CleanSpark Inc vs United Microelectronics Corp — how do they compare? CleanSpark Inc trades at $12.21 (market cap $2.96B), while United Microelectronics Corp trades at $19.38 (market cap $47.81B). The key difference: United Microelectronics Corp is far larger — about 16.2× CleanSpark Inc's market cap, and United Microelectronics Corp pays a 2.12% dividend while CleanSpark Inc pays none. Which is the better fit depends on your goals.
| CLSK | UMC | |
|---|---|---|
Market Cap | $2.96B | $47.81B |
Sector | Technology | Technology |
52-Week High | $23.20 | $28.02 |
52-Week Low | $8.18 | $6.58 |
Enterprise Value | $3.95B | $44.93B |
Dividend Yield | — | 2.12% |
Signals from Pluang's Aura AI — not financial advice
CleanSpark (CLSK) trades at $12.23, up 5.52% today but showing bearish technical signals with recent earnings misses. The company reported a Q3 2026 loss of $0.89 per share versus expectations of $0.47, continuing a trend of negative profitability despite securing a significant $6.6 billion AI data center lease. Revenue declined to $679 million in 2026 with a negative profit margin of -146.91%, though analyst consensus remains unanimously bullish with a $24.13 price target.
The stock presents a high-risk opportunity with strong institutional support but significant fundamental challenges. While the AI infrastructure pivot offers long-term potential, near-term execution risks and persistent losses require careful monitoring. The 100% buy rating from analysts suggests confidence in the strategic shift, but investors must weigh the substantial valuation premium against ongoing cash burn and competitive pressures.
UMC trades at $19.40, up 3.25% with a neutral technical signal. The company reported strong Q2 2026 earnings, beating estimates with $0.54 EPS, and announced fab expansions in Singapore and Taiwan to meet AI demand. Revenue growth is projected to rise to $250.7 billion in 2026, with net income margin improving to 32.75%. Cash flow turned positive in 2025 at $5.66 billion, supporting strategic investments.
Outlook is positive due to AI-driven demand and operational execution, but risks include competitive pressures and capital expenditure volatility. Analysts show mixed sentiment with 26.7% buy ratings, highlighting cautious optimism amid expansion plans.
Trailing returns across standard periods
Latest headlines on both assets
CleanSpark is a leading Bitcoin mining company that operates high-density data centers. It focuses on using sustainable energy to power its mining fleet and provides digital infrastructure for the blockchain ecosystem.
Read more on CLSK →Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with 7% market share in 2021, according to Gartner, after TSMC and GlobalFoundries. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, Mainland China, Japan and Singapore, with additional sales offices in Europe, the U.S. and South Korea. UMC features a diverse customer base including Texas Instruments, MediaTek, Qualcomm, Broadcom, Xilinx and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 20,000 people.
Read more on UMC →