OSI Systems (OSIS) vs Power Integrations (POWI)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Power Integrations (POWI) has outperformed OSI Systems (OSIS) over the past year, gaining 29.8% versus a loss of 21.9%. Over five years, OSIS leads with a +103.8% price change compared with -49.3% for POWI. OSI Systems is the larger company by market cap ($3.11 billion vs $2.74 billion), about 1.1 times the size, while Power Integrations is growing revenue faster (+5.9% vs +4.3%).
On valuation, OSI Systems trades at a lower forward P/E (15.2x vs 26.2x for Power Integrations). Power Integrations pays a dividend yielding 1.73%, while OSI Systems does not currently pay one. OSI Systems converts more of its revenue into profit, with a net margin of 8.7% versus 5.0%.
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 | OSIS | POWI |
|---|---|---|
| Share price | $194.91 | $49.12 |
| Market cap | $3.11B | $2.74B |
| 1-day change | +0.80% | -1.54% |
| YTD return | -23.58% | +40.38% |
| 1-year return | -21.90% | +29.82% |
| 5-year return | +103.75% | -49.27% |
| P/E ratio (TTM) | 21.78 | 111.64 |
| Forward P/E | 15.21 | 26.22 |
| EPS (TTM) | $8.95 | $0.44 |
| Dividend yield | 0.00% | 1.73% |
| Annual dividend | $0.00 | $0.85 |
| Revenue (latest FY) | $1.79B | $443.50M |
| Revenue growth (YoY) | +4.25% | +5.86% |
| Net income (latest FY) | $154.71M | $22.09M |
| Gross margin | 33.21% | 54.49% |
| Operating margin | 12.26% | 2.30% |
| Net margin | 8.66% | 4.98% |
| 52-week high | $311.72 | $91.18 |
| 52-week low | $186.50 | $30.86 |
| Distance from 52-week high | -37.47% | -46.13% |
| Analyst consensus | strong_buy | buy |
| Avg. price target upside | +42.78% | +53.71% |
| Average volume | 232.35K | 737.60K |
| Shares outstanding | 15.94M | 55.87M |
| Employees | 7,806 | 877 |
| 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
- POWI has outperformed OSIS by 51.7 percentage points over the past year.
- Power Integrations trades at a higher earnings multiple (111.6x vs 21.8x trailing P/E).
- Power Integrations offers a meaningfully higher dividend yield (1.73% vs 0.00%).
About OSI Systems
OSIS stock →OSI Systems, Inc. designs and manufactures specialized electronic systems and components for critical applications in the United States, Mexico, the rest of Americas, the United Kingdom, Europe, the Middle East, Africa, and the Asia-Pacific.
Technology · Semiconductors · 7,806 employees
About Power Integrations
POWI stock →Power Integrations, Inc. designs, develops, manufactures, and markets analog and mixed-signal integrated circuits, and other electronic components and circuitry used in high-voltage power conversion.
Technology · Semiconductors · 877 employees
OSIS vs POWI FAQ
Which is bigger, OSI Systems or Power Integrations?
OSI Systems (OSIS) is larger, with a market capitalization of $3.11B compared with $2.74B for Power Integrations (POWI).
Which stock has performed better over the past year, OSIS or POWI?
POWI returned +29.82% over the past 12 months, compared with -21.90% for OSIS (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, OSIS or POWI?
OSIS has the lower trailing P/E at 21.8, versus 111.6 for POWI. 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, OSI Systems or Power Integrations?
Power Integrations pays a dividend yielding 1.73%, while OSI Systems does not currently pay a regular dividend.
Are OSI Systems and Power Integrations in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.