Aehr Test Systems (AEHR) Short Interest Ratio & Short Volume $9.03 -0.03 (-0.33%) Closing price 03/25/2025 04:00 PM EasternExtended Trading$9.19 +0.16 (+1.77%) As of 03/25/2025 07:57 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Aehr Test Systems Short Interest DataAehr Test Systems (AEHR) has a short interest of 7.17 million shares, representing 25.73% of the float (the number of shares available for trading by the public). This marks a -0.83% decrease in short interest from the previous month. The short interest ratio (days to cover) is 5.6, indicating that it would take 5.6 days of the average trading volume of 1.19 million shares to cover all short positions.Current Short Interest7,170,000 sharesPrevious Short Interest7,230,000 sharesChange Vs. Previous Month-0.83%Dollar Volume Sold Short$69.12 millionShort Interest Ratio5.6 Days to CoverLast Record DateFebruary 28, 2025Outstanding Shares29,712,000 sharesShort Percent of Float25.73%Today's Trading Volume446,350 sharesAverage Trading Volume1,194,787 sharesToday's Volume Vs. Average37% Short Selling Aehr Test Systems? Sign up to receive the latest short interest report for Aehr Test Systems and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAEHR Short Interest Over TimeAEHR Days to Cover Over TimeAEHR Percentage of Float Shorted Over Time Remove Ads Aehr Test Systems Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 2/28/20257,170,000 shares $69.12 million -0.8%25.7%5.6 $9.64 2/15/20257,230,000 shares $77.51 million +10.4%25.9%5.9 $10.72 1/31/20256,550,000 shares $74.21 million -6.3%N/A5.3 $11.33 1/15/20256,990,000 shares $90.45 million +7.9%N/A5.3 $12.94 12/31/20246,480,000 shares $107.76 million No ChangeN/A4.6 $16.63 12/15/20246,480,000 shares $74.71 million +1.6%N/A4.9 $11.53 11/30/20246,380,000 shares $75.86 million -2.2%N/A5.5 $11.89 11/15/20246,520,000 shares $70.29 million +4.3%N/A5.6 $10.78 10/31/20246,250,000 shares $88 million +15.1%N/A5.4 $14.08 10/15/20245,430,000 shares $79.12 million +3.0%N/A4.6 $14.57 Get the Latest News and Ratings for AEHR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Aehr Test Systems and its competitors with MarketBeat's FREE daily newsletter. 9/30/20245,270,000 shares $67.72 million +4.8%N/A3.7 $12.85 9/15/20245,030,000 shares $65.09 million -1.0%N/A3.4 $12.94 8/31/20245,080,000 shares $77.27 million +0.4%N/A3.5 $15.21 8/15/20245,060,000 shares $74.58 million +10.7%N/A3.4 $14.74 7/31/20244,570,000 shares $86.24 million -25.6%N/A3.1 $18.87 7/15/20246,140,000 shares $100.88 million +5.0%N/A4.7 $16.43 6/30/20245,850,000 shares $65.34 million +0.7%N/A6.1 $11.17 6/15/20245,810,000 shares $76.75 million -10.3%N/A5.9 $13.21 5/31/20246,480,000 shares $74.58 million +3.9%N/A6.4 $11.51 5/15/20246,240,000 shares $70.82 million +3.7%N/A6.1 $11.35 4/30/20246,020,000 shares $72.12 million +4.2%N/A5 $11.98 4/15/20245,780,000 shares $66.76 million +3.0%N/A4.3 $11.55 3/31/20245,610,000 shares $69.56 million -5.2%N/A3.4 $12.40 3/15/20245,920,000 shares $84.18 million -0.7%N/A3.6 $14.22 2/29/20245,960,000 shares $96.97 million -2.0%N/A3.9 $16.27 2/15/20246,080,000 shares $110.35 million +1.0%N/A4 $18.15 1/31/20246,020,000 shares $89.40 million -1.5%N/A4.2 $14.85 1/15/20246,110,000 shares $106.74 million -0.8%N/A4.4 $17.47 12/31/20236,160,000 shares $163.42 million +11.8%N/A4.8 $26.53 12/15/20235,510,000 shares $152.30 million -0.4%N/A4.7 $27.64 11/30/20235,530,000 shares $126.97 million -9.3%N/A5.1 $22.96 11/15/20236,100,000 shares $159.03 million -8.3%N/A5.6 $26.07 10/31/20236,650,000 shares $156.67 million +10.1%N/A6 $23.56 10/15/20236,040,000 shares $233.99 million +22.0%N/A6 $38.74 9/30/20234,950,000 shares $226.22 million +2.3%N/A4.3 $45.70 9/15/20234,840,000 shares $227.82 million -12.2%N/A4.6 $47.07 8/31/20235,510,000 shares $281.07 million +6.0%N/A4.8 $51.01 8/15/20235,200,000 shares $226.88 million +2.6%N/A4.4 $43.63 7/31/20235,070,000 shares $264.45 million -15.2%N/A4.4 $52.16 7/15/20235,980,000 shares $292.78 million +24.1%N/A5 $48.96The Trump Dump is starting; Get out of stocks now? (Ad)The first 365 days of the Trump presidency… Will be the best time to get rich in American history.If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a 6/30/20234,820,000 shares $198.83 million -7.7%N/A4.8 $41.25 6/15/20235,220,000 shares $220.34 million +14.0%N/A4.3 $42.21 5/31/20234,580,000 shares $151.23 million -4.6%N/A3.7 $33.02 5/15/20234,800,000 shares $139.97 million +3.5%N/A3.6 $29.16 4/30/20234,640,000 shares $114.84 million -10.1%N/A3.2 $24.75 4/15/20235,160,000 shares $149.23 million +17.0%N/A3.3 $28.92 3/31/20234,410,000 shares $136.80 million -8.5%N/A2.6 $31.02 3/15/20234,820,000 shares $144.70 million +7.4%N/A2.9 $30.02 2/28/20234,490,000 shares $149.74 million +7.4%N/A2.8 $33.35 2/15/20234,180,000 shares $146.72 million -3.9%N/A2.9 $35.10 1/31/20234,350,000 shares $152.08 million +6.6%N/A2.8 $34.96 1/15/20234,080,000 shares $119.30 million -10.9%N/A2.4 $29.24 12/30/20224,580,000 shares $92.06 million -2.1%N/A2.4 $20.10 12/15/20224,680,000 shares $108.62 million -2.9%N/A2.8 $23.21 11/30/20224,820,000 shares $125.66 million +19.3%N/A2.8 $26.07 11/15/20224,040,000 shares $103.63 million -7.1%N/A2.3 $25.65 10/31/20224,350,000 shares $89.48 million +26.5%N/A2.5 $20.57 10/15/20223,440,000 shares $50.81 million +16.2%N/A2.1 $14.77 9/30/20222,960,000 shares $41.74 million +26.0%N/A2.1 $14.10 9/15/20222,350,000 shares $39.74 million +24.3%N/A2 $16.91 8/31/20221,890,000 shares $27.48 million -3.1%N/A1.9 $14.54 8/15/20221,950,000 shares $36.08 million +29.1%N/A2.5 $18.50 7/31/20221,510,000 shares $17.23 million +49.5%N/A2.5 $11.41 7/15/20221,010,000 shares $8.27 million -1.9%N/A2.1 $8.19 6/30/20221,030,000 shares $7.73 million -14.2%N/A2.6 $7.50 6/15/20221,200,000 shares $9.70 million -18.9%N/A2.6 $8.08 5/31/20221,480,000 shares $12.40 million -10.3%N/A2.7 $8.38 5/15/20221,650,000 shares $13.25 million -6.8%N/A2.7 $8.03 4/30/20221,770,000 shares $13.59 million -8.3%N/A2.7 $7.68 4/15/20221,930,000 shares $17.35 million -4.0%N/A2.6 $8.99 3/31/20222,010,000 shares $20.42 million -6.9%N/A2.1 $10.16 3/15/20222,160,000 shares $20.17 million -4.9%N/A1.9 $9.34 2/28/20222,270,000 shares $30.87 million -4.2%N/A1.9 $13.60 2/15/20222,370,000 shares $34.32 million +13.9%N/A1.9 $14.48 1/31/20222,080,000 shares $26.52 million -5.5%N/A1.4 $12.75 1/15/20222,200,000 shares $29.44 million -0.5%N/A1.3 $13.38 12/31/20212,210,000 shares $53.44 million +67.4%N/A1.1 $24.18 12/15/20211,320,000 shares $21.62 million +39.1%N/A0.4 $16.38 11/30/2021949,300 shares $16.54 million -23.4%N/A0.3 $17.42 11/15/20211,240,000 shares $31.12 million -23.0%N/A0.3 $25.10 10/29/20211,610,000 shares $36.42 million -25.5%N/A0.4 $22.62 10/15/20212,160,000 shares $45.68 million +55.4%N/A0.5 $21.15 9/30/20211,390,000 shares $18.97 million +2.2%6.5%0.2 $13.65 9/15/20211,360,000 shares $14.70 million -1.5%6.7%0.2 $10.81 