Yankey Engineering (6691) Stock Overview
Offers engineering services in Taiwan, China, and Thailand. More details
| Snowflake Score | |
|---|---|
| Valuation | 3/6 |
| Future Growth | 0/6 |
| Past Performance | 5/6 |
| Financial Health | 6/6 |
| Dividends | 3/6 |
6691 Community Fair Values
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Yankey Engineering Co., Ltd. Competitors
Price History & Performance
| Historical stock prices | |
|---|---|
| Current Share Price | NT$554.00 |
| 52 Week High | NT$642.00 |
| 52 Week Low | NT$285.65 |
| Beta | 0.15 |
| 1 Month Change | 14.82% |
| 3 Month Change | 27.06% |
| 1 Year Change | 42.69% |
| 3 Year Change | 389.89% |
| 5 Year Change | 754.50% |
| Change since IPO | 1,072.44% |
Recent News & Updates
Recent updates
Why Yankey Engineering's (TWSE:6691) Earnings Are Better Than They Seem
Mar 17
Some Confidence Is Lacking In Yankey Engineering Co., Ltd.'s (TWSE:6691) P/E
Mar 11A Look Into Yankey Engineering's (TWSE:6691) Impressive Returns On Capital
Feb 07Yankey Engineering Co., Ltd. (TWSE:6691) Looks Just Right With A 27% Price Jump
Dec 10Calculating The Fair Value Of Yankey Engineering Co., Ltd. (TWSE:6691)
Oct 16Cautious Investors Not Rewarding Yankey Engineering Co., Ltd.'s (TWSE:6691) Performance Completely
Sep 04Why We Like The Returns At Yankey Engineering (TWSE:6691)
Aug 08Yankey Engineering's (TWSE:6691) Conservative Accounting Might Explain Soft Earnings
May 22Did You Miss Yankey Engineering's (GTSM:6691) 62% Share Price Gain?
Mar 19Is Yankey Engineering Co., Ltd.'s (GTSM:6691) 5.6% Dividend Worth Your Time?
Feb 10
Here's Why We Don't Think Yankey Engineering's (GTSM:6691) Statutory Earnings Reflect Its Underlying Earnings Potential
Jan 20Is Yankey Engineering Co., Ltd.'s (GTSM:6691) Latest Stock Performance Being Led By Its Strong Fundamentals?
Dec 30Should Yankey Engineering (GTSM:6691) Be Disappointed With Their 15% Profit?
Dec 10Yankey Engineering (GTSM:6691): Are Investors Overlooking Returns On Capital?
Nov 17Shareholder Returns
| 6691 | TW Construction | TW Market | |
|---|---|---|---|
| 7D | -1.9% | 0.07% | 2.8% |
| 1Y | 42.7% | 25.7% | 27.0% |
Return vs Industry: 6691 exceeded the TW Construction industry which returned 27.1% over the past year.
Return vs Market: 6691 exceeded the TW Market which returned 25.7% over the past year.
Price Volatility
| 6691 volatility | |
|---|---|
| 6691 Average Weekly Movement | 6.0% |
| Construction Industry Average Movement | 4.5% |
| Market Average Movement | 4.6% |
| 10% most volatile stocks in TW Market | 8.3% |
| 10% least volatile stocks in TW Market | 2.0% |
Stable Share Price: 6691 has not had significant price volatility in the past 3 months compared to the TW market.
Volatility Over Time: 6691's weekly volatility (6%) has been stable over the past year.
About the Company
| Founded | Employees | CEO | Website |
|---|---|---|---|
| 1980 | 905 | Shih-Yuan Liu | www.yankey.com.tw |
Yankey Engineering Co., Ltd. offers engineering services in Taiwan, China, and Thailand. The company designs and installs clean room systems, refrigeration and air conditioning systems, and ice-making systems; and sells materials for these systems. It also provides mechanical, electrical, and plumbing turnkey services for commercial office buildings; and high and low voltage transmission system installation, fire protection system, process pipeline system, water supply and drainage system, process exhaust system, and CCTV and security public address system, as well as green energy technology services.
Yankey Engineering Co., Ltd. Fundamentals Summary
| 6691 fundamental statistics | |
|---|---|
| Market cap | NT$66.81b |
| Earnings (TTM) | NT$2.67b |
| Revenue (TTM) | NT$20.62b |
Is 6691 overvalued?
See Fair Value and valuation analysisEarnings & Revenue
| 6691 income statement (TTM) | |
|---|---|
| Revenue | NT$20.62b |
| Cost of Revenue | NT$16.72b |
| Gross Profit | NT$3.89b |
| Other Expenses | NT$1.22b |
| Earnings | NT$2.67b |
Last Reported Earnings
Sep 30, 2025
Next Earnings Date
n/a
| Earnings per share (EPS) | 22.15 |
| Gross Margin | 18.89% |
| Net Profit Margin | 12.96% |
| Debt/Equity Ratio | 0% |
How did 6691 perform over the long term?
See historical performance and comparisonDividends
Company Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2026/01/02 11:25 |
| End of Day Share Price | 2026/01/02 00:00 |
| Earnings | 2025/09/30 |
| Annual Earnings | 2024/12/31 |
Data Sources
The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
| |
| Analyst Consensus Estimates | +3 years |
|
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| Market Prices | 30 years |
| |
| Ownership | 10 years |
| |
| Management | 10 years |
| |
| Key Developments | 10 years |
|
* Example for US securities, for non-US equivalent regulatory forms and sources are used.
Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.
Analysis Model and Snowflake
Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.
Learn about the world class team who designed and built the Simply Wall St analysis model.
Industry and Sector Metrics
Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.
Analyst Sources
Yankey Engineering Co., Ltd. is covered by 1 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.
| Analyst | Institution |
|---|---|
| Licheng Zhuang | Capital Securities Corporation |