ESS Tech (GWH) Short Interest Ratio & Short Volume $1.53 -0.08 (-4.97%) Closing price 03:59 PM EasternExtended Trading$1.58 +0.05 (+3.27%) As of 05:07 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock ESS Tech Short Interest DataESS Tech (GWH) has a short interest of 908,300 shares, representing 11.16% of the float (the number of shares available for trading by the public). This marks a -11.82% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.0, indicating that it would take 1.0 days of the average trading volume of 434,923 shares to cover all short positions.Current Short Interest908,300 sharesPrevious Short Interest1,030,000 sharesChange Vs. Previous Month-11.82%Dollar Volume Sold Short$1.73 millionShort Interest Ratio1.0 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares12,900,000 sharesFloat Size8,140,000 sharesShort Percent of Float11.16%Today's Trading Volume142,250 sharesAverage Trading Volume434,923 sharesToday's Volume Vs. Average33% Short Selling ESS Tech? Sign up to receive the latest short interest report for ESS Tech and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartGWH Short Interest Over TimeGWH Days to Cover Over TimeGWH Percentage of Float Shorted Over Time ESS Tech Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/2025908,300 shares $1.73 million -11.8%11.2%1 $1.91 7/15/20251,030,000 shares $1.33 million +7.8%18.5%1.1 $1.29 6/30/2025955,600 shares $1.28 million -2.9%19.2%1.2 $1.34 6/15/2025984,400 shares $1.03 million +51.4%19.8%1.3 $1.05 5/31/2025650,100 shares $1.11 million +19.8%13.1%0.9 $1.71 5/15/2025542,500 shares $1.42 million +18.7%10.9%7.7 $2.62 4/30/2025457,100 shares $1.01 million +19.7%9.2%7.1 $2.21 4/15/2025382,000 shares $888.15 thousand -0.2%7.7%5.6 $2.33 3/31/2025382,900 shares $1.23 million +7.4%7.5%5.2 $3.22 3/15/2025356,500 shares $1.16 million -17.5%7.1%4.5 $3.26 Get the Latest News and Ratings for GWH and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ESS Tech and its competitors with MarketBeat's FREE daily newsletter. 2/28/2025432,300 shares $1.57 million +15.8%8.6%5 $3.63 2/15/2025373,200 shares $1.50 million -7.9%7.4%4.4 $4.01 1/31/2025405,100 shares $2.22 million +1.1%8.0%4.4 $5.49 1/15/2025400,800 shares $2.05 million +4.4%7.9%4.2 $5.12 12/31/2024384,100 shares $2.26 million +8.3%7.6%4 $5.88 12/15/2024354,700 shares $1.81 million -15.3%7.0%4 $5.09 11/30/2024418,900 shares $2.62 million +20.3%8.3%4.8 $6.26 11/15/2024348,200 shares $1.82 million -27.9%6.9%3.5 $5.23 10/31/2024483,100 shares $3.62 million -0.5%9.3%5.7 $7.50 10/15/2024485,700 shares $3.82 million +8.3%9.7%6.3 $7.86 9/30/2024448,600 shares $2.84 million +30.1%9.0%6.1 $6.32 9/15/2024344,800 shares $1.87 million -14.7%6.9%4 $5.42 8/31/2024404,300 shares $3.03 million -10.9%8.2%5.1 $7.49 8/15/2024453,700 shares $264.33 thousand -93.0%0.7%7 $0.58 7/31/20246,440,000 shares $4.82 million +13.8%9.8%7.3 $0.75 7/15/20245,660,000 shares $4.86 million -32.9%10.0%6.4 $0.86 6/30/20248,440,000 shares $6.90 million +4.7%14.8%9.9 $0.82 6/15/20248,060,000 shares $6.04 million -21.2%14.2%10.8 $0.75 5/31/202410,230,000 shares $7.64 million +17.7%18.0%12.2 $0.75 5/15/20248,690,000 shares $6.79 million -10.0%15.3%10.5 $0.78 4/30/20249,660,000 shares $7.43 million -11.1%16.6%11.3 $0.77 4/15/202410,860,000 shares $7.23 million -13.2%18.6%12.1 $0.67 3/31/202412,510,000 shares $9.05 million +5.5%21.4%13.1 $0.72 3/15/202411,860,000 shares $8.33 million +0.1%20.8%11.3 $0.70 2/29/202411,850,000 shares $10.39 million +8.4%21.0%12.1 $0.88 2/15/202410,930,000 shares $10.84 million +4.8%19.4%10.8 $0.99 1/31/202410,430,000 shares $10.74 million -8.8%19.1%9.7 $1.03 1/15/202411,430,000 shares $11.54 million -10.8%21.3%10 $1.01 12/31/202312,820,000 shares $14.61 million +16.1%23.9%10.8 $1.14 12/15/202311,040,000 shares $13.36 million -3.0%20.6%8.2 $1.21BREAKING: The House just passed 3 pro-crypto bills! 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Discover the under-the-radar project I believe will skyrocket as a result. 11/30/202311,380,000 shares $13.37 million +3.7%28.2%8.4 $1.18 11/15/202310,970,000 shares $13.82 million +14.8%27.2%7.9 $1.26 10/31/20239,560,000 shares $11.47 million +7.4%26.2%6.4 $1.20 10/15/20238,900,000 shares $16.91 million -3.3%24.4%6.1 $1.90 9/30/20239,200,000 shares $17.30 million +14.9%25.2%6.2 $1.88 9/15/20238,010,000 shares $12.18 million +1.8%15.1%5.8 $1.52 8/31/20237,870,000 shares $11.25 million +3.8%15.1%6.1 $1.43 8/15/20237,580,000 shares $9.74 million +3.3%14.5%5.7 $1.29 7/31/20237,340,000 shares $14.13 million +7.3%14.1%4.4 $1.93 7/15/20236,840,000 shares $12.18 million -5.4%13.2%4.3 $1.78 6/30/20237,230,000 shares $10.63 million +4.2%14.0%4.8 $1.47 6/15/20236,940,000 shares $10.17 million -11.4%13.5%4.8 $1.47 