8/31/20211,380,000 shares $10.29 million +41.6%6.8%0.2 $7.46 8/13/2021974,500 shares $5.53 million -17.4%4.9%0.2 $5.67 7/30/20211,180,000 shares $6.63 million +526.0%5.9%0.2 $5.62 7/15/2021188,500 shares $529,685.00 +82.5%1.0%0 $2.81 6/30/2021103,300 shares $285,108.00 -30.3%0.5%0.3 $2.76 6/15/2021148,300 shares $391,512.00 -53.2%0.7%0.4 $2.64The Trump Dump is starting; Get out of stocks now? (Ad)The first 365 days of the Trump presidency… Will be the best time to get rich in American history.If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a 5/28/2021317,000 shares $713,250.00 -5.8%1.6%0.9 $2.25 5/14/2021336,400 shares $662,708.00 +17.1%1.7%0.9 $1.97 4/30/2021287,300 shares $663,663.00 +18.6%1.4%0.7 $2.31 4/15/2021242,300 shares $547,598.00 +16.6%1.2%0.5 $2.26 3/31/2021207,900 shares $494,802.00 +14.4%1.1%0.4 $2.38 3/15/2021181,800 shares $465,408.00 -28.1%0.9%0.4 $2.56 2/26/2021252,900 shares $733,410.00 +30.8%1.3%0.4 $2.90 2/12/2021193,400 shares $618,880.00 +22.7%1.0%0.3 $3.20 1/29/2021157,600 shares $384,544.00 +29.3%0.8%0.4 $2.44 1/15/2021121,900 shares $262,085.00 +51.2%0.6%0.3 $2.15 12/31/202080,600 shares $188,604.00 -55.3%0.4%0.2 $2.34 12/15/2020180,200 shares $369,410.00 +364.4%0.9%0.5 $2.05 11/30/202038,800 shares $66,154.00 -20.2%0.2%0.1 $1.71 11/15/202048,600 shares $75,816.00 -5.8%0.3%0.3 $1.56 10/30/202051,600 shares $60,888.00 -22.2%0.3%0.3 $1.18 10/15/202066,300 shares $95,472.00 -34.7%0.3%0.5 $1.44 9/30/2020101,600 shares $141,224.00 -11.7%0.5%0.6 $1.39 9/15/2020115,000 shares $165,600.00 +35.5%0.6%0.9 $1.44 8/31/202084,900 shares $151,122.00 -18.0%0.4%0.8 $1.78 8/14/2020103,500 shares $215,280.00 -2.0%0.5%1.1 $2.08 7/31/2020105,600 shares $216,480.00 -9.0%0.5%1.2 $2.05 7/15/2020116,000 shares $215,760.00 -5.0%0.6%1.4 $1.86 6/30/2020122,100 shares $238,095.00 -6.4%0.6%2.3 $1.95 6/15/2020130,500 shares $251,865.00 -8.0%0.6%2.3 $1.93 5/29/2020141,900 shares $234,135.00 -0.4%0.7%2.3 $1.65 5/15/2020142,500 shares $215,175.00 -2.8%0.7%2.4 $1.51 4/30/2020146,600 shares $255,084.00 -13.3%0.7%1.8 $1.74 4/15/2020169,100 shares $265,487.00 -12.6%0.8%2 $1.57 3/31/2020193,400 shares $332,648.00 -2.3%1.0%1.7 $1.72 AEHR Short Interest - Frequently Asked Questions What is Aehr Test Systems' current short interest? Short interest is the volume of Aehr Test Systems shares that have been sold short but have not yet been covered or closed out. As of February 28th, investors have sold 7,170,000 shares of AEHR short. 25.73% of Aehr Test Systems' shares are currently sold short. Learn More on Aehr Test Systems' current short interest. What is a good short interest ratio for Aehr Test Systems? 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. AEHR shares currently have a short interest ratio of 6.0. Learn More on Aehr Test Systems's short interest ratio. Which institutional investors are shorting Aehr Test Systems? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Aehr Test Systems: GTS Securities LLC, Wolverine Trading LLC, Squarepoint Ops LLC, Millennium Management LLC, Group One Trading LLC, Citadel Advisors LLC, Bank of America Corp DE, Jane Street Group LLC, Tudor Investment Corp ET AL, Parallax Volatility Advisers L.P., Two Sigma Securities LLC, Walleye Trading LLC, Walleye Capital LLC, Capital Fund Management S.A., National Bank of Canada FI, Simplex Trading LLC, and IMC Chicago LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Aehr Test Systems? 