AOSL vs DIOD
AOSL: A power semiconductor designer focused on MOSFETs and IGBTs for automotive and industrial applications, currently navigating profitability challenges amid flat revenue growth. DIOD: Analog and power semiconductor supplier enabling AI data centers, vehicle electrification, and industrial automation through a hybrid global manufacturing model.
Side-by-side fundamentals
| Metric | AOSL | DIOD | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $34.75 | $95.01 | |
| Market cap as of 2026-07-23 | $1.0B | $4.3B | |
| P/E as of 2026-07-23 | n/a | 50.35 | |
| PEG as of 2026-07-23 | -0.03 | 0.22 | AOSL lower |
| Net margin as of 2026-07-23 | -15.5% | +5.5% | DIOD higher |
| Gross margin as of 2026-07-23 | +22.4% | +31.3% | DIOD higher |
| Operating margin as of 2026-07-23 | -6.4% | +4.3% | DIOD higher |
| ROE as of 2026-07-23 | -13.0% | +4.5% | DIOD higher |
| ROA as of 2026-07-23 | -10.5% | +3.5% | DIOD higher |
| Debt / equity as of 2026-07-23 | 0.01 | 0.03 | AOSL lower |
| Revenue growth (YoY) as of 2026-07-23 | +0.6% | +16.0% | DIOD higher |
| Revenue CAGR (3y) SEC XBRL | -3.6% | -9.5% | AOSL higher |
| Dividend streak (yrs) SEC XBRL | 0 | n/a | |
| Beta as of 2026-07-23 | 2.60 | 1.89 | |
| 1-year return as of 2026-07-22 close | +21.1% | +74.7% | DIOD 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.