5/31/20237,830,000 shares $9.00 million -9.7%15.2%5.3 $1.15 5/15/20238,670,000 shares $7.45 million -7.7%16.6%5.5 $0.86 4/30/20239,390,000 shares $10.05 million +1.8%18.0%8.2 $1.07 4/15/20239,220,000 shares $11.62 million -0.9%17.5%7.2 $1.26 3/31/20239,300,000 shares $12.93 million +8.6%17.9%6.9 $1.39 3/15/20238,560,000 shares $9.16 million +0.8%17.0%5.9 $1.07 2/28/20238,490,000 shares $15.45 million -6.3%16.6%5.9 $1.82 2/15/20239,060,000 shares $21.02 million -14.2%17.9%6.4 $2.32 1/31/202310,560,000 shares $23.34 million -3.9%22.2%7.3 $2.21 1/15/202310,990,000 shares $27.15 million -2.7%24.6%7.9 $2.47 12/30/202211,300,000 shares $27.46 million +3.0%25.3%7.8 $2.43 12/15/202210,970,000 shares $27.86 million +7.2%24.6%7.8 $2.54 11/30/202210,230,000 shares $32.94 million +5.5%22.9%7.2 $3.22 11/15/20229,700,000 shares $39.38 million +5.4%21.7%7.3 $4.06 10/31/20229,200,000 shares $38.92 million +8.9%19.6%7.1 $4.23 10/15/20228,450,000 shares $34.05 million +6.3%18.0%6.8 $4.03 9/30/20227,950,000 shares $32.52 million +31.8%17.0%7 $4.09 9/15/20226,030,000 shares $28.64 million -8.9%12.9%4.9 $4.75 8/31/20226,620,000 shares $29.39 million -7.2%14.3%5.4 $4.44 8/15/20227,130,000 shares $35.08 million +8.9%15.4%5.5 $4.92 7/31/20226,550,000 shares $24.89 million -7.6%14.2%4.7 $3.80 7/15/20227,090,000 shares $22.12 million -1.3%15.4%5.1 $3.12 6/30/20227,180,000 shares $20.18 million +37.6%15.5%5.2 $2.81 6/15/20225,220,000 shares $17.28 million +9.2%11.3%3.7 $3.31 5/31/20224,780,000 shares $19.74 million +3.5%10.3%3.9 $4.13 5/15/20224,620,000 shares $22.87 million -10.5%10.0%4.1 $4.95 4/30/20225,160,000 shares $28.74 million +7.3%11.1%5.8 $5.57 4/15/20224,810,000 shares $28.23 million -2.8%10.4%5.2 $5.87 3/31/20224,950,000 shares $27.57 million +24.7%10.8%5.6 $5.57 3/15/20223,970,000 shares $16.87 million -3.4%8.7%4.9 $4.25 2/28/20224,110,000 shares $21.33 million +30.5%9.0%5.4 $5.19 2/15/20223,150,000 shares $16.13 million +30.2%30.6%4.1 $5.12 1/31/20222,420,000 shares $13.19 million -14.8%5.0%2.9 $5.45 1/15/20222,840,000 shares $22.72 million +6.4%5.7%3.3 $8.00 12/31/20212,670,000 shares $30.54 million No Change5.3%1.1 $11.44 GWH Short Interest - Frequently Asked Questions What is ESS Tech's current short interest? Short interest is the volume of ESS Tech shares that have been sold short but have not yet been covered or closed out. As of July 31st, investors have sold 908,300 shares of GWH short. 11.16% of ESS Tech's shares are currently sold short. Learn More on ESS Tech's current short interest. What is a good short interest ratio for ESS Tech? 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. GWH shares currently have a short interest ratio of 1.0. Learn More on ESS Tech's short interest ratio. What is a good short interest percentage for ESS Tech? 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. 11.16% of ESS Tech's floating shares are currently sold short. Is ESS Tech's short interest increasing or decreasing? ESS Tech saw a drop in short interest during the month of July. As of July 31st, there was short interest totaling 908,300 shares, a drop of 11.8% from the previous total of 1,030,000 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 ESS Tech's float size? ESS Tech currently has issued a total of 12,900,000 shares. Some of ESS Tech'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. ESS Tech currently has a public float of 8,140,000 shares. How does ESS Tech's short interest compare to its competitors? 11.16% of ESS Tech's shares are currently sold short. Here is how the short interest of companies in the industry of "electrical equipment" compare to ESS Tech: China BAK Battery, Inc. (1.33%), Pioneer Power Solutions, Inc. (0.18%), Captivision Inc. (0.18%), 374Water Inc. (1.46%), Laser Photonics Co. (14.04%), Flux Power Holdings, Inc. (4.57%), Welsbach Technology Metals Acquisition Corp. (0.12%), Sunrise New Energy Co., Ltd. (0.03%), Orion Energy Systems, Inc. (0.09%), Electra Battery Materials Corporation (1.43%), 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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), MicroStrategy Incorporated ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short ESS Tech stock? Short selling GWH is an investing strategy that aims to generate trading profit from ESS Tech as its price is falling. GWH 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 ESS Tech? A short squeeze for ESS Tech 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 GWH, which in turn drives the price of the stock up even further. How often is ESS Tech'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 GWH, twice per month. The most recent reporting period available is July, 31 2025. 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