American Superconductor (AMSC) Short Interest Ratio & Short Volume $57.34 +1.82 (+3.27%) As of 10:31 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock American Superconductor Short Interest DataAmerican Superconductor (AMSC) has a short interest of 3.09 million shares. This marks a -8.85% decrease in short interest from the previous month. The short interest ratio (days to cover) is 3.0, indicating that it would take 3.0 days of the average trading volume of 1.04 million shares to cover all short positions.Current Short Interest3,090,000 sharesPrevious Short Interest3,390,000 sharesChange Vs. Previous Month-8.85%Dollar Volume Sold Short$126.57 millionShort Interest Ratio3.0 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares45,161,000 sharesPercentage of Shares Shorted6.84%Today's Trading Volume342,666 sharesAverage Trading Volume1,039,078 sharesToday's Volume Vs. Average33% Short Selling American Superconductor? Sign up to receive the latest short interest report for American Superconductor and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAMSC Short Interest Over TimeAMSC Days to Cover Over TimeAMSC Percentage of Float Shorted Over Time American Superconductor Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/20253,090,000 shares $126.57 million -8.9%N/A3 $40.96 6/30/20253,390,000 shares $124.38 million +25.6%9.0%3.5 $36.69 6/15/20252,700,000 shares $79.25 million -3.6%7.2%3.1 $29.35 5/31/20252,800,000 shares $79.18 million -9.1%7.4%3.9 $28.28 5/15/20253,080,000 shares $72.44 million -2.8%8.2%4.2 $23.52 4/30/20253,170,000 shares $62.92 million +17.0%N/A3.6 $19.85 4/15/20252,710,000 shares $49.46 million -3.2%7.2%2.8 $18.25 3/31/20252,800,000 shares $50.79 million -3.8%7.4%2.7 $18.14 3/15/20252,910,000 shares $58.20 million -8.2%7.7%2.6 $20.00 2/28/20253,170,000 shares $71.99 million +5.7%8.4%2.5 $22.71 Get the Latest News and Ratings for AMSC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for American Superconductor and its competitors with MarketBeat's FREE daily newsletter. 2/15/20253,000,000 shares $93.48 million -14.3%8.0%2.3 $31.16 1/31/20253,500,000 shares $91.95 million -10.5%N/A2.5 $26.27 1/15/20253,910,000 shares $109.68 million +2.6%N/A3 $28.05 12/31/20243,810,000 shares $93.84 million +28.3%N/A2.7 $24.63 12/15/20242,970,000 shares $76.72 million +12.5%N/A2.1 $25.83 11/30/20242,640,000 shares $89.92 million -8.0%N/A1.9 $34.06 11/15/20242,870,000 shares $86.33 million +4.7%N/A2.2 $30.08 10/31/20242,740,000 shares $67.18 million +5.0%N/A2.4 $24.52 10/15/20242,610,000 shares $60.73 million -10.3%N/A2.6 $23.27 9/30/20242,910,000 shares $68.68 million +10.2%N/A2.8 $23.60 9/15/20242,640,000 shares $56.60 million +3.1%N/A2.3 $21.44 8/31/20242,560,000 shares $51.76 million -4.8%N/A2.3 $20.22 8/15/20242,690,000 shares $57.08 million -0.4%N/A2.2 $21.22 7/31/20242,700,000 shares $65.23 million -8.2%N/A2.3 $24.16 7/15/20242,940,000 shares $91.70 million +30.7%N/A2.8 $31.19 6/30/20242,250,000 shares $52.63 million +10.8%N/A2.6 $23.39 6/15/20242,030,000 shares $52.62 million +21.6%N/A3.1 $25.92 5/31/20241,670,000 shares $32.03 million -9.7%N/A3.1 $19.18 5/15/20241,850,000 shares $26.81 million -1.6%N/A4.4 $14.49 4/30/20241,880,000 shares $23.22 million -13.0%N/A3.4 $12.35 4/15/20242,160,000 shares $26.05 million +13.1%N/A2.2 $12.06 3/31/20241,910,000 shares $25.80 million -5.0%N/A1.9 $13.51 3/15/20242,010,000 shares $28.24 million +12.9%N/A2 $14.05 2/29/20241,780,000 shares $23.94 million -6.3%N/A1.7 $13.45 2/15/20241,900,000 shares $27.30 million -8.7%N/A1.9 $14.37 1/31/20242,080,000 shares $22.88 million +44.4%N/A2.3 $11.00 1/15/20241,440,000 shares $14.56 million No ChangeN/A3.1 $10.11 12/31/20231,440,000 shares $16.04 million -12.7%N/A3.1 $11.14 12/15/20231,650,000 shares $18.40 million +5.8%N/A3.7 $11.15 11/30/20231,560,000 shares $14.76 million -1.9%N/A3.5 $9.46Crypto Income (almost instantly) (Ad)How would you like to collect a small percentage of the $4 billion changing hands daily in the crypto market? Depending on when you watch this new training, crypto income could be hitting your account