ESS Tech (GWH) Short Interest Ratio & Short Volume $5.27 +0.72 (+15.82%) Closing price 10/17/2025 03:59 PM EasternExtended Trading$5.18 -0.09 (-1.71%) As of 10/17/2025 07:59 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 1.06 million shares, representing 11.99% of the float (the number of shares available for trading by the public). This marks a 6.00% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.8, indicating that it would take 2.8 days of the average trading volume of 25.19 million shares to cover all short positions.Current Short Interest1,060,000 sharesPrevious Short Interest1,000,000 sharesChange Vs. Previous Month+6.00%Dollar Volume Sold Short$1.60 millionShort Interest Ratio2.8 Days to CoverLast Record DateSeptember 30, 2025Outstanding Shares14,560,000 sharesFloat Size8,840,000 sharesShort Percent of Float11.99%Today's Trading Volume30,495,539 sharesAverage Trading Volume25,187,804 sharesToday's Volume Vs. Average121% 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 Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. 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 9/30/20251,060,000 shares $1.60 million +6.0%12.0%2.8 $1.51 9/15/20251,000,000 shares $1.39 million -3.9%11.8%3.1 $1.39 8/31/20251,040,000 shares $1.52 million +10.4%12.2%3.4 $1.47 8/15/2025942,200 shares $1.64 million +3.7%11.0%1 $1.74 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 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. 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 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 $1.21 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 September 30th, traders have sold 1,060,000 shares of GWH short. 11.99% 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 3.0. 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. 11.99% of ESS Tech's floating shares are currently sold short. Is ESS Tech's short interest increasing or decreasing? ESS Tech saw a increase in short interest in the month of September. As of September 30th, there was short interest totaling 1,060,000 shares, an increase of 6.0% from the previous total of 1,000,000 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 14,560,000 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 8,840,000 shares. How does ESS Tech's short interest compare to its competitors? 11.99% 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: NeoVolta, Inc. (5.17%), Stem, Inc. (12.72%), Gauzy Ltd. (1.46%), SKYX Platforms Corp. (4.32%), Ultralife Corporation (1.29%), 374Water Inc. (0.85%), Flux Power Holdings, Inc. (5.60%), China BAK Battery, Inc. (0.80%), Zeo Energy Corp. (1.73%), Dragonfly Energy Holdings Corp. (16.01%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Corporation ($15.71 billion), Robinhood Markets, Inc. ($7.56 billion), Reddit Inc. ($4.55 billion), Coinbase Global, Inc. ($4.53 billion), CoreWeave Inc. ($4.43 billion), Charter Communications, Inc. ($4.07 billion), Seagate Technology Holdings PLC ($3.94 billion), IonQ, Inc. ($3.78 billion), TC Energy Corporation ($3.13 billion), and Live Nation Entertainment, Inc. ($3.12 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 $0.72 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 September, 30 2025. More Short Interest Resources from MarketBeat Related Companies NEOV Short Interest Data STEM Short Interest Data GAUZ Short Interest Data SKYX Short Interest Data ULBI Short Interest Data SCWO Short Interest Data FLUX Short Interest Data CBAT Short Interest Data ZEO Short Interest Data DFLI Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:GWH) was last updated on 10/19/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredCapital Gains Tax Strategies for SeniorsCapital gains taxes can take a bite out of your retirement income—unless you have a smart strategy. From holdi...SmartAsset | Sponsored$100 Trillion “AI Metal” Found in American Ghost TownJeff Brown recently traveled to a ghost town in the middle of an American desert… To investigate what could...Brownstone Research | SponsoredFront-Run Buffett's Shocking Gold MoveA Historic Gold Announcement Is About to Rock Wall Street? For months, sharp-eyed analysts have watched the...Golden Portfolio | SponsoredBitcoin grabs headlines, but smart money likes this tokenBitcoin grabs headlines, but smart money likes this token My research team has identified the token positio...Crypto 101 Media | SponsoredTrump’s new nightmare beginsPorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | Sponsored$15 Fund: Turn Gold Boom into Real IncomeIf you've been watching gold's historic run and wondering if it's too late… I've got good news. Because the...Investors Alley | SponsoredBuy UBER immediatelyBULLISH: It's time to buy this 'hidden' AI stock An award-winning stock-rating system has turned BULLISH on...Chaikin Analytics | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding ESS Tech, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share ESS Tech With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
