IONQ Inc vs Plug Power Inc — how do they compare? IONQ Inc trades at $36.07 (market cap $12.78B), while Plug Power Inc trades at $2.27 (market cap $2.98B). The key difference: IONQ Inc is far larger — about 4.3× Plug Power Inc's market cap, and Plug Power Inc is trading nearer its 52-week high, IONQ Inc nearer its low. Which is the better fit depends on your goals.
| IONQ | PLUG | |
|---|---|---|
Market Cap | $12.78B | $2.98B |
Sector | Technology | Industrials |
52-Week High | $82.09 | $4.14 |
52-Week Low | $26.59 | $1.40 |
Enterprise Value | $10.78B | $3.77B |
Trailing returns across standard periods
IonQ is a leader in quantum computing, developing world-class quantum systems. Its technology aims to solve complex problems across finance, healthcare, and materials science that are beyond classical computers.
Read more on IONQ →Plug Power is building an end-to-end green hydrogen ecosystem—from production, storage and delivery to energy generation. The company plans to build and operate green hydrogen highways across North America and Europe. Plug will deliver its green hydrogen solutions directly to its customers and through joint venture partners into multiple end markets—including material handling, e-mobility, power generation, and industrial applications.
Read more on PLUG →