NYSE:GWH ESS Tech (GWH) Stock Price, News & Analysis $0.37 +0.01 (+2.12%) Closing price 09/18/2026 03:59 PM EasternExtended Trading$0.37 0.00 (-0.27%) As of 09/18/2026 07:56 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 Massive. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsInsider TradesNews and TrendsOwnershipSEC Filings About ESS Tech Stock (NYSE:GWH) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get ESS Tech alerts:Sign Up Key Stats Today's Range$0.36▼$0.3850-Day Range$0.32▼$1.0252-Week Range$0.31▼$13.87Volume563,672 shsAverage Volume929,144 shsMarket Capitalization$12.23 millionP/E RatioN/ADividend YieldN/APrice Target$2.00Consensus RatingHold Company Overview ESS Tech, Inc. develops and manufactures long-duration energy-storage systems based on iron-flow battery technology. Its systems are designed to store electricity for extended periods and discharge it when needed, supporting the integration of renewable energy sources such as solar and wind while helping improve grid reliability. The company’s product portfolio has included the Energy Warehouse, a modular storage system intended for commercial, industrial, microgrid and utility applications, and the Energy Center, a larger-scale platform designed for longer-duration grid storage. ESS’s technology uses iron, salt and water-based electrolyte materials and is positioned as an alternative to conventional lithium-ion batteries for applications requiring frequent cycling and multi-hour storage. Founded in 2011 and headquartered in Wilsonville, Oregon, ESS has focused primarily on the North American energy-storage market while pursuing opportunities with utilities, renewable-energy developers, commercial customers and microgrid operators. The company has also announced and pursued projects and partnerships intended to deploy its systems in additional international markets. Eric Dresselhuys has served as the company’s chief executive officer; co-founder Craig Evans has been associated with the development of its iron-flow battery technology.AI Generated. May Contain Errors. Read More ESS Tech Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks44th Percentile Overall ScoreGWH MarketRank™: ESS Tech scored higher than 44% of companies evaluated by MarketBeat, and ranked 478th out of 658 stocks in the industrials sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion3.2 / 5Analyst RatingHold Consensus RatingESS Tech has received a consensus rating of Hold. The company's average rating score is 2.00, and is based on no strong buy ratings, 1 buy rating, no hold ratings, and 1 sell rating.Upside PotentialESS Tech has a consensus price target of $2.00, representing about 439.1% upside from its current price of $0.37.Amount of Analyst CoverageESS Tech has only been the subject of 1 research reports in the past 90 days.Read more about ESS Tech's stock forecast and price target. Earnings and Valuation1.3 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for ESS Tech are expected to grow in the coming year, from ($1.55) to ($0.57) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of ESS Tech is -0.13, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of ESS Tech is -0.13, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Book Value per Share RatioESS Tech has a P/B Ratio of 0.95. P/B Ratios below 1 indicate that a company could be undervalued with respect to its assets and liabilities.Read more about ESS Tech's valuation and earnings. Short Interest2.0 / 5Short Interest LevelBearish Percentage of Shares Shorted9.42% of the float of ESS Tech has been sold short.Short Interest Ratio / Days to CoverESS Tech has a short interest ratio ("days to cover") of 2.12, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in ESS Tech has recently increased by 4.78%, indicating that investor sentiment is decreasing. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldESS Tech does not currently pay a dividend.Dividend GrowthESS Tech does not have a long track record of dividend growth. News and Social Media1.3 / 5News SentimentN/A News Coverage This WeekMarketBeat has tracked 1 news article for ESS Tech this week, compared to 2 articles on an average week.Search Interest3 people have searched for GWH on MarketBeat in the last 30 days. This is an increase of 50% compared to the previous 30 days.MarketBeat Follows3 people have added ESS Tech to their MarketBeat watchlist in the last 30 days. This is an increase of 50% compared to the previous 30 days. Company Ownership1.3 / 5Insider TradingSelling Shares Insider Buying vs. Insider SellingIn the past three months, ESS Tech insiders have sold more of their company's stock than they have bought. Specifically, they have bought $0.00 in company stock and sold $3,731.00 in company stock.Percentage Held by Insiders1.40% of the stock of ESS Tech is held by insiders.Percentage Held by Institutions46.77% of the stock of ESS Tech is held by institutions. High institutional ownership can be a signal of strong market trust in this company.Read more about ESS Tech's insider trading history. Receive GWH Stock News and Ratings via Email Sign-up to receive the latest news and ratings for ESS Tech and its competitors with MarketBeat's FREE daily newsletter. 