Constellium (CSTM) Short Interest Ratio & Short Volume $13.42 +0.04 (+0.33%) Closing price 03:59 PM EasternExtended Trading$13.34 -0.08 (-0.59%) As of 04:29 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Constellium Short Interest DataConstellium (CSTM) has a short interest of 4.26 million shares, representing 3.31% of the float (the number of shares available for trading by the public). This marks a 18.99% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.6, indicating that it would take 2.6 days of the average trading volume of 1.62 million shares to cover all short positions.Current Short Interest4,260,000 sharesPrevious Short Interest3,580,000 sharesChange Vs. Previous Month+18.99%Dollar Volume Sold Short$58.19 millionShort Interest Ratio2.6 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares139,539,000 sharesFloat Size128,560,000 sharesShort Percent of Float3.31%Today's Trading Volume1,098,668 sharesAverage Trading Volume1,616,576 sharesToday's Volume Vs. Average68% Short Selling Constellium? Sign up to receive the latest short interest report for Constellium and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCSTM Short Interest Over TimeCSTM Days to Cover Over TimeCSTM Percentage of Float Shorted Over Time Constellium Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/20254,260,000 shares $58.19 million +19.0%3.3%2.6 $13.66 6/30/20253,580,000 shares $47.65 million -7.5%2.8%2 $13.31 6/15/20253,870,000 shares $52.86 million +28.6%3.0%2.2 $13.66 5/31/20253,010,000 shares $36.57 million +49.0%2.3%1.7 $12.15 5/15/20252,020,000 shares $24.24 million +25.5%1.6%1.2 $12.00 4/30/20251,610,000 shares $16.45 million -5.9%1.3%0.9 $10.22 4/15/20251,710,000 shares $14.34 million +3.6%1.3%1 $8.39 3/31/20251,650,000 shares $16.67 million -13.2%1.3%1.1 $10.11 3/15/20251,900,000 shares $23.17 million +24.2%1.5%1.3 $12.20 2/28/20251,530,000 shares $17.42 million -22.7%1.2%1.1 $11.38 Get the Latest News and Ratings for CSTM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Constellium and its competitors with MarketBeat's FREE daily newsletter. 2/15/20251,980,000 shares $18.48 million -15.4%1.5%1.6 $9.34 1/31/20252,340,000 shares $23.24 million -13.7%1.8%2 $9.93 1/15/20252,710,000 shares $29.35 million -0.4%2.1%1.8 $10.83 12/31/20242,720,000 shares $27.93 million +3.0%2.1%1.8 $10.27 12/15/20242,640,000 shares $29.46 million +16.8%2.0%1.7 $11.16 11/30/20242,260,000 shares $27.71 million -22.6%1.7%1.5 $12.26 11/15/20242,920,000 shares $33.46 million +24.8%2.2%1.9 $11.46 10/31/20242,340,000 shares $25.97 million -5.3%1.8%1.6 $11.10 10/15/20242,470,000 shares $35.86 million -5.4%1.9%1.9 $14.52 9/30/20242,610,000 shares $42.44 million -14.4%2.0%2.2 $16.26 9/15/20243,050,000 shares $50.54 million -0.3%2.3%2.7 $16.57 8/31/20243,060,000 shares $51.32 million -12.3%2.3%2.6 $16.77 8/15/20243,490,000 shares $55.94 million -6.2%2.6%2.9 $16.03 7/31/20243,720,000 shares $66.27 million +15.2%2.8%3 $17.82 7/15/20243,230,000 shares $62.11 million +8.0%2.5%2.7 $19.23 6/30/20242,990,000 shares $56.36 million -8.3%2.3%2.9 $18.85 6/15/20243,260,000 shares $64.61 million +67.2%2.5%3.5 $19.82 5/31/20241,950,000 shares $42.27 million +7.7%1.5%2.2 $21.68 5/15/20241,810,000 shares $36.54 million -27.6%1.4%2.3 $20.19 4/30/20242,500,000 