Spirit Aerosystems (SPR) Short Interest Ratio & Short Volume $38.30 +0.15 (+0.39%) As of 10:24 AM Eastern This is a fair market value 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 10.17 million shares, representing 8.74% of the float (the number of shares available for trading by the public). This marks a -3.05% decrease in short interest from the previous month. The short interest ratio (days to cover) is 7.4, indicating that it would take 7.4 days of the average trading volume of 1.77 million shares to cover all short positions.Current Short Interest10,170,000 sharesPrevious Short Interest10,490,000 sharesChange Vs. Previous Month-3.05%Dollar Volume Sold Short$373.85 millionShort Interest Ratio7.4 Days to CoverLast Record DateJune 15, 2025Outstanding Shares117,320,000 sharesShort Percent of Float8.74%Today's Trading Volume35,872 sharesAverage Trading Volume1,773,885 sharesToday's Volume Vs. Average2% 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 6/15/202510,170,000 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 1/31/202510,060,000 shares $340.97 million +21.5%N/A6.6 $33.89 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. 1/15/20258,280,000 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 $25.12 10/31/202310,840,000 shares $244.88 million -7.6%10.4%2.5 $22.59The #1 AI Energy Stock (Ad)Nearly $600 billion is projected to be spent on AI data centers this year. 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Thanks to AI's ravenous hunger for power … They are beginning to morph into sprawling behemoths.Click here to learn more about the #1 AI Energy Stock of 2025 10/15/202311,730,000 shares $197.89 million -2.9%11.2%2.6 $16.87 9/30/202312,080,000 shares $194.97 million +37.6%11.6%3.2 $16.14 9/15/20238,780,000 shares $147.81 million +2.1%8.4%2.5 $16.84 8/31/20238,600,000 shares $183.31 million +10.0%8.2%2.7 $21.32 8/15/20237,820,000 shares $170.32 million +20.5%7.5%2.7 $21.78 7/31/20236,490,000 shares $206.54 million -11.7%6.2%2.3 $31.83 7/15/20237,350,000 shares $208.96 million -2.1%7.1%2.9 $28.43 6/30/20237,510,000 shares $219.18 million +0.5%7.2%2.5 $29.19 6/15/20237,470,000 shares $225.89 million -4.0%7.2%2.5 $30.24 5/31/20237,780,000 shares $207.10 million -8.9%7.5%2.8 $26.62 5/15/20238,540,000 shares $204.96 million +35.6%8.2%3.3 $24.00 4/30/20236,300,000 shares $187.49 million -5.6%6.0%2.4 $29.76 4/15/20236,670,000 shares $188.23 million +12.5%6.4%2.8 $28.22 3/31/20235,930,000 shares $204.76 million -12.9%5.7%3.2 $34.53 3/15/20236,810,000 shares $205.25 million -8.0%6.5%3.4 $30.14 2/28/20237,400,000 shares $252.93 million +8.5%7.1%3.5 $34.18 2/15/20236,820,000 shares $252.48 million +15.4%6.5%3.3 $37.02 1/31/20235,910,000 shares $213.65 million +6.3%6.0%2.7 $36.15 1/15/20235,560,000 shares $191.21 million +2.8%5.3%2.4 $34.39 12/30/20225,410,000 shares $160.14 million +15.9%5.2%2.3 $29.60 12/15/20224,670,000 shares $131.69 million +17.3%4.5%2 $28.20 11/30/20223,980,000 shares $104.32 million -13.7%3.8%1.7 $26.21 11/15/20224,610,000 shares $123.04 million -19.4%4.4%2 $26.69 10/31/20225,720,000 shares $132.48 million -6.7%5.5%2.5 $23.16 10/15/20226,130,000 shares $144.55 million -6.7%5.9%3 $23.58 9/30/20226,570,000 shares $144.01 million +4.5%6.3%3.1 $21.92 9/15/20226,290,000 shares $166.87 million +17.4%6.0%3.1 $26.53 8/31/20225,360,000 shares $161.34 million +4.5%5.1%2.7 $30.10 8/15/20225,130,000 shares $179.29 million -10.9%4.9%2.5 $34.95 7/31/20225,760,000 shares $189.04 million +16.8%5.6%2.5 $32.82 7/15/20224,930,000 shares $158.40 million +13.1%4.8%2.3 $32.13 6/30/20224,360,000 shares $127.75 million -17.9%4.2%2.1 $29.30 6/15/20225,310,000 shares $155.00 million +16.2%5.1%2.6 $29.19 5/31/20224,570,000 shares $143.59 million +3.6%4.4%2.3 $31.42 5/15/20224,410,000 shares $138.39 million +26.7%4.2%2.1 $31.38 4/30/20223,480,000 shares $146.30 million -11.2%3.3%1.7 $42.04 4/15/20223,920,000 shares $181.22 million -13.9%3.8%2 $46.23 3/31/20224,550,000 shares $222.45 million +19.1%4.4%2.2 $48.89 3/15/20223,820,000 shares $169.42 million -2.6%3.7%1.9 $44.35 2/28/20223,920,000 shares $196 million -15.9%3.8%2 $50.00 2/15/20224,660,000 shares $243.35 million -1.3%4.5%2.4 $52.22 1/31/20224,720,000 shares $206.88 million -1.5%4.6%2.5 $43.83 1/15/20224,790,000 shares $237.58 million +6.0%4.6%2.7 $49.60 12/31/20214,520,000 shares $194.77 million -12.1%4.4%2.7 $43.09 12/15/20215,140,000 shares $198.25 million +17.1%5.0%3 $38.57 11/30/20214,390,000 shares $166.21 million +23.7%4.2%2.6 $37.86 11/15/20213,550,000 shares $167.81 million -8.3%3.4%2.4 $47.27 10/29/20213,870,000 shares $159.79 million -7.2%3.7%2.7 $41.29 10/15/20214,170,000 shares $184.31 million +4.5%4.0%2.9 $44.20 9/30/20213,990,000 shares $176.32 million +20.2%3.8%2.7 $44.19The #1 AI Energy Stock (Ad)Nearly $600 billion is projected to be spent on AI data centers this year. That's because the ones being built now will dwarf everything that came before them. Thanks to AI's ravenous hunger for power … They are beginning to morph into sprawling behemoths.Click here to learn more about the #1 AI Energy Stock of 2025 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 7/15/202011,430,000 shares $264.03 million +53.4%N/A2 $23.10 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 15th, investors have sold 10,170,000 shares of SPR short. 8.74% 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. 8.74% 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 June. As of June 15th, there was short interest totaling 10,170,000 shares, a decrease of 3.1% from the previous total of 10,490,000 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? 8.74% of Spirit Aerosystems' shares are currently sold short. Here is how the short interest of companies compare to Spirit Aerosystems: Textron Inc. (2.83%), Huntington Ingalls Industries, Inc. (4.37%), Kratos Defense & Security Solutions, Inc. (6.97%), AeroVironment, Inc. (12.85%), Hexcel Corporation (4.69%), AAR Corp. (2.05%), Triumph Group, Inc. (10.25%), Astronics Corporation (10.94%), National Presto Industries, Inc. (2.44%), Sypris Solutions, Inc. (3.63%), 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 ($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 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 $0.51 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, 15 2025. 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