Eos Energy Enterprises (EOSE) vs Power Solutions International (PSIX)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Power Solutions International (PSIX) has outperformed Eos Energy Enterprises (EOSE) over the past year, losing 38.8% versus a loss of 77.3%. Over five years, PSIX leads with a +1190.8% price change compared with -75.3% for EOSE. Power Solutions International is the larger company by market cap ($1.19 billion vs $1.12 billion), about 1.1 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | EOSE | PSIX |
|---|---|---|
| Share price | $3.10 | $51.63 |
| Market cap | $1.12B | $1.19B |
| 1-day change | -4.91% | +7.72% |
| YTD return | -72.95% | -9.64% |
| 1-year return | -77.31% | -38.80% |
| 5-year return | -75.32% | +1190.75% |
| P/E ratio (TTM) | — | 17.56 |
| Forward P/E | — | 15.84 |
| EPS (TTM) | $-5.80 | $2.94 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $19.86 | $106.50 |
| 52-week low | $2.96 | $25.28 |
| Distance from 52-week high | -84.39% | -51.52% |
| Analyst consensus | buy | none |
| Avg. price target upside | +109.68% | +35.17% |
| Average volume | 26.73M | 432.26K |
| Shares outstanding | 361.69M | 23.07M |
| Employees | 787 | 1,000 |
| Sector | Industrials | Industrials |
| Industry | Electrical Equipment & Parts | Specialty Industrial Machinery |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- PSIX has outperformed EOSE by 38.5 percentage points over the past year.
About Eos Energy Enterprises
EOSE stock →Eos Energy Enterprises, Inc. designs, develops, manufactures, and markets energy storage solutions for utility-scale, microgrid, and commercial and industrial applications in the United States.
Industrials · Electrical Equipment & Parts · 787 employees
About Power Solutions International
PSIX stock →Power Solutions International, Inc. designs, engineers, manufactures, markets, and sells engines and power systems in the United States, the rest of North America, the Pacific Rim, Europe, and internationally.
Industrials · Specialty Industrial Machinery · 1,000 employees
EOSE vs PSIX FAQ
Which is bigger, Eos Energy Enterprises or Power Solutions International?
Power Solutions International (PSIX) is larger, with a market capitalization of $1.19B compared with $1.12B for Eos Energy Enterprises (EOSE).
Which stock has performed better over the past year, EOSE or PSIX?
PSIX returned -38.80% over the past 12 months, compared with -77.31% for EOSE (price return, excluding dividends). Past performance does not predict future results.
Are Eos Energy Enterprises and Power Solutions International in the same industry?
Both are in the Industrials sector, but in different industries: Electrical Equipment & Parts for Eos Energy Enterprises and Specialty Industrial Machinery for Power Solutions International.