United Microelectronics Corporation (2303)
Taiwan Stock Exchange · Taiwan · prices in TWD · close of 22 Oct 2026
Key indicators
| Last close | TWD 125.50 |
|---|---|
| 52-week range | 43.80 – 185.50 |
| Return, 1 month / 3 months | −21.6% / −9.7% |
| Return, 1 year / 3 years | +180.5% / +194.6% |
| Trend | Above 200-day, below 50-day |
| RSI (14) | 33 |
| Volatility (1 year) | 63.9% |
| Worst drawdown (1 year) | -41.6% |
| Average daily value traded | 21,996.51M TWD |
| Dividend yield | 2.1% |
Market X-Ray price-based
Five-year price chart navy: price · brown: 200-day average
About the company
United Microelectronics Corporation is a semiconductor foundry based in Hsinchu, Taiwan. It manufactures integrated circuits for other companies, producing chips on a range of process technologies at its wafer fabrication plants. Its customers are mainly fabless chip designers and integrated device manufacturers that outsource production rather than operate their own factories. The company serves markets such as communications, consumer electronics, computing and automotive electronics, and it also provides related services around chip manufacturing.
On this site United Microelectronics Corporation appears as a stock on the Taiwan Stock Exchange (Taiwan), code 2303, with prices in New Taiwan dollars (TWD). Our dividend records, which start in 2019, show payments in 8 different calendar years. The Market X-Ray on this page is price-based and compares it with other stocks on the same exchange; it does not measure how healthy the business is.
Summary
United Microelectronics Corporation (2303) trades on the Taiwan Stock Exchange in Taiwan. It last closed at TWD 125.50 on 22 October 2026.
Its price-based Market X-Ray is 60 out of 100 (a fair price profile), ranking 347 of 1,101 stocks on this exchange. The score describes how the stock has traded: trend, momentum, risk, liquidity and dividends, each ranked against the other stocks on its own exchange. It does not measure how healthy or cheap the business is.
Over the last year the price rose 180.5% and over the last three months it fell 9.7%. Returns are price returns, dividends not included.
Fundamental measures (valuation, growth, financial health) are not shown: we do not yet hold financial statements for this market.
The five lenses in numbers each metric is ranked against the other stocks on Taiwan Stock Exchange
| Lens and metric | Value | Score | Reading |
|---|---|---|---|
| Trend | 71 · Strong | Trading above its long-term averages and near its highs. | |
| Above 200-day average | 20.2% | ||
| From 52-week high | -29.7% | ||
| Momentum | 71 · Strong | Rising faster than most stocks on this exchange. | |
| 3-month return | -9.7% | ||
| 6-month return | 62.4% | ||
| 12-month return, skipping the last month | 257.7% | ||
| Stability (higher is calmer) | 19 · Weak | Volatile, with deep drawdowns. | |
| Volatility, 1 year (lower is calmer) | 63.9% | ||
| Worst drawdown, 1 year (smaller is calmer) | -41.6% | ||
| Liquidity | 100 · Strong | Trades actively. | |
| Average daily value traded | 21,996.51M TWD | ||
| Zero-volume days | 0.0% | ||
| Income | 47 · Weak | Dividend is small or irregular. | |
| Dividend yield | 2.1% | ||
| Years with dividends | 5 |
Strengths
- Trend: Trading above its long-term averages and near its highs.
- Momentum: Rising faster than most stocks on this exchange.
- Liquidity: Trades actively.
Weak spots
- Stability (higher is calmer): Volatile, with deep drawdowns.
- Income: Dividend is small or irregular.
Returns
| 1 week | −6.0% |
|---|---|
| 1 month | −21.6% |
| 3 months | −9.7% |
| 6 months | +62.4% |
| 1 year | +180.5% |
| 3 years | +194.6% |
| 5 years | +181.0% |
Signals
| 50-day / 200-day average | 136.78 / 104.44 |
|---|---|
| Golden / death cross (60 days) | None |
| New 52-week high | No |
| Bullish RSI divergence | No |
| Average daily range (ATR) | 6.21 |
Technical summary
Recent dividends
| Ex-dividend date | Amount per share |
|---|---|
| 8 Jul 2026 | TWD 2.6081 |
| 24 Jun 2025 | TWD 2.8502 |
| 2 Jul 2024 | TWD 3.0001 |
| 27 Jun 2023 | TWD 3.6005 |
| 22 Jun 2022 | TWD 3.0000 |
| 22 Jul 2021 | TWD 1.5999 |
How to read this report
Every number comes from end-of-day prices and dividends. The Market X-Ray describes how the stock has traded, ranked against the other stocks on Taiwan Stock Exchange; it does not measure how healthy or cheap the business is. The fundamental X-Ray (financial health, valuation, growth) needs financial statements, which we hold today for US stocks. See the methodology page. Educational only, not financial advice.