Amphastar Pharmaceuticals Inc vs Arqit Quantum Inc — how do they compare? Amphastar Pharmaceuticals Inc trades at $20.39 (market cap $863.95M), while Arqit Quantum Inc trades at $24.06 (market cap $392.69M). The key difference: Amphastar Pharmaceuticals Inc is far larger — about 2.2× Arqit Quantum Inc's market cap. Which is the better fit depends on your goals.
| AMPH | ARQQ | |
|---|---|---|
Market Cap | $863.95M | $392.69M |
Sector | Health | Technology |
52-Week High | $30.81 | $58.27 |
52-Week Low | $16.87 | $11.78 |
Enterprise Value | $1.26B | $366.00M |
Signals from Pluang's Aura AI — not financial advice
AMPH trades at $20.78, up 4.9% today, with a bullish technical signal supported by moving averages. The stock shows mixed earnings performance with Q2 2026 beating estimates but Q1 and Q4 2025 missing. Fundamentals remain solid with a 10.76% net margin and reasonable valuation at 12.02 P/E. Recent news highlights Q2 2026 results and strategic shift toward proprietary drugs.
Outlook is cautiously optimistic with growth supported by new product launches, though regulatory risks and earnings volatility pose challenges. Analyst sentiment is mixed with 25% buy ratings but majority hold recommendations. The stock offers value but requires monitoring of FDA developments and earnings consistency.
ARQQ trades at $22.90, up 6.66% with bullish technical signals from moving averages and ADX indicators. The company shows explosive revenue growth (829% YoY in H1 FY26) but remains deeply unprofitable with a -4,508% net margin and negative cash flow from operations. Recent news highlights quantum-safe encryption partnerships and government contract wins, though financial sustainability concerns persist.
The stock presents high-risk speculation on quantum security adoption versus fundamental weaknesses. Upside depends on commercializing technology into sustainable profits, while downside risks include cash burn and competitive threats. Analyst consensus is split 50/50 buy/hold with no institutional conviction evident in current financial metrics.
Trailing returns across standard periods
Amphastar is a specialty pharmaceutical company that develops and markets injectable, intranasal, and inhalation products. Its portfolio includes both complex generic drugs and proprietary delivery systems.
Read more on AMPH →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 →