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. 25.73% of Aehr Test Systems' floating shares are currently sold short. Is Aehr Test Systems' short interest increasing or decreasing? Aehr Test Systems saw a decline in short interest in February. As of February 28th, there was short interest totaling 7,170,000 shares, a decline of 0.8% from the previous total of 7,230,000 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 Aehr Test Systems' short interest compare to its competitors? 25.73% of Aehr Test Systems' shares are currently sold short. Here is how the short interest of companies in the industry of "measuring and control equipment" compare to Aehr Test Systems: Transcat, Inc. (5.21%), Cytek Biosciences, Inc. (2.97%), EyePoint Pharmaceuticals, Inc. (16.50%), Standard BioTools Inc. (3.93%), Allient Inc. (1.77%), Quantum-Si incorporated (12.82%), Quanterix Co. (9.10%), 908 Devices Inc. (8.74%), Frequency Electronics, Inc. (0.17%), Kewaunee Scientific Co. (2.20%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($23.74 billion), iShares 20+ Year Treasury Bond ETF ($10.75 billion), MicroStrategy Incorporated ($6.56 billion), Apollo Global Management, Inc. ($5.40 billion), Charter Communications, Inc. ($4.57 billion), AppLovin Co. ($4.45 billion), Capital One Financial Co. ($4.33 billion), Super Micro Computer, Inc. ($4.23 billion), Schlumberger Limited ($3.22 billion), and Royal Caribbean Cruises Ltd. ($3.06 billion). View all of the most shorted stocks. What does it mean to sell short Aehr Test Systems stock? Short selling AEHR is an investing strategy that aims to generate trading profit from Aehr Test Systems as its price is falling. AEHR shares are trading down $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 Aehr Test Systems? A short squeeze for Aehr Test Systems 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 AEHR, which in turn drives the price of the stock up even further. How often is Aehr Test Systems' 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 AEHR, twice per month. The most recent reporting period available is February, 28 2025. More Short Interest Resources from MarketBeat Related Companies Transcat Short Squeeze Cytek Biosciences Short Squeeze EyePoint Pharmaceuticals Short Squeeze Standard BioTools Short Squeeze Allient Short Squeeze Quantum-Si Short Squeeze Quanterix Short Squeeze 908 Devices Short Squeeze Frequency Electronics Short Squeeze Kewaunee Scientific Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:AEHR) was last updated on 3/26/2025 by MarketBeat.com Staff From Our PartnersNew “Trump” currency proposed in DCAccording to one of the most connected men in Washington… A surprising new bill was just introduced in Wash...Paradigm Press | SponsoredTrump’s Final Plan Presidential insider exposes shocking plot to reshape U.S. economy: The 2025 Trump Reset -- Inside Trump’...Porter & Company | SponsoredA brutally honest economic warning for 2025 (see proof)New York Times best-selling financial author and world-renowned economist Addison Wiggin (a man who’s worked s...Banyan Hill Publishing | SponsoredA market crash is coming—here’s whenThe stock market cycle I've used to identify the most likely day of the next market crash is the exact same in...Chaikin Analytics | SponsoredURGENT: Someone's Moving Gold Out of London...People who don’t understand the gold market are about to lose a lot of money. 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