Diodes (DIOD) vs ChipMOS TECHNOLOGIES INC. (IMOS)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
ChipMOS TECHNOLOGIES INC. (IMOS) has outperformed Diodes (DIOD) over the past year, gaining 292.8% versus a gain of 97.2%. Over five years, IMOS leads with a +143.4% price change compared with +15.0% for DIOD. Diodes is the larger company by market cap ($4.64 billion vs $2.73 billion), about 1.7 times the size.
On valuation, Diodes trades at a lower forward P/E (17.3x vs 77.8x for ChipMOS TECHNOLOGIES INC.). ChipMOS TECHNOLOGIES INC. pays a dividend yielding 1.56%, while Diodes does not currently pay one. ChipMOS TECHNOLOGIES INC. converts more of its revenue into profit, with a net margin of 6.3% 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 | IMOS |
|---|---|---|
| Share price | $100.65 | $78.60 |
| Market cap | $4.64B | $2.73B |
| 1-day change | -6.58% | +0.27% |
| YTD return | +103.99% | +165.27% |
| 1-year return | +97.24% | +292.80% |
| 5-year return | +14.98% | +143.42% |
| P/E ratio (TTM) | 57.51 | 37.25 |
| Forward P/E | 17.26 | 77.82 |
| EPS (TTM) | $1.75 | $2.11 |
| Dividend yield | 0.00% | 1.56% |
| Annual dividend | $0.00 | $1.23 |
| Revenue (latest FY) | $1.48B | $692.16M |
| Revenue growth (YoY) | +13.04% | -0.76% |
| Net income (latest FY) | $66.14M | $43.90M |
| Gross margin | 31.20% | 12.97% |
| Operating margin | 2.39% | 5.61% |
| Net margin | 4.46% | 6.34% |
| 52-week high | $125.99 | $83.84 |
| 52-week low | $42.28 | $19.24 |
| Distance from 52-week high | -20.11% | -6.25% |
| Analyst consensus | strong_buy | — |
| Avg. price target upside | +52.34% | — |
| Average volume | 569.80K | 106.60K |
| Shares outstanding | 46.05M | 34.77M |
| Employees | 7,989 | — |
| 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
- IMOS has outperformed DIOD by 195.6 percentage points over the past year.
- Diodes trades at a higher earnings multiple (57.5x vs 37.3x trailing P/E).
- ChipMOS TECHNOLOGIES INC. offers a meaningfully higher dividend yield (1.56% vs 0.00%).
- Diodes grew revenue faster in its latest fiscal year (+13.04% vs -0.76%).
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 ChipMOS TECHNOLOGIES INC.
IMOS stock →ChipMOS TECHNOLOGIES INC. engages in the research and development, manufacture, and sale of integrated circuits, and related assembly and testing services in Taiwan, Japan, the People's Republic of China, and internationally.
Technology · Semiconductors
DIOD vs IMOS FAQ
Which is bigger, Diodes or ChipMOS TECHNOLOGIES INC.?
Diodes (DIOD) is larger, with a market capitalization of $4.64B compared with $2.73B for ChipMOS TECHNOLOGIES INC. (IMOS).
Which stock has performed better over the past year, DIOD or IMOS?
IMOS returned +292.80% over the past 12 months, compared with +97.24% for DIOD (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, DIOD or IMOS?
IMOS has the lower trailing P/E at 37.3, 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.
Which pays a higher dividend, Diodes or ChipMOS TECHNOLOGIES INC.?
ChipMOS TECHNOLOGIES INC. pays a dividend yielding 1.56%, while Diodes does not currently pay a regular dividend.
Are Diodes and ChipMOS TECHNOLOGIES INC. in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.