Applied Optoelectronics (AAOI) vs Extreme Networks (EXTR)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Applied Optoelectronics (AAOI) has outperformed Extreme Networks (EXTR) over the past year, gaining 291.1% versus a gain of 22.7%. Over five years, AAOI leads with a +1597.2% price change compared with +141.9% for EXTR. Applied Optoelectronics is the larger company by market cap ($9.08 billion vs $3.24 billion), about 2.8 times the size.
On valuation, Extreme Networks trades at a lower forward P/E (16.1x vs 23.2x for Applied Optoelectronics). Extreme Networks converts more of its revenue into profit, with a net margin of 3.3% versus -8.4%.
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 | AAOI | EXTR |
|---|---|---|
| Share price | $106.90 | $24.52 |
| Market cap | $9.08B | $3.24B |
| 1-day change | -12.76% | -0.33% |
| YTD return | +251.52% | +47.75% |
| 1-year return | +291.06% | +22.69% |
| 5-year return | +1597.23% | +141.89% |
| P/E ratio (TTM) | — | 79.09 |
| Forward P/E | 23.23 | 16.13 |
| EPS (TTM) | $-0.75 | $0.31 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $455.71M | $1.28B |
| Revenue growth (YoY) | +82.75% | +12.59% |
| Net income (latest FY) | $-38.23M | $42.12M |
| Gross margin | 30.04% | 61.48% |
| Operating margin | -11.98% | 4.88% |
| Net margin | -8.39% | 3.28% |
| 52-week high | $233.67 | $33.73 |
| 52-week low | $18.50 | $13.48 |
| Distance from 52-week high | -54.25% | -27.31% |
| Analyst consensus | none | none |
| Avg. price target upside | +52.85% | +36.64% |
| Average volume | 9.46M | 1.64M |
| Shares outstanding | 84.91M | 132.17M |
| Employees | 4,691 | 2,894 |
| Sector | Technology | Telecommunications |
| Industry | Semiconductors | Computer Communications Equipment |
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
- Applied Optoelectronics is about 2.8 times larger than Extreme Networks by market value ($9.08B vs $3.24B).
- AAOI has outperformed EXTR by 268.4 percentage points over the past year.
- Extreme Networks is more profitable, keeping 3.3 cents of every revenue dollar as net income versus -8.4 cents for Applied Optoelectronics.
- Applied Optoelectronics grew revenue faster in its latest fiscal year (+82.75% vs +12.59%).
- The two companies sit in different sectors: Applied Optoelectronics in Technology and Extreme Networks in Telecommunications.
About Applied Optoelectronics
AAOI stock →Applied Optoelectronics, Inc. engages in the design, manufacture, and sale of fiber-optic networking products in the United States, Taiwan, and China.
Technology · Semiconductors · 4,691 employees
About Extreme Networks
EXTR stock →Extreme Networks, Inc., together with its subsidiaries, develops, markets, and sells network infrastructure equipment and related software in the Americas, Europe, the Middle East, Africa, and the Asia-Pacific. It offers ExtremeCloud IQ, a machine learning/AI powered, wired and wireless cloud network management solution that offers visibility and control over users, devices, and applications; ExtremeCloud IQ-Site Engine which extends cloud management to non-cloud native and multi-vendor devices; ExtremeCloud IQ Essentials provides wireless intrusion prevention system, location services, and guest management services; and ExtremeCloud SD-WAN, a software-defined wide area networks solution offered as an all-inclusive subscription, which includes hardware, the cloud-based SD-WAN service, support and maintenance, and customer success support.
Telecommunications · Computer Communications Equipment · 2,894 employees
AAOI vs EXTR FAQ
Which is bigger, Applied Optoelectronics or Extreme Networks?
Applied Optoelectronics (AAOI) is larger, with a market capitalization of $9.08B compared with $3.24B for Extreme Networks (EXTR).
Which stock has performed better over the past year, AAOI or EXTR?
AAOI returned +291.06% over the past 12 months, compared with +22.69% for EXTR (price return, excluding dividends). Past performance does not predict future results.
Are Applied Optoelectronics and Extreme Networks in the same industry?
No. Applied Optoelectronics is in the Technology sector, while Extreme Networks is in Telecommunications.