Arqit Quantum Inc vs Lumen Technologies Inc — how do they compare? Arqit Quantum Inc trades at $23.52 (market cap $424.79M), while Lumen Technologies Inc trades at $6.31 (market cap $6.58B). The key difference: Lumen Technologies Inc is far larger — about 15.5× Arqit Quantum Inc's market cap. Which is the better fit depends on your goals.
| ARQQ | LUMN | |
|---|---|---|
Market Cap | $424.79M | $6.58B |
Sector | Technology | Media |
52-Week High | $58.27 | $11.83 |
52-Week Low | $11.78 | $3.95 |
Enterprise Value | $398.10M | $18.20B |
Signals from Pluang's Aura AI — not financial advice
ARQQ trades at $23.72, up 4.91% today, with a bullish technical signal from moving averages despite overbought RSI readings. The company shows explosive revenue growth but deep losses, with a P/S ratio of 352.9 reflecting high growth expectations. Recent news highlights a proof-of-concept with nLighten and strong H1 2026 revenue growth of 829% year-over-year, signaling commercial traction in quantum-safe encryption.
Outlook hinges on scaling revenue to offset high costs, with analyst sentiment split evenly between Buy and Hold. Key risks include sustained cash burn and competitive pressure, but government and telecom deals offer upside if execution improves.
LUMN stock trades at $6.375, down 3.99% today, amid a bearish technical signal and mixed earnings. The company reported a Q2 2026 loss of $0.07 per share, beating estimates, but revenue declined 9.3% year-over-year. Strategic revenues grew 14.1%, highlighting its digital transformation. CEO Kathleen Johnson purchased 100,000 shares on August 6, 2026, signaling insider confidence. Net cash flow was negative $886 million in 2025, though 2026 projections show improvement. The stock faces headwinds from high debt and legacy revenue declines.
LUMN offers a high-risk opportunity with a low P/S ratio of 0.54 and analyst consensus price target of $7.67, implying potential upside. However, persistent net losses, negative ROE of -78.94%, and $17.49 billion in long-term debt pose significant risks. Investors should weigh the digital growth potential against financial instability and cautious analyst sentiment, with 60.71% holding ratings.
Trailing returns across standard periods
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 →With 450,000 route miles of fiber, including over 35,000 route miles of subsea fiber connecting Europe, Asia, and Latin America, Lumen Technologies is one of the United States' largest telecommunications carriers serving global enterprises. Its merger with Level 3 further shifted the company's operations toward businesses (over 70% of revenue) and away from its legacy consumer business. Lumen offers businesses a full menu of communications services, providing colocation and data center services, data transportation, and end-user phone and internet service. On the consumer side, Lumen provides broadband and phone service across 37 states, where it has 4.5 million broadband customers.
Read more on LUMN →