AEHR vs AMKR
AEHR: Aehr Test Systems provides specialized wafer-level and singulated-die test and burn-in solutions essential for enhancing the reliability of next-generation power semiconductors and optical devices. AMKR: The world's largest U.S. OSAT provider delivering advanced semiconductor packaging and test solutions that enable AI, automotive and mobile device manufacturers to scale beyond Moore's Law through heterogeneous integration.
Side-by-side fundamentals
| Metric | AEHR | AMKR | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $93.54 | $66.97 | |
| Market cap as of 2026-07-23 | $3.2B | $16.8B | |
| P/E as of 2026-07-23 | n/a | 38.46 | |
| PEG as of 2026-07-23 | -5.03 | 2.69 | AEHR lower |
| Net margin as of 2026-07-23 | -25.2% | +6.2% | AMKR higher |
| Gross margin as of 2026-07-23 | +30.7% | +14.4% | AEHR higher |
| Operating margin as of 2026-07-23 | -35.7% | +7.6% | AMKR higher |
| ROE as of 2026-07-23 | -8.9% | +10.0% | AMKR higher |
| ROA as of 2026-07-23 | -7.6% | +5.4% | AMKR higher |
| Debt / equity as of 2026-07-23 | 0.00 | 0.32 | AEHR lower |
| Revenue growth (YoY) as of 2026-07-23 | -26.4% | +12.7% | AMKR higher |
| Revenue CAGR (3y) SEC XBRL | +5.1% | -1.8% | AEHR higher |
| Dividend yield as of 2026-07-23 | n/a | +0.5% | |
| Dividend streak (yrs) SEC XBRL | n/a | 1 | |
| Beta as of 2026-07-23 | 3.10 | 2.23 | |
| 1-year return as of 2026-07-22 close | +365.4% | +204.0% | AEHR higher |
Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-22.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.