short selling SPR is an investing strategy that aims to generate trading profit from Spirit Aerosystems as its price is falling. SPR shares are trading down $0.04 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 Spirit Aerosystems? A short squeeze for Spirit Aerosystems 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 SPR, which in turn drives the price of the stock up even further. How often is Spirit Aerosystems' 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 SPR, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies BA Short Interest Data HII Short Interest Data LDOS Short Interest Data RTX Short Interest Data CW Short Interest Data TXT Short Interest Data AVAV Short Interest Data KTOS Short Interest Data HXL Short Interest Data AIR 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 (NYSE:SPR) was last updated on 7/26/2025 by MarketBeat.com Staff From Our PartnersMarket 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 | SponsoredTrump's 2025 Economic Revolution Is Here Are Your Retirement Savings Ready?Time is short. 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