GWH Stock Summary and Trading Ideas (Ess Tech | NYSE:GWH)

ESS Tech Inc is a long-duration energy storage company specializing in iron flow battery technology. The company design and produce long-duration batteries predominantly using earth-abundant materials.

Ess Tech trades on the NYSE stock market under the symbol GWH.

As of January 9, 2026, GWH stock price climbed to $1.91 with 852,280 million shares trading.

GWH has a beta of 1.26, meaning it tends to be more sensitive to market movements. GWH has a correlation of 0.03 to the broad based SPY ETF.

GWH has a market cap of $37.47 million. This is considered a Sub-Micro Cap stock.

Last quarter Ess Tech reported $214,000 in Revenue and -$.73 earnings per share. This fell short of revenue expectation by $-4 million and exceeded earnings estimates by $.18.

In the last 3 years, GWH traded as high as $38.55 and as low as $.76.

The top ETF exchange traded funds that GWH belongs to (by Net Assets): VTI, VXF.

GWH has underperformed the market in the last year with a return of -66.0%, while SPY returned +19.0%. This shows that you would have done better investing in the overall market (through SPY) over the last year than in GWH shares. However, GWH has outperformed the market in the last 3 month and 2 week periods, returning +11.0% and +2.7%, while SPY returned +3.7% and +0.5%, respectively. This indicates GWH has been having a stronger performance recently.

GWH support price is $1.76 and resistance is $2.00 (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.