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Compare Amphastar Pharmaceuticals Inc (AMPH) vs Arqit Quantum Inc (ARQQ) Price & Performance

Amphastar Pharmaceuticals Inc
Arqit Quantum Inc

Price performance

Price movement over the last 24 hours

Key statistics

Amphastar Pharmaceuticals Inc vs Arqit Quantum Inc — how do they compare? Amphastar Pharmaceuticals Inc trades at $18.72 (market cap $826.08M), while Arqit Quantum Inc trades at $19.11 (market cap $332.04M). The key difference: Amphastar Pharmaceuticals Inc is far larger — about 2.5× Arqit Quantum Inc's market cap. Which is the better fit depends on your goals.

AMPHARQQ
Market Cap
$826.08M$332.04M
Sector
HealthTechnology
52-Week High
$30.81$58.27
52-Week Low
$16.87$11.78
Enterprise Value
$1.22B$305.35M

Aura AI Summary

Signals from Pluang's Aura AI — not financial advice

Amphastar Pharmaceuticals Inc

AMPH trades at $18.72, down 1.58% with bearish technical signals despite oversold RSI readings. The company reported mixed Q1 2026 results with EPS of $0.42 missing estimates of $0.70, continuing a trend of recent earnings disappointments. Valuation metrics appear reasonable with P/E of 11.29 and P/B of 1.07, while profitability remains solid with 47.34% gross margins. Recent news includes a Zacks Strong Sell rating and ongoing securities law investigation.

The stock faces near-term headwinds from earnings misses and negative analyst sentiment, though current valuations provide some downside protection. Upside potential exists if the company can execute its strategic pivot to proprietary drugs and biosimilars while managing BAQSIMI discount pressures. Key risks include ongoing legal scrutiny and competitive pressures in the generic drug market.

Arqit Quantum Inc

ARQQ trades at $19.08, down 6.79% today, with a bearish technical signal from moving averages. The company reported $530K revenue for 2025 but a net loss of $35.34M, with negative profit margins and high valuation ratios. Recent news highlights contract wins and 829% YoY revenue growth in H1 FY26, though earnings misses persist.

Outlook remains speculative given deep losses and high P/S of 275.84, but growth in quantum security deals offers potential. Key risks include cash burn and competitive threats. Analyst consensus is split 50/50 buy/hold, indicating cautious optimism amid fundamental challenges.

Returns comparison

Trailing returns across standard periods

About Amphastar Pharmaceuticals Inc

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

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