ERock (EROC) vs Sono-Tek (SOTK)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
ERock is the larger company by market cap ($588.2 million vs $107.2 million), about 5.5 times the size. On valuation, ERock trades at a lower forward P/E (24.1x vs 50.5x for Sono-Tek).
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 | EROC | SOTK |
|---|---|---|
| Share price | $12.21 | $6.82 |
| Market cap | $588.20M | $107.19M |
| 1-day change | -6.65% | +0.74% |
| YTD return | — | +65.13% |
| 1-year return | — | +53.60% |
| 5-year return | — | +14.80% |
| P/E ratio (TTM) | 43.61 | 52.46 |
| Forward P/E | 24.05 | 50.52 |
| EPS (TTM) | $0.28 | $0.13 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $20.70 | $7.31 |
| 52-week low | $8.88 | $3.40 |
| Distance from 52-week high | -41.01% | -6.70% |
| Analyst consensus | strong_buy | buy |
| Avg. price target upside | +84.28% | +24.63% |
| Average volume | 2.50M | 68.25K |
| Shares outstanding | 48.17M | 15.72M |
| Employees | 385 | 79 |
| Sector | Energy | Technology |
| Industry | Industrial Machinery/Components | Scientific & Technical Instruments |
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
- ERock is about 5.5 times larger than Sono-Tek by market value ($588.20M vs $107.19M).
- The two companies sit in different sectors: ERock in Energy and Sono-Tek in Technology.
About ERock
EROC stock →ERock, Inc. designs, deploys, sells, operates, and maintains distributed power generation systems designed to provide power for commercial and industrial customers in the United States.
Energy · Industrial Machinery/Components · 385 employees
About Sono-Tek
SOTK stock →Sono-Tek Corporation designs and manufactures ultrasonic coating systems for applying on parts and components for the microelectronics/electronics, alternative energy, medical, industrial, and research and development/other markets. The company offers custom-engineered ultrasonic coating systems and nozzles and generators.
Technology · Scientific & Technical Instruments · 79 employees
EROC vs SOTK FAQ
Which is bigger, ERock or Sono-Tek?
ERock (EROC) is larger, with a market capitalization of $588.20M compared with $107.19M for Sono-Tek (SOTK).
Which has the lower P/E ratio, EROC or SOTK?
EROC has the lower trailing P/E at 43.6, versus 52.5 for SOTK. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Are ERock and Sono-Tek in the same industry?
No. ERock is in the Energy sector, while Sono-Tek is in Technology.