shares $49.23 million +15.7%2.0%3.1 $19.69 4/15/20242,160,000 shares $45.36 million +16.8%1.7%2.8 $21.00 3/31/20241,850,000 shares $40.90 million +6.3%1.5%2.7 $22.11 3/15/20241,740,000 shares $34.48 million +8.8%1.4%2.6 $19.82 2/29/20241,600,000 shares $31.02 million +3.2%1.3%2.4 $19.39 2/15/20241,550,000 shares $29.79 million +14.0%1.2%2.4 $19.22 1/31/20241,360,000 shares $25.51 million -8.1%1.1%2.2 $18.76 1/15/20241,480,000 shares $27.00 million -5.1%1.2%2 $18.24 12/31/20231,560,000 shares $31.14 million -3.7%1.3%2.1 $19.96 12/15/20231,620,000 shares $30.70 million +7.3%1.3%2 $18.95 11/30/20231,510,000 shares $26.29 million -20.5%1.2%1.9 $17.41The Coin That Could Define Trump’s Crypto Presidency (Ad)When Trump returned to office, one of his first moves was to tap PayPal’s former COO, David Sacks, as a top advisor on crypto and AI. That alone signaled a shift. But insiders close to D.C. aren’t just talking crypto policy—they’re quietly buying something most retail investors have missed. While the crowd chases Bitcoin to $150,000, Weiss Ratings expert Juan Villaverde believes a different coin—already backed by giants like Google, Visa, and PayPal—could soon become crypto’s “Third Giant.”Discover the coin that could define Trump’s crypto presidency. 11/15/20231,900,000 shares $34.12 million -8.2%1.5%2.4 $17.96 10/31/20232,070,000 shares $32.71 million +54.5%1.7%2.7 $15.80 10/15/20231,340,000 shares $22.30 million -20.7%1.1%2 $16.64 9/30/20231,690,000 shares $30.76 million +10.5%1.4%2.6 $18.20 9/15/20231,530,000 shares $26.82 million -2.6%1.2%2.6 $17.53 8/31/20231,570,000 shares $28.26 million +0.6%1.3%2.6 $18.00 8/15/20231,560,000 shares $26.68 million -9.8%1.3%2.5 $17.11 7/31/20231,730,000 shares $33.03 million -4.4%1.4%2.5 $19.09 7/15/20231,810,000 shares $32.18 million -3.2%1.4%2.4 $17.78 6/30/20231,870,000 shares $32.16 million -23.7%1.5%2.3 $17.20 6/15/20232,450,000 shares $41.11 million -6.1%2.0%3 $16.78 5/31/20232,610,000 shares $38.90 million +0.4%2.1%3 $14.91 5/15/20232,600,000 shares $40.17 million -1.1%2.1%2.7 $15.45 4/30/20232,630,000 shares $39.06 million +28.3%2.1%2.7 $14.85 4/15/20232,050,000 shares $29.73 million -20.5%1.6%2 $14.50 3/31/20232,580,000 shares $39.42 million +2.4%2.1%2.5 $15.28 3/15/20232,520,000 shares $34.95 million -6.7%2.0%2.6 $13.87 2/28/20232,700,000 shares $43.17 million +17.9%2.2%2.6 $15.99 2/15/20232,290,000 shares $33.37 million -11.6%1.9%2.3 $14.57 1/31/20232,590,000 shares $37.63 million +49.7%2.1%2.8 $14.53 1/15/20231,730,000 shares $23.44 million -9.4%1.4%1.8 $13.55 12/30/20221,910,000 shares $22.60 million -10.8%1.6%2 $11.83 12/15/20222,140,000 shares $24.48 million -13.7%1.7%2.2 $11.44 11/30/20222,480,000 shares $30.88 million -14.5%2.0%2.6 $12.45 11/15/20222,900,000 shares $36.22 million -17.6%2.4%3.2 $12.49 10/31/20223,520,000 shares $38.79 million +0.9%2.9%4 $11.02 10/15/20223,490,000 shares $38.29 million +2.7%2.8%4.3 $10.97 9/30/20223,400,000 shares $34.48 million -1.2%3.2%4.3 $10.14 9/15/20223,440,000 shares $41.66 million -2.0%2.8%4 $12.11 8/31/20223,510,000 shares $46.75 million -2.5%2.9%3.9 $13.32 8/15/20223,600,000 shares $53.46 million -9.8%2.9%4 $14.85 7/31/20223,990,000 shares $58.37 million +9.9%3.2%4.2 $14.63 7/15/20223,630,000 shares $47.81 million -5.7%3.0%3.7 $13.17 6/30/20223,850,000 shares $50.86 million +3.5%3.1%4 $13.21 6/15/20223,720,000 shares $53.01 million -5.1%3.0%3.8 $14.25 5/31/20223,920,000 shares $66.21 million -21.9%3.2%4.5 $16.89 5/15/20225,020,000 shares $78.56 million +22.1%4.1%5.1 $15.65 4/30/20224,110,000 shares $68.60 million +17.8%3.3%4.3 $16.69 4/15/20223,490,000 shares $60.17 million +3.3%2.8%4 $17.24 3/31/20223,380,000 shares $60.84 million +12.3%2.7%4 $18.00 3/15/20223,010,000 shares $49.70 million +12.7%2.4%4 $16.51 2/28/20222,670,000 shares $51.88 million +6.4%2.2%3.7 $19.43 2/15/20222,510,000 shares $47.94 million +13.1%2.1%3.8 $19.10 1/31/20222,220,000 shares $38.83 million +0.5%1.8%3.5 $17.49 1/15/20222,210,000 shares $43.32 million +4.7%1.8%3 $19.60 12/31/20212,110,000 shares $37.79 million -15.9%1.7%2.7 $17.91 12/15/20212,510,000 shares $43.00 million -12.2%2.1%2.9 $17.13 11/30/20212,860,000 shares $50.25 million -24.9%2.4%3.3 $17.57 11/15/20213,810,000 shares $74.10 million -13.0%3.1%4.1 $19.45 10/29/20214,380,000 shares $80.64 million +9.0%3.6%4.5 $18.41The Coin That Could Define Trump’s Crypto Presidency (Ad)When Trump returned to office, one of his first moves was to tap PayPal’s former COO, David Sacks, as a top advisor on crypto and AI. That alone signaled a shift. But insiders close to D.C. aren’t just talking crypto policy—they’re quietly buying something most retail investors have missed. While the crowd chases Bitcoin to $150,000, Weiss Ratings expert Juan Villaverde believes a different coin—already backed by giants like Google, Visa, and PayPal—could soon become crypto’s “Third Giant.”Discover the coin that could define Trump’s crypto presidency. 10/15/20214,020,000 shares $76.94 million +5.5%3.3%4.1 $19.14 9/30/20213,810,000 shares $71.55 million -0.5%3.1%3.8 $18.78 9/15/20213,830,000 shares $79.89 million -14.3%3.2%3.1 $20.86 8/31/20214,470,000 shares $90.38 million -2.2%3.7%3.5 $20.22 8/13/20214,570,000 shares $91.45 million +3.2%3.8%3.4 $20.01 7/30/20214,430,000 shares $83.59 million +2.3%3.7%3.4 $18.87 7/15/20214,330,000 shares $79.37 million -6.7%3.6%3.3 $18.33 6/30/20214,640,000 shares $87.93 million +102.6%3.8%3.6 $18.95 6/15/20212,290,000 shares $45.78 million +11.7%1.9%2.2 $19.99 5/28/20212,050,000 shares $36.61 million -5.1%1.7%1.8 $17.86 5/14/20212,160,000 shares $35.83 million -16.9%1.8%2 $16.59 4/30/20212,600,000 shares $41.24 million -3.4%2.1%2.4 $15.86 4/15/20212,690,000 shares $40.54 million +25.1%2.2%2.7 $15.07 3/31/20212,150,000 shares $31.65 million -19.8%1.8%2.2 $14.72 3/15/20212,680,000 shares $45.02 million +155.2%2.2%2.8 $16.80 2/26/20211,050,000 shares $14.27 million +1.0%0.9%1.3 $13.59 2/12/20211,040,000 shares $14.85 million -6.3%0.9%1.4 $14.28 1/29/20211,110,000 shares $14.32 million +33.1%0.9%1.4 $12.90 1/15/2021833,800 shares $12.17 million -57.5%0.7%1 $14.60 12/31/20201,960,000 shares $27.09 million -0.5%1.6%2.3 $13.82 12/15/20201,970,000 shares $26.10 million +19.4%1.6%2.2 $13.25 11/30/20201,650,000 shares $21.27 million -7.3%1.4%1.7 $12.89 11/15/20201,780,000 shares $20.11 million -9.6%1.5%1.8 $11.30 10/30/20201,970,000 shares $18.30 million +10.7%1.6%2.1 $9.29 10/15/20201,780,000 shares $15.50 million -11.4%1.5%2 $8.71 9/30/20202,010,000 shares $15.78 million +21.1%1.7%2.1 $7.85 9/15/20201,660,000 shares $14.56 million -1.8%1.4%1.6 $8.77 8/31/20201,690,000 shares $13.54 million -2.9%1.4%1.5 $8.01 8/14/20201,740,000 shares $14.23 million -19.4%1.5%1.3 $8.18 CSTM Short Interest - Frequently Asked Questions What is Constellium's current short interest? Short interest is the volume of Constellium shares that have been sold short but have not yet been closed out or covered. As of July 15th, investors have sold 4,260,000 shares of CSTM short. 