- ISIN
- US26916J1060
- CUSIP
- 26916J106
- Sector
- Industrials
- Industry
- Electrical Equipment & Parts
- IPO Date
- Jan 4, 2021
Highlights
- Market Cap
- $26.95M
- Enterprise Value
- $16.73M
- EPS (TTM)
- -$2.40
- Total Revenue (TTM)
- $1.11M
- Gross Profit (TTM)
- -$32.30M
- EBITDA (TTM)
- -$47.24M
- Year Range
- $0.57 - $13.87
- Target Price
- $3.79
- ROA (TTM)
- -93.50%
- ROE (TTM)
- -480.77%
Share Price Chart
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Performance
GWH Performance Chart
ESS Tech, Inc. (GWH) is down 51.1% since the beginning of the year. At $1 per share, GWH is trading 93.4% below its 52-week high of $14. Investors who bought $1,000 worth of GWH shares 5 years ago would now be looking at an investment worth $6.
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Returns By Period
ESS Tech, Inc. (GWH) has returned -51.06% so far this year and -30.83% over the past 12 months.
ESS Tech, Inc.
- 1D
- -6.12%
- 1M
- -17.12%
- YTD
- -51.06%
- 6M
- -59.47%
- 1Y
- -30.83%
- 3Y*
- -63.49%
- 5Y*
- -63.81%
- 10Y*
- —
Benchmark (S&P 500 Index)
- 1D
- -0.74%
- 1M
- 4.90%
- YTD
- 10.35%
- 6M
- 10.28%
- 1Y
- 26.52%
- 3Y*
- 20.83%
- 5Y*
- 12.30%
- 10Y*
- 13.66%
GWH Monthly Returns History
Based on dividend-adjusted daily data since Jan 4, 2021, GWH's average daily return is -0.04%, while the average monthly return is -4.00%.
Historically, 32% of months were positive and 68% were negative. The best month was Oct 2025 with a return of +171.7%, while the worst month was Jan 2022 at -52.4%. The longest winning streak lasted 3 consecutive months, and the longest losing streak was 8 months.
On a daily basis, GWH closed higher 44% of trading days. The best single day was Oct 10, 2025 with a return of +141.9%, while the worst single day was May 28, 2025 at -43.7%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -6.91% | -9.14% | -26.42% | -5.98% | -8.18% | -8.91% | -51.06% | ||||||
| 2025 | -6.29% | -34.48% | -9.70% | -31.29% | -24.11% | -21.76% | 42.86% | -23.68% | 4.83% | 171.71% | -33.41% | -31.64% | -68.03% |
| 2024 | -9.65% | -15.67% | -16.73% | 4.23% | -1.13% | 9.73% | -8.52% | -33.26% | -15.62% | 18.51% | -16.42% | -6.07% | -65.61% |
| 2023 | -9.05% | -17.65% | -23.63% | -23.02% | 7.48% | 27.83% | 31.29% | -25.91% | 31.47% | -36.17% | -2.50% | -2.56% | -53.09% |
| 2022 | -52.36% | -4.77% | 7.32% | -0.00% | -25.85% | -31.96% | 35.23% | 16.84% | -7.88% | 3.42% | -23.88% | -24.53% | -78.76% |
| 2021 | 2.48% | 0.48% | -5.67% | 0.71% | 0.20% | -0.00% | 0.51% | -0.30% | 0.50% | 80.54% | -11.39% | -28.28% | 13.27% |
Benchmark Metrics
ESS Tech, Inc. has an annualized alpha of -28.76%, beta of 1.62, and R2 of 0.03 versus S&P 500 Index. Calculated based on daily prices since January 05, 2021.
- This stock participated in 237.25% of S&P 500 Index downside but only -55.22% of its upside - more exposed to losses than it benefited from rallies.
- R2 of 0.03 means this stock moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- -28.76%
- Beta
- 1.62
- R²
- 0.03
- Upside Capture
- -55.22%
- Downside Capture
- 237.25%
Return for Risk
Risk / Return Rank
GWH ranks 46 for risk / return — on par with similar stocks. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for ESS Tech, Inc. (GWH) and compare them to S&P 500 Index.
| GWH | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.38 | ||
| Sortino ratioReturn per unit of downside risk | -1.53 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 1.41 | -0.22 |
| Calmar ratioReturn relative to maximum drawdown | -0.34 | 2.93 | -3.27 |
| Martin ratioReturn relative to average drawdown | -0.47 | 13.52 | -13.99 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Dividends
Dividend History
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the ESS Tech, Inc.. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the ESS Tech, Inc. was 99.78%, occurring on May 12, 2026. The portfolio has not yet recovered.
The current ESS Tech, Inc. drawdown is 99.74%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
2026 bear market2026 | -99.78%May 2026 | 4y 7mo | — | 4y 7moOct 2021 - now |
2021 bear market2021 | -31.29%Oct 2021 | 7mo 27d | 6d | 8mo 3dFeb 2021 - Oct 2021 |
2021 pullback2021 | -5.78%Jan 2021 | 1d | 13d | 14dJan 2021 - Feb 2021 |
2021 pullback2021 | -1.31%Jan 2021 | 5d | 1d | 6dJan 2021 - Jan 2021 |
2021 pullback2021 | -0.38%Jan 2021 | 0s | 1d | 1dJan 2021 - Jan 2021 |
Drawdown Indicators
| GWH | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.78% | -56.78% | -43.00% |
Max Drawdown (1Y)Largest decline over 1 year | -91.46% | -9.10% | -82.36% |
Max Drawdown (3Y)Largest decline over 3 years | -97.41% | -18.90% | -78.51% |
Max Drawdown (5Y)Largest decline over 5 years | -99.78% | -25.43% | -74.35% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.92% | — |
Current DrawdownCurrent decline from peak | -99.74% | -0.74% | -99.00% |
Average DrawdownAverage peak-to-trough decline | -78.82% | -10.72% | -68.10% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 65.31% | 1.97% | +63.34% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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Financials
Financial Performance
The chart below illustrates the trends in the financial health of ESS Tech, Inc. over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.
Valuation
The Valuation section provides an overview of how ESS Tech, Inc. is priced in the market compared to other companies in the Electrical Equipment & Parts industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.
PS Ratio
This chart shows the Price-to-Sales (P/S) ratio for GWH relative to other companies in the Electrical Equipment & Parts industry. Currently, GWH has a P/S ratio of 15.6. This P/S ratio is high relative to other companies in the industry. It could mean the stock is overvalued, or that investors expect strong future growth and profitability.
PB Ratio
The chart illustrates the Price-to-Book (P/B) ratio for GWH in comparison with other companies in the Electrical Equipment & Parts industry. Currently, GWH has a P/B value of 2.9. This P/B ratio is in line with the industry average, suggesting the stock is valued fairly in relation to its book value.
Income Statement
| TTM | |
|---|---|
Revenue | — |
Total Revenue | — |
Cost Of Revenue | — |
Gross Profit | — |
Operating Expenses | — |
Selling, General & Admin Expenses | — |
R&D Expenses | — |
Depreciation And Amortization | — |
Total Operating Expenses | — |
Income | — |
Income Before Tax | — |
Operating Income | — |
EBITDA | — |
EBIT | — |
Earnings From Continuing Operations | — |
Net Income | — |
Income Tax Expense | — |
Other Non-Operating Income (Expenses) | — |
Extraordinary Items | — |
Discontinued Operations | — |
Effect Of Accounting Charges | — |
Non Recurring | — |
Minority Interest | — |
Other Items | — |
Interest Income | — |
Interest Expense | — |
Net Interest Income | — |
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