United Microelectronics Corporation (2303) Stock Price, Fundamentals & Analysis

What 2303 does

United Microelectronics Corporation (2303) is a semiconductor wafer foundry that manufactures and sells integrated circuits. It operates in Taiwan, China, Hong Kong, Japan, Korea, the United States, Europe, and internationally, offering circuit design, mask tooling, wafer fabrication, and assembly and testing services for communication devices, consumer electronics, computers, and other applications. The company also provides venture capital, consulting, solar engineering, R&D, and insurance services. Incorporated in 1980 and headquartered in Hsinchu City, Taiwan, United Microelectronics Corporation (2303) is part of the Taiwan Stock Exchange, where it is listed alongside peers such as Realtek Semiconductor Corp. (2379) and Hon Hai Precision Industry Co., Ltd. (2317).

Key numbers explained

• 154 TWD is the current share price, the amount you would pay for one share right now.
• -3.75% is today's price change, showing the percentage drop relative to the previous close.
• 1.93T TWD is the market capitalization, the total value of all outstanding shares.
• The trailing P/E ratio of 24.3 divides the current price by the last 12 months of earnings per share (6.34 TWD), a common way to gauge how the market values each dollar of earnings.
• The forward P/E ratio of 21.4 uses expected future earnings, which can be lower if the market anticipates growth.
• 1.69% is the dividend yield, the annual dividend per share expressed as a percentage of the current price.
• 14.3% is the debt-to-equity ratio, measuring financial leverage by comparing total debt to shareholders' equity.
• 243.4% is the price change over the last 52 weeks, calculated from the low of 43.2 TWD to the current price.

What to watch

• United Microelectronics Corporation (2303) operates in the semiconductor industry, which is sensitive to global demand cycles for chips used in consumer electronics, communications, and computing.
• As a Taiwan Stock Exchange stock, its performance can be influenced by broader index movements tracked on the TAIEX and by developments affecting the Taiwanese technology sector.
• Investors often monitor the nextEarningsDate (Oct 28, 2026) for updates on revenue growth, which has been 17% year over year, and for changes in profit margins, currently at 33.3%.
• The exDividendDate (Jul 8, 2026) is the key date for dividend eligibility; note that 0% of earnings are paid out as dividends, so the yield relies on other distributions.
• Peer companies like Wiwynn Corporation (6669), Quanta Computer Inc. (2382), and Lite-On Technology Corporation (2301) can provide context for sector trends.