as early as tonight!Watch this short video 11/15/20231,590,000 shares $14.17 million -18.5%N/A3 $8.91 10/31/20231,950,000 shares $12.22 million +1.6%N/A2.2 $6.27 10/15/20231,920,000 shares $12.15 million -3.0%N/A0.7 $6.33 9/30/20231,980,000 shares $14.95 million -13.2%N/A0.7 $7.55 9/15/20232,280,000 shares $17.60 million -12.3%N/A0.9 $7.72 8/31/20232,600,000 shares $24.05 million -14.5%N/A1 $9.25 8/15/20233,040,000 shares $27.33 million +341.5%N/A1.2 $8.99 7/31/2023688,500 shares $6.94 million +21.4%N/A0.3 $10.08 7/15/2023567,100 shares $3.71 million -16.3%N/A2.8 $6.55 6/30/2023677,900 shares $4.24 million -16.9%N/A3.7 $6.26 6/15/2023815,400 shares $5.54 million +27.3%2.9%4.4 $6.79 5/31/2023640,700 shares $3.00 million -5.8%N/A3.9 $4.69 5/15/2023680,000 shares $2.94 million -14.3%N/A4.9 $4.33 4/30/2023793,200 shares $3.21 million -3.8%N/A4.7 $4.05 4/15/2023824,400 shares $3.49 million -6.0%N/A4.7 $4.23 3/31/2023877,300 shares $4.31 million +9.5%N/A4.6 $4.91 3/15/2023800,900 shares $3.68 million +14.4%N/A4.3 $4.59 2/28/2023700,400 shares $3.75 million +11.9%N/A3.3 $5.36 2/15/2023625,800 shares $3.78 million +39.7%N/A2.9 $6.04 1/31/2023448,000 shares $2.43 million +8.7%N/A2.2 $5.43 1/15/2023412,100 shares $1.99 million -7.5%1.5%2 $4.83 12/30/2022445,700 shares $1.64 million -31.7%1.6%2.2 $3.68 12/15/2022652,500 shares $2.38 million +12.6%2.4%3 $3.64 11/30/2022579,300 shares $2.18 million +12.7%2.1%2.8 $3.76 11/15/2022514,100 shares $2.15 million -0.3%1.9%2.5 $4.18 10/31/2022515,800 shares $2.33 million -13.2%1.9%2.2 $4.52 10/15/2022593,900 shares $2.30 million -2.1%2.2%2.6 $3.87 9/30/2022606,800 shares $2.66 million +19.6%2.2%2.5 $4.38 9/15/2022507,300 shares $2.49 million +4.7%1.8%1.5 $4.91 8/31/2022484,600 shares $2.59 million -3.3%1.8%1.3 $5.34 8/15/2022501,000 shares $3.05 million -9.6%1.8%1.3 $6.09 7/31/2022553,900 shares $3.40 million -2.5%2.0%1.4 $6.14 7/15/2022568,200 shares $2.69 million -49.7%2.1%1.5 $4.74 6/30/20221,130,000 shares $5.85 million -36.5%4.1%2.9 $5.18 6/15/20221,780,000 shares $9.43 million +12.7%6.5%4.7 $5.30 5/31/20221,580,000 shares $8.44 million +4.6%5.8%5.5 $5.34 5/15/20221,510,000 shares $7.78 million +5.6%5.5%5.5 $5.15 4/30/20221,430,000 shares $7.62 million +23.3%5.2%5.3 $5.33 4/15/20221,160,000 shares $7.96 million +5.5%4.2%4.2 $6.86 3/31/20221,100,000 shares $8.37 million -17.9%4.0%4 $7.61 3/15/20221,340,000 shares $10.64 million +11.7%4.9%5.3 $7.94 2/28/20221,200,000 shares $10.19 million No Change4.4%4.8 $8.49 2/15/20221,200,000 shares $10.12 million +5.3%4.4%5 $8.43 1/31/20221,140,000 shares $9.35 million -0.9%4.2%4.5 $8.20 1/15/20221,150,000 shares $11.04 million +5.5%5.2%4.9 $9.60 12/31/20211,090,000 shares $11.86 million +2.8%4.9%4.7 $10.88 12/15/20211,060,000 shares $11.74 million -13.1%5.0%4.2 $11.08 11/30/20211,220,000 shares $15.62 million -3.9%5.7%5 $12.80 11/15/20211,270,000 shares $19.88 million -19.6%6.0%4.6 $15.65 10/29/20211,580,000 shares $29.04 million -6.5%7.4%5.7 $18.38Crypto Income (almost instantly) (Ad)How would you like to collect a small percentage of the $4 billion changing hands daily in the crypto market? Depending on when you watch this new training, crypto income could be hitting your account as early as tonight!Watch this short video 10/15/20211,690,000 shares $28.31 million -13.3%8.0%6 $16.75 9/30/20211,950,000 shares $28.43 million +12.7%9.2%6.7 $14.58 9/15/20211,730,000 shares $22.68 million +7.5%8.1%5.7 $13.11 8/31/20211,610,000 shares $23.99 million +11.8%7.6%4.9 $14.90 8/13/20211,440,000 shares $18.19 million -10.6%6.8%3.6 $12.63 7/30/20211,610,000 shares $22.62 million +15.0%7.6%3.9 $14.05 7/15/20211,400,000 shares $20.47 million -17.2%6.8%3.4 $14.62 6/30/20211,690,000 shares $29.39 million No Change8.2%3.8 $17.39 6/15/20211,690,000 shares $24.84 million +14.2%8.2%3.6 $14.70 5/28/20211,480,000 shares $22.16 million +1.4%7.2%3.3 $14.97 5/14/20211,460,000 shares $19.20 million +8.2%7.1%4 $13.15 4/30/20211,350,000 shares $22.96 million +18.4%6.6%3.5 $17.01 4/15/20211,140,000 shares $20.35 million -13.0%5.5%2.6 $17.85 3/31/20211,310,000 shares $23.89 