Applied Optoelectronics (AAOI) vs FormFactor FormFactor (FORM)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
FormFactor FormFactor (FORM) has outperformed Applied Optoelectronics (AAOI) over the past year, gaining 259.1% versus a gain of 228.7%. Over five years, AAOI leads with a +1366.8% price change compared with +281.2% for FORM. FormFactor FormFactor is the larger company by market cap ($10.71 billion vs $8.99 billion), about 1.2 times the size, while Applied Optoelectronics is growing revenue faster (+82.8% vs +2.8%).
On valuation, Applied Optoelectronics trades at a lower forward P/E (23.0x vs 36.2x for FormFactor FormFactor). FormFactor FormFactor converts more of its revenue into profit, with a net margin of 6.9% 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 | FORM |
|---|---|---|
| Share price | $105.90 | $137.13 |
| Market cap | $8.99B | $10.71B |
| 1-day change | -13.58% | -1.91% |
| YTD return | +203.79% | +145.84% |
| 1-year return | +228.68% | +259.07% |
| 5-year return | +1366.76% | +281.23% |
| P/E ratio (TTM) | — | 94.57 |
| Forward P/E | 23.01 | 36.21 |
| EPS (TTM) | $-0.75 | $1.45 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $455.71M | $784.99M |
| Revenue growth (YoY) | +82.75% | +2.80% |
| Net income (latest FY) | $-38.23M | $54.36M |
| Gross margin | 30.04% | 39.34% |
| Operating margin | -11.98% | 7.27% |
| Net margin | -8.39% | 6.93% |
| 52-week high | $233.67 | $160.27 |
| 52-week low | $18.50 | $37.95 |
| Distance from 52-week high | -54.68% | -14.44% |
| Analyst consensus | none | buy |
| Avg. price target upside | +54.30% | +12.22% |
| Average volume | 9.62M | 1.46M |
| Shares outstanding | 84.91M | 78.12M |
| Employees | 4,691 | 2,153 |
| Sector | Technology | Technology |
| Industry | Semiconductors | Semiconductor Equipment & Materials |
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
- FORM has outperformed AAOI by 30.4 percentage points over the past year.
- FormFactor FormFactor is more profitable, keeping 6.9 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 +2.80%).
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 FormFactor FormFactor
FORM stock →FormFactor, Inc. designs, manufactures, and sells probe cards, analytical probes, probe stations, thermal systems, cryogenic systems, and related services in the United States, South Korea, Taiwan, China, Japan, Singapore, Europe, Malaysia, and internationally.
Technology · Semiconductor Equipment & Materials · 2,153 employees
AAOI vs FORM FAQ
Which is bigger, Applied Optoelectronics or FormFactor FormFactor?
FormFactor FormFactor (FORM) is larger, with a market capitalization of $10.71B compared with $8.99B for Applied Optoelectronics (AAOI).
Which stock has performed better over the past year, AAOI or FORM?
FORM returned +259.07% over the past 12 months, compared with +228.68% for AAOI (price return, excluding dividends). Past performance does not predict future results.
Are Applied Optoelectronics and FormFactor FormFactor in the same industry?
Both are in the Technology sector, but in different industries: Semiconductors for Applied Optoelectronics and Semiconductor Equipment & Materials for FormFactor FormFactor.