Diodes (DIOD) vs Enphase Energy (ENPH)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Diodes (DIOD) has outperformed Enphase Energy (ENPH) over the past year, gaining 97.2% versus a loss of 7.6%. Over five years, DIOD leads with a +15.0% price change compared with -80.6% for ENPH. Diodes is the larger company by market cap ($4.64 billion vs $4.43 billion), about 1.0 times the size.
On valuation, Enphase Energy trades at a lower forward P/E (15.3x vs 17.3x for Diodes). Enphase Energy converts more of its revenue into profit, with a net margin of 11.7% versus 4.5%.
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 | DIOD | ENPH |
|---|---|---|
| Share price | $100.65 | $33.50 |
| Market cap | $4.64B | $4.43B |
| 1-day change | -6.58% | -1.21% |
| YTD return | +103.99% | +4.52% |
| 1-year return | +97.24% | -7.64% |
| 5-year return | +14.98% | -80.63% |
| P/E ratio (TTM) | 57.51 | 33.84 |
| Forward P/E | 17.26 | 15.29 |
| EPS (TTM) | $1.75 | $0.99 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $1.48B | $1.47B |
| Revenue growth (YoY) | +13.04% | +10.72% |
| Net income (latest FY) | $66.14M | $172.13M |
| Gross margin | 31.20% | 46.64% |
| Operating margin | 2.39% | 10.69% |
| Net margin | 4.46% | 11.69% |
| 52-week high | $125.99 | $73.74 |
| 52-week low | $42.28 | $25.78 |
| Distance from 52-week high | -20.11% | -54.57% |
| Analyst consensus | strong_buy | buy |
| Avg. price target upside | +52.34% | +53.31% |
| Average volume | 569.80K | 4.41M |
| Shares outstanding | 46.05M | 132.14M |
| Employees | 7,989 | 2,872 |
| Sector | Technology | Technology |
| Industry | Semiconductors | Semiconductors |
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
- DIOD has outperformed ENPH by 104.9 percentage points over the past year.
- Diodes trades at a higher earnings multiple (57.5x vs 33.8x trailing P/E).
- Enphase Energy is more profitable, keeping 11.7 cents of every revenue dollar as net income versus 4.5 cents for Diodes.
About Diodes
DIOD stock →Diodes Incorporated, together with its subsidiaries, provides semiconductor products in Asia, the Americas, and Europe. The company offers MOSFET and SiC MOSFET discrete semiconductor products; data line protection, power line protection, thyrister, USB Type-C protection, and transient voltage suppressor protection devices; Schottky diodes, small signal switching diodes, Zener diodes, and SiC diodes; and bridges, super barrier rectifiers, Schottky rectifiers, Schottky bridge rectifiers, and fast and ultra-fast rectifiers.
Technology · Semiconductors · 7,989 employees
About Enphase Energy
ENPH stock →Enphase Energy, Inc., together with its subsidiaries, designs, develops, manufactures, and sells home energy solutions for the solar photovoltaic industry in the United States and internationally. The company offers semiconductor-based microinverter that converts energy at the individual solar module level and combines with its proprietary networking and software technologies to provide energy monitoring and control.
Technology · Semiconductors · 2,872 employees
DIOD vs ENPH FAQ
Which is bigger, Diodes or Enphase Energy?
Diodes (DIOD) is larger, with a market capitalization of $4.64B compared with $4.43B for Enphase Energy (ENPH).
Which stock has performed better over the past year, DIOD or ENPH?
DIOD returned +97.24% over the past 12 months, compared with -7.64% for ENPH (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, DIOD or ENPH?
ENPH has the lower trailing P/E at 33.8, versus 57.5 for DIOD. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Are Diodes and Enphase Energy in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.