million +17.0%6.4%2.8 $18.24 3/15/20211,120,000 shares $29.03 million -7.4%5.4%2.3 $25.92 2/26/20211,210,000 shares $29.15 million -6.9%5.9%2.6 $24.09 2/12/20211,300,000 shares $33.67 million +2.4%6.3%2.7 $25.90 1/29/20211,270,000 shares $32.73 million -1.6%6.2%2.7 $25.77 1/15/20211,290,000 shares $31.59 million -15.7%6.3%2.9 $24.49 12/31/20201,530,000 shares $35.54 million +3.4%7.5%3.5 $23.23 12/15/20201,480,000 shares $29.91 million +2.8%7.2%3.3 $20.21 11/30/20201,440,000 shares $28.11 million -11.7%7.0%3.6 $19.52 11/15/20201,630,000 shares $23.17 million -14.7%8.0%4.3 $14.22 10/30/20201,910,000 shares $27.08 million -13.2%9.3%5.3 $14.18 10/15/20202,200,000 shares $38.83 million -0.9%11.0%6.3 $17.65 9/30/20202,220,000 shares $32.15 million +3.3%11.1%7.6 $14.48 9/15/20202,150,000 shares $26.17 million +3.4%10.8%10.1 $12.17 8/31/20202,080,000 shares $26.12 million -14.1%10.4%9.4 $12.56 8/14/20202,420,000 shares $29.72 million +4.3%12.1%10 $12.28 AMSC Short Interest - Frequently Asked Questions What is American Superconductor's current short interest? Short interest is the volume of American Superconductor shares that have been sold short but have not yet been closed out or covered. As of July 15th, investors have sold 3,090,000 shares of AMSC short. Learn More on American Superconductor's current short interest. What is a good short interest ratio for American Superconductor? 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. AMSC shares currently have a short interest ratio of 3.0. Learn More on American Superconductor's short interest ratio. Which institutional investors are shorting American Superconductor? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of American Superconductor: Jane Street Group LLC, Caption Management LLC, Walleye Trading LLC, Walleye Capital LLC, Capital Fund Management S.A., and Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is American Superconductor's short interest increasing or decreasing? American Superconductor saw a decline in short interest during the month of July. As of July 15th, there was short interest totaling 3,090,000 shares, a decline of 8.8% from the previous total of 3,390,000 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 American Superconductor's short interest compare to its competitors? Here is how the short interest of companies compare to American Superconductor: Belden Inc (1.84%), Enphase Energy, Inc. (21.60%), Franklin Electric Co., Inc. (1.78%), Enersys (2.27%), Brady Corporation (0.68%), Powell Industries, Inc. (18.13%), Vicor Corporation (6.76%), Thermon Group Holdings, Inc. (1.02%), Preformed Line Products Company (3.77%), LSI Industries Inc. (1.77%), 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 American Superconductor stock? Short selling AMSC is an investing strategy that aims to generate trading profit from American Superconductor as its price is falling. AMSC shares are trading up $1.77 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 American Superconductor? A short squeeze for American Superconductor 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 AMSC, which in turn drives the price of the stock up even further. How often is American Superconductor'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 AMSC, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies AYI Short Interest BDC Short Interest FELE Short Interest ENPH Short Interest ENS Short Interest BRC Short Interest POWL Short Interest VICR Short Interest THR Short Interest PLPC Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:AMSC) was last updated on 8/5/2025 by MarketBeat.com Staff From Our PartnersBREAKING: The House just passed 3 pro-crypto bills!THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. Crypto 101 Media | SponsoredMusk’s Project Colossus could mint millionairesI predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new milliona...Brownstone Research | SponsoredMan Who Called Nvidia at $1.10 Says Buy This Now...In 2004, one man called Nvidia before just about anyone knew it existed. 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