Diodes (DIOD) vs Synaptics (SYNA)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.
Summary
Diodes (DIOD) has outperformed Synaptics (SYNA) over the past year, gaining 96.3% versus a gain of 81.7%. Over five years, DIOD leads with a +14.4% price change compared with -31.3% for SYNA. Synaptics is the larger company by market cap ($4.74 billion vs $4.64 billion), about 1.0 times the size, while Diodes is growing revenue faster (+13.0% vs +11.4%).
On valuation, Diodes trades at a lower forward P/E (17.3x vs 18.2x for Synaptics). Diodes converts more of its revenue into profit, with a net margin of 4.5% versus -41.0%.
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 | SYNA |
|---|---|---|
| Share price | $100.65 | $119.46 |
| Market cap | $4.64B | $4.74B |
| 1-day change | -6.58% | +0.06% |
| YTD return | +103.02% | +61.17% |
| 1-year return | +96.30% | +81.71% |
| 5-year return | +14.43% | -31.26% |
| P/E ratio (TTM) | 53.82 | — |
| Forward P/E | 17.26 | 18.16 |
| EPS (TTM) | $1.87 | $-12.62 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $1.48B | $1.20B |
| Revenue growth (YoY) | +13.04% | +11.44% |
| Net income (latest FY) | $66.14M | $-490.80M |
| Gross margin | 31.20% | 44.72% |
| Operating margin | 2.39% | -5.60% |
| Net margin | 4.46% | -41.00% |
| 52-week high | $125.99 | $149.11 |
| 52-week low | $42.28 | $58.28 |
| Distance from 52-week high | -20.11% | -19.88% |
| Analyst consensus | strong_buy | hold |
| Avg. price target upside | +52.34% | +8.26% |
| Average volume | 568.69K | 834.43K |
| Shares outstanding | 46.05M | 39.70M |
| Employees | 7,989 | 1,700 |
| 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 SYNA by 14.6 percentage points over the past year.
- Diodes is more profitable, keeping 4.5 cents of every revenue dollar as net income versus -41.0 cents for Synaptics.
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 Synaptics
SYNA stock →Synaptics Incorporated develops, markets, and sells semiconductor products worldwide. The company provides edge AI processors, wireless connectivity, touch controllers, biometrics, voice, audio, and multimedia products for physical AI and robotics, edge AI, smart home, industrial and automotive, personal computers, and mobile applications, as well as modular development kits, open software frameworks, and optimized AI/ML toolchains.
Technology · Semiconductors · 1,700 employees
DIOD vs SYNA FAQ
Which is bigger, Diodes or Synaptics?
Synaptics (SYNA) is larger, with a market capitalization of $4.74B compared with $4.64B for Diodes (DIOD).
Which stock has performed better over the past year, DIOD or SYNA?
DIOD returned +96.30% over the past 12 months, compared with +81.71% for SYNA (price return, excluding dividends). Past performance does not predict future results.
Are Diodes and Synaptics in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.