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Yankey Engineering Co., Ltd.TWSE:6691 Stock Report

Market Cap NT$85.4b
Share Price
n/a
1Y72.1%
7D-7.1%
1D-1.0%
Portfolio Value
View

Yankey Engineering Co., Ltd.

TWSE:6691 Stock Report

Market Cap: NT$85.4b

Yankey Engineering (6691) Stock Overview

Offers engineering services in Taiwan, China, and Thailand. More details

6691 fundamental analysis
Snowflake Score
Valuation0/6
Future Growth0/6
Past Performance5/6
Financial Health6/6
Dividends3/6

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Yankey Engineering Co., Ltd. Competitors

Price History & Performance

Summary of share price highs, lows and changes for Yankey Engineering
Historical stock prices
Current Share PriceNT$708.00
52 Week HighNT$834.00
52 Week LowNT$399.57
Beta0.43
1 Month Change11.15%
3 Month Change12.38%
1 Year Change72.14%
3 Year Change218.51%
5 Year Change499.31%
Change since IPO1,398.36%

Recent News & Updates

Recent updates

Analysis Article Mar 17

Why Yankey Engineering's (TWSE:6691) Earnings Are Better Than They Seem

Yankey Engineering Co., Ltd.'s ( TWSE:6691 ) recent earnings report didn't offer any surprises, with the shares...
Analysis Article Mar 11

Some Confidence Is Lacking In Yankey Engineering Co., Ltd.'s (TWSE:6691) P/E

Yankey Engineering Co., Ltd.'s ( TWSE:6691 ) price-to-earnings (or "P/E") ratio of 25.2x might make it look like a sell...
Analysis Article Feb 07

A Look Into Yankey Engineering's (TWSE:6691) Impressive Returns On Capital

If you're not sure where to start when looking for the next multi-bagger, there are a few key trends you should keep an...
Analysis Article Dec 10

Yankey Engineering Co., Ltd. (TWSE:6691) Looks Just Right With A 27% Price Jump

Yankey Engineering Co., Ltd. ( TWSE:6691 ) shareholders have had their patience rewarded with a 27% share price jump in...
Analysis Article Oct 16

Calculating The Fair Value Of Yankey Engineering Co., Ltd. (TWSE:6691)

Key Insights Yankey Engineering's estimated fair value is NT$395 based on 2 Stage Free Cash Flow to Equity With NT$321...
Analysis Article Sep 04

Cautious Investors Not Rewarding Yankey Engineering Co., Ltd.'s (TWSE:6691) Performance Completely

There wouldn't be many who think Yankey Engineering Co., Ltd.'s ( TWSE:6691 ) price-to-earnings (or "P/E") ratio of...
Analysis Article Aug 08

Why We Like The Returns At Yankey Engineering (TWSE:6691)

If you're looking for a multi-bagger, there's a few things to keep an eye out for. Typically, we'll want to notice a...
Analysis Article May 22

Yankey Engineering's (TWSE:6691) Conservative Accounting Might Explain Soft Earnings

The market for Yankey Engineering Co., Ltd.'s ( TWSE:6691 ) shares didn't move much after it posted weak earnings...
Analysis Article Mar 19

Did You Miss Yankey Engineering's (GTSM:6691) 62% Share Price Gain?

We believe investing is smart because history shows that stock markets go higher in the long term. But if when you...
Analysis Article Feb 10

Is Yankey Engineering Co., Ltd.'s (GTSM:6691) 5.6% Dividend Worth Your Time?

Today we'll take a closer look at Yankey Engineering Co., Ltd. ( GTSM:6691 ) from a dividend investor's perspective...
Analysis Article Jan 20

Here's Why We Don't Think Yankey Engineering's (GTSM:6691) Statutory Earnings Reflect Its Underlying Earnings Potential

Broadly speaking, profitable businesses are less risky than unprofitable ones. However, sometimes companies receive a...
Analysis Article Dec 30

Is Yankey Engineering Co., Ltd.'s (GTSM:6691) Latest Stock Performance Being Led By Its Strong Fundamentals?

Yankey Engineering's (GTSM:6691) stock up by 6.3% over the past three months. Given its impressive performance, we...
Analysis Article Dec 10

Should Yankey Engineering (GTSM:6691) Be Disappointed With Their 15% Profit?

On average, over time, stock markets tend to rise higher. This makes investing attractive. But if you choose that path...
Analysis Article Nov 17

Yankey Engineering (GTSM:6691): Are Investors Overlooking Returns On Capital?

Did you know there are some financial metrics that can provide clues of a potential multi-bagger? Amongst other...

Shareholder Returns

6691TW ConstructionTW Market
7D-7.1%-6.9%-3.1%
1Y72.1%28.5%97.8%

Return vs Industry: 6691 exceeded the TW Construction industry which returned 28.5% over the past year.

Return vs Market: 6691 underperformed the TW Market which returned 97.8% over the past year.

Price Volatility

Is 6691's price volatile compared to industry and market?
6691 volatility
6691 Average Weekly Movement6.5%
Construction Industry Average Movement5.7%
Market Average Movement6.5%
10% most volatile stocks in TW Market12.0%
10% least volatile stocks in TW Market2.6%

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 (7%) has been stable over the past year.

About the Company

FoundedEmployeesCEOWebsite
1980956Shih-Yuan Liuwww.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

How do Yankey Engineering's earnings and revenue compare to its market cap?
6691 fundamental statistics
Market capNT$85.38b
Earnings (TTM)NT$3.26b
Revenue (TTM)NT$25.38b
26.2x
P/E Ratio
3.4x
P/S Ratio

Earnings & Revenue

Key profitability statistics from the latest earnings report (TTM)
6691 income statement (TTM)
RevenueNT$25.38b
Cost of RevenueNT$20.67b
Gross ProfitNT$4.71b
Other ExpensesNT$1.46b
EarningsNT$3.26b

Last Reported Earnings

Mar 31, 2026

Next Earnings Date

n/a

Earnings per share (EPS)26.99
Gross Margin18.56%
Net Profit Margin12.82%
Debt/Equity Ratio0%

How did 6691 perform over the long term?

See historical performance and comparison

Dividends

3.0%
Current Dividend Yield
78%
Payout Ratio

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/07/11 22:45
End of Day Share Price 2026/07/09 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

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.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* 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. 1 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Yen Chun WangSinoPac Securities Investment Service