Business Wire (Wed, 8-Jul 8:31 AM ET)
Market Chameleon (Mon, 29-Jun 6:31 AM ET)
ESS Added to Russell Microcap Index
Business Wire (Mon, 29-Jun 8:31 AM ET)
ESS Fast-Tracks Sodium-Ion Battery Development After Near $1 Billion in Customer Interest
Market Chameleon (Tue, 23-Jun 6:30 AM ET)
Business Wire (Tue, 23-Jun 8:31 AM ET)
ESS to Present in Clean Energy Group's Beyond Lithium Webinar Series on June 3, 2026
Business Wire (Wed, 20-May 8:30 AM ET)
Sidoti Events, LLC's May Micro-Cap Virtual Conference
ACCESS Newswire (Wed, 20-May 7:30 AM ET)
ESS to Attend Sidoti Micro-Cap Virtual Conference on May 20, 2026
Business Wire (Thu, 14-May 8:30 AM ET)
ESS Tech, Inc. Announces First Quarter 2026 Financial Results
Business Wire (Thu, 7-May 4:05 PM ET)
ESS Highlights Third-Party Utility Validating Iron Flow Battery Technology
Business Wire (Wed, 6-May 8:31 AM ET)
ESS Tech Inc is a long-duration energy storage company specializing in iron flow battery technology. It develops and manufactures long-duration energy storage systems based on iron flow battery technology. The company's batteries use earth-abundant materials, including iron, salt, and water, and are designed for high cycle life and recyclability. It operates as a single business operating segment, which includes all activities related to the design, engineering, and manufacturing of the company's long duration energy storage products. The company's revenue is derived from the sale of its energy storage products and from service contracts.
Ess Tech trades on the NYSE stock market under the symbol GWH.
As of July 9, 2026, GWH stock price climbed to $0.82 with 250,674 million shares trading.
GWH has a beta of 0.06, meaning it tends to be less sensitive to market movements. GWH has a correlation of 0.00 to the broad based SPY ETF.
GWH has a market cap of $24.23 million. This is considered a Sub-Micro Cap stock.
Last quarter Ess Tech reported $128,000 in Revenue and -$.54 earnings per share. This fell short of revenue expectation by $-272,000 and missed earnings estimates by -$.25.
In the last 3 years, GWH traded as high as $31.80 and as low as $.57.
The top ETF exchange traded funds that GWH belongs to (by Net Assets): VTI, VXF, IWC.
GWH has underperformed the market in the last year with a return of -51.8%, while the SPY ETF gained +21.7%. In the last 3 month period, GWH fell short of the market, returning -28.3%, while SPY returned +10.8%. However, in the most recent 2 weeks GWH has outperformed the stock market by returning +7.9%, while SPY returned +2.4%.
GWH support price is $.74 and resistance is $.88 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that GWH shares will trade within this expected range on the day.
