Compare Arqit Quantum Inc (ARQQ) vs Monolithic Power Systems Inc (MPWR) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Arqit Quantum Inc vs Monolithic Power Systems Inc — how do they compare? Arqit Quantum Inc trades at $23.29 (market cap $424.79M), while Monolithic Power Systems Inc trades at $1,438.44 (market cap $68.90B). The key difference: Monolithic Power Systems Inc is far larger — about 162.2× Arqit Quantum Inc's market cap, and Monolithic Power Systems Inc pays a 0.57% dividend while Arqit Quantum Inc pays none. Which is the better fit depends on your goals.
| ARQQ | MPWR | |
|---|---|---|
Market Cap | $424.79M | $68.90B |
Sector | Technology | Utilities |
52-Week High | $58.27 | $1.69K |
52-Week Low | $11.78 | $820.74 |
Enterprise Value | $398.10M | $67.51B |
Dividend Yield | — | 0.57% |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
ARQQ trades at $24.10, up 6.59% today, with a bullish technical signal from moving averages. The company shows explosive revenue growth (829% YoY in H1 2026) but remains deeply unprofitable with a -4,508% net margin. Recent news highlights quantum-safe encryption partnerships with telecom and government clients, driving investor optimism despite significant financial losses.
Outlook remains speculative with high risk/reward profile. The quantum security market offers substantial growth potential, but ARQQ must demonstrate path to profitability amid heavy operating losses. Analyst consensus is divided (50% Buy, 50% Hold), reflecting uncertainty about timeline for sustainable operations.
MPWR is trading at $1,446.91, up 4.77% in the last 24 hours, with a bullish technical signal and strong earnings momentum after beating Q2 2026 estimates. The stock shows robust fundamentals with a 24.5% net income margin and 21.98% ROE, though valuation ratios like P/E of 85.55 are elevated. Recent news highlights AI-driven revenue growth and a legal investigation into potential misleading statements.
The outlook is positive with an 88% analyst buy rating and a $1,870 consensus price target, but risks include high valuation sensitivity, competitive pressures, and legal scrutiny. Earnings growth from AI infrastructure demand remains a key catalyst for upside.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
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Latest headlines on both assets
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About Arqit Quantum Inc
Arqit Quantum provides advanced cybersecurity software that uses symmetric key agreement technology. Its solutions protect networked devices and data against current and future cyber threats, including quantum attacks.
Read more on ARQQ →About Monolithic Power Systems Inc
Monolithic Power Systems, Inc. is a global leader in high-performance, analog, and mixed-signal semiconductors. The company specializes in power management solutions, providing integrated circuits (ICs) for a wide range of applications, including computing, automotive, industrial, and communications. MPWR's proprietary process technology is designed to deliver highly energy-efficient and compact power solutions, positioning the company as a key supplier for the next generation of electronic devices.
Read more on MPWR →