3.31% of Constellium's shares are currently sold short. Learn More on Constellium's current short interest. What is a good short interest ratio for Constellium? 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. CSTM shares currently have a short interest ratio of 3.0. Learn More on Constellium's short interest ratio. Which institutional investors are shorting Constellium? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Constellium: Jane Street Group LLC, Walleye Trading LLC, and Walleye Capital LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Constellium? 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. 3.31% of Constellium's floating shares are currently sold short. Is Constellium's short interest increasing or decreasing? Constellium saw a increase in short interest during the month of July. As of July 15th, there was short interest totaling 4,260,000 shares, an increase of 19.0% from the previous total of 3,580,000 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 Constellium's float size? Constellium currently has issued a total of 139,539,000 shares. Some of Constellium'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. Constellium currently has a public float of 128,560,000 shares. How does Constellium's short interest compare to its competitors? 3.31% of Constellium's shares are currently sold short. Here is how the short interest of companies compare to Constellium: Kaiser Aluminum Corporation (2.93%), Ternium S.A. (0.53%), Gerdau S.A. (0.79%), National Steel Company (0.80%), Worthington Steel, Inc. (2.42%), Steel Partners Holdings L.P. (0.00%), Insteel Industries, Inc. (2.15%), Metallus Inc. (5.73%), Algoma Steel Group Inc. (4.22%), United States Antimony Co. (15.94%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks. What does it mean to sell short Constellium stock? Short selling CSTM is an investing strategy that aims to generate trading profit from Constellium as its price is falling. CSTM shares are trading up $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 Constellium? A short squeeze for Constellium 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 CSTM, which in turn drives the price of the stock up even further. How often is Constellium'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 CSTM, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies KALU Short Squeeze TX Short Squeeze GGB Short Squeeze SID Short Squeeze WS Short Squeeze SPLP Short Squeeze IIIN Short Squeeze MTUS Short Squeeze ASTL Short Squeeze UAMY 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:CSTM) was last updated on 8/8/2025 by MarketBeat.com Staff From Our PartnersTrump set to Boost Social Security Checks by 400%?If you're collecting or planning to collect social security... 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