Petróleo Brasileiro SA vs United Microelectronics Corp — how do they compare? Petróleo Brasileiro SA trades at $18.92 (market cap $112.59B), while United Microelectronics Corp trades at $21.2 (market cap $52.23B). The key difference: Petróleo Brasileiro SA is far larger — about 2.2× United Microelectronics Corp's market cap, and Petróleo Brasileiro SA pays the higher dividend (9.51%). Which is the better fit depends on your goals.
| PBR | UMC | |
|---|---|---|
Market Cap | $112.59B | $52.23B |
Sector | Technology | Technology |
52-Week High | $22.03 | $28.02 |
52-Week Low | $11.54 | $6.58 |
Enterprise Value | $176.05B | $49.83B |
Dividend Yield | 9.51% | 1.95% |
Signals from Pluang's Aura AI — not financial advice
PBR trades at $18.19, up 1.22% today, with a bullish technical signal from moving averages. The stock shows strong fundamentals with a low P/E of 5.73 and robust profitability, including a 21.47% net income margin. Recent news highlights expansion in deepwater operations and strategic partnerships, while earnings have mostly beaten expectations except for a Q1 2026 miss.
The outlook is positive, supported by attractive valuation, solid cash flows, and dividend payments. Risks include oil price volatility and execution of new projects. Analyst consensus leans bullish with 50% buy ratings, but overbought RSI levels suggest near-term caution.
UMC trades at $21.19, down 0.28% on the day, with a bullish technical signal from oscillators but bearish moving averages. The company reported Q1 2026 EPS of $0.20, beating expectations, and maintains a net income margin of 20.25%. Recent news highlights mass production of silicon photonics ICs and strong June 2026 sales growth of 22.85% year-over-year.
Outlook is supported by earnings beats and specialty technology demand, but risks include valuation above sector peers and competitive pressures. Analysts are mixed with 26.67% buy ratings, suggesting cautious optimism amid solid execution.
Trailing returns across standard periods
Petróleo Brasileiro S.A., commonly known as Petrobras, is a state-controlled Brazilian multinational corporation in the oil and gas industry. The company is one of the world's largest producers of oil and gas, primarily operating in exploration, production, refining, and power generation. Petrobras is particularly known for its deep-sea and ultra-deep-sea exploration and production activities in the vast pre-salt offshore reserves, which are a major component of Brazil's economy.
Read more on PBR →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 →