Sunonwealth Electric Machine Industry Co Ltd (2421)
Taiwan Stock Exchange · Taiwan · prices in TWD · close of 22 Oct 2026
Key indicators
| Last close | TWD 155.00 |
|---|---|
| 52-week range | 118.50 – 195.00 |
| Return, 1 month / 3 months | −7.2% / +17.4% |
| Return, 1 year / 3 years | +13.1% / +67.6% |
| Trend | Above 200-day, below 50-day |
| RSI (14) | 40 |
| Volatility (1 year) | 49.6% |
| Worst drawdown (1 year) | -36.4% |
| Average daily value traded | 535.52M TWD |
| Dividend yield | – |
Market X-Ray price-based
Five-year price chart navy: price · brown: 200-day average
About the company
Sunonwealth Electric Machine Industry, known for its Sunon brand, makes fans, blowers and thermal management components used to cool electronics and industrial equipment. Its products include small axial fans, centrifugal blowers and related cooling parts that go into computers, appliances, machinery and other devices where heat must be moved away. The company is based in Taiwan and serves equipment makers and industrial customers in markets around the world through its own branded product lines.
Sunonwealth Electric Machine Industry Co Ltd trades under the code 2421 on the Taiwan Stock Exchange in Taiwan, with its price quoted in New Taiwan dollars (TWD). Our dividend records, which start in 2019, show payments in 5 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
Sunonwealth Electric Machine Industry Co Ltd (2421) trades on the Taiwan Stock Exchange in Taiwan. It last closed at TWD 155.00 on 22 October 2026.
Its price-based Market X-Ray is 63 out of 100 (a fair price profile), ranking 277 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 13.1% and over the last three months it rose 17.4%. 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 | 68 · Fair | Mixed trend against its averages. | |
| Above 200-day average | 3.8% | ||
| From 52-week high | -18.2% | ||
| Momentum | 75 · Strong | Rising faster than most stocks on this exchange. | |
| 3-month return | 17.4% | ||
| 6-month return | 5.4% | ||
| 12-month return, skipping the last month | 21.9% | ||
| Stability (higher is calmer) | 33 · Weak | Volatile, with deep drawdowns. | |
| Volatility, 1 year (lower is calmer) | 49.6% | ||
| Worst drawdown, 1 year (smaller is calmer) | -36.4% | ||
| Liquidity | 83 · Strong | Trades actively. | |
| Average daily value traded | 535.52M TWD | ||
| Zero-volume days | 0.0% | ||
| Income | – | Pays no dividend. | |
| Dividend yield | – | ||
| Years with dividends | 2 |
Strengths
- Momentum: Rising faster than most stocks on this exchange.
- Liquidity: Trades actively.
Weak spots
- Stability (higher is calmer): Volatile, with deep drawdowns.
Returns
| 1 week | −5.5% |
|---|---|
| 1 month | −7.2% |
| 3 months | +17.4% |
| 6 months | +5.4% |
| 1 year | +13.1% |
| 3 years | +67.6% |
| 5 years | +321.2% |
Signals
| 50-day / 200-day average | 161.39 / 149.37 |
|---|---|
| Golden / death cross (60 days) | Golden, 20 days ago |
| New 52-week high | No |
| Bullish RSI divergence | No |
| Average daily range (ATR) | 6.08 |
Technical summary
Recent dividends
| Ex-dividend date | Amount per share |
|---|---|
| 5 Jul 2023 | TWD 2.6000 |
| 28 Jun 2022 | TWD 1.2000 |
| 21 Jul 2021 | TWD 2.4000 |
| 8 Jul 2020 | TWD 2.0000 |
| 5 Jul 2019 | TWD 2.0000 |
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.