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GWH Stock News HeadlinesESS Tech (NYSE:GWH) Stock Price Up 2.2% - Time to Buy?September 17 at 1:43 AM | americanbankingnews.comESS Tech Updates Executive Employment Agreements to Bolster RetentionSeptember 3, 2026 | tipranks.comTrump goes "all-in" on Grand Canyon energy breakthroughA drilling crew near the Grand Canyon uncovered a clean energy well producing nearly eight times the output of Saudi Arabia's largest oil field, with potential to last two million years. While the One Big Beautiful Bill Act eliminated federal credits for solar, wind, and EVs, this energy source was reclassified alongside oil and nuclear power and given eight years of tax credits. Google signed a 15-year contract, and Bill Gates committed $100 million. One company controls the entire supply chain behind this discovery.September 20 at 1:00 AM | Behind the Markets (Ad)ESS Achieves "Awardable" Status Through Department of War’s Tradewinds Solutions MarketplaceSeptember 2, 2026 | finance.yahoo.comSK On secures $1.1 billion US ESS battery contractAugust 30, 2026 | msn.comSK On converts EV lines to ESS, targets 20 GWhAugust 24, 2026 | msn.comESS Tech, Inc. Announces Closing of $3.2 Million Registered Direct Offering and Concurrent Private PlacementAugust 21, 2026 | finance.yahoo.comESS Tech Raises Capital via Direct Offering and WarrantsAugust 21, 2026 | tipranks.comSee More Headlines GWH Stock Analysis - Frequently Asked Questions How have GWH shares performed this year? ESS Tech's stock was trading at $1.84 at the start of the year. Since then, GWH stock has decreased by 79.8% and is now trading at $0.3710. How were ESS Tech's earnings last quarter? ESS Tech, Inc. (NYSE:GWH) announced its earnings results on Tuesday, August, 11th. The company reported ($0.46) earnings per share (EPS) for the quarter, missing analysts' consensus estimates of ($0.44) by $0.02. The business earned $0.07 million during the quarter, compared to the consensus estimate of $0.10 million. Read the conference call transcript. When did ESS Tech's stock split? ESS Tech shares reverse split before market open on Monday, August 26th 2024.The 1-15 reverse split was announced on Monday, August 26th 2024. The number of shares owned by shareholders was adjusted after the closing bell on Monday, August 26th 2024. An investor that had 100 shares of stock prior to the reverse split would have 7 shares after the split. How do I buy shares of ESS Tech? Shares of GWH stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of ESS Tech own? Based on aggregate information from My MarketBeat watchlists, some other companies that ESS Tech investors own include Enovix (ENVX), Rambus (RMBS), Compass Pathways (CMPS), Ginkgo Bioworks (DNA), Toast (TOST), Luminar Technologies (LAZR) and Globant (GLOB). Company Calendar Last Earnings8/11/2026Today9/20/2026Next Earnings (Estimated)11/12/2026Fiscal Year End12/31/2026Get Stock Alerts Health Indicator TradeSmith's Health IndicatorA long-term volatility-based measure designed for securities held 12 months or longer.Green: Strong and healthy uptrend with normal pullbacks.Yellow: Significant pullback but still within expected volatility.Red: Dropped beyond expected volatility; considered unhealthy. Red Zone (6m+) 1-Year History Sep 25 Dec 25 Mar 26 Jun 26 Sep 26 GWH's financial health is in the Red zone, according to TradeSmith. GWH has been in this zone for over 6 months. Industry, Sector and Symbol Stock ExchangeNYSE SectorIndustrials Industry Electrical Equipment Sub-IndustryElectrical Components & Equipment Current SymbolNYSE:GWH CIK1819438 Webwww.essinc.com Phone855-423-9920FaxN/AEmployees62Year Founded2011Price Target and Rating Average Price Target for ESS Tech$2.00 High Price Target$2.00 Low Price Target$2.00 Potential Upside/Downside+439.1%Consensus RatingHold Rating Score (0-4)2.00 Research Coverage2 Analysts Profitability EPS (Trailing Twelve Months)($2.93) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$63.44 million Net MarginsN/A Pretax Margin-5,515.83% Return on Equity-1,934.84% Return on Assets-156.40% Debt Debt-to-Equity Ratio0.95 Current Ratio0.68 Quick Ratio0.67 Sales & Book Value Annual Sales$1.58 million Price / Sales7.74 Cash FlowN/A Price / Cash FlowN/A Book Value$0.39 per share Price / Book0.95Miscellaneous Outstanding Shares32,970,000Free Float32,508,000Market Cap$12.23 million OptionableNo Data Beta1.34 Social Links The 10 Best High-Yield Dividend Stocks for 2026Discover the 10 Best High-Yield Dividend Stocks for 2026 and secure reliable income in uncertain markets. 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