Yankey Engineering Co (TPE:6691) Common Stock: NT$1,215 Mil (As of Dec. 2025)

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TPE:6691 Yankey Engineering Co Ltd TPE:6691
99 GF Score
Price NT$705.00
GF Value NT$595.10
Valuation Modestly Overvalued
! 2 Warning Signs
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What is Yankey Engineering Co Common Stock?

Yankey Engineering Co TPE:6691 -2.76% 99 Common Stock is NT$1,215 Mil as of Dec. 2025. GuruFocus rates TPE:6691 with a GF Score™ of 99/100 and a GF Value™ of NT$595.10 (Modestly Overvalued). The stock has 2 warning signs investors should review.

Yankey Engineering Co's quarterly common stock stayed the same from Jun. 2025 (NT$1,215 Mil) to Sep. 2025 (NT$1,215 Mil) and stayed the same from Sep. 2025 (NT$1,215 Mil) to Dec. 2025 (NT$1,215 Mil).

Yankey Engineering Co's annual common stock increased from Dec. 2023 (NT$883 Mil) to Dec. 2024 (NT$1,058 Mil) and increased from Dec. 2024 (NT$1,058 Mil) to Dec. 2025 (NT$1,215 Mil).

Yankey Engineering Co Common Stock Historical Data

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The historical data trend for Yankey Engineering Co's Common Stock can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Yankey Engineering Co Common Stock Chart

Yankey Engineering Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Common Stock
Get a 7-Day Free Trial Premium Member Only Premium Member Only 679.07 679.07 882.79 1,057.57 1,214.87

Yankey Engineering Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Common Stock Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 1,057.57 1,057.57 1,214.87 1,214.87 1,214.87
TPE:6691
99GF Score
Yankey Engineering Co Ltd TPE:6691
Common Stock is just one metric. See GF Score™, valuation, warning signs, and more.
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Yankey Engineering Co Common Stock Calculation

Common stock is listed on the Balance Sheet at the par value of the total shares outstanding of a company.

The par value of common stocks is meaningless. It is usually set at an absurdly low number.

Frequently Asked Questions Learn more about Common Stock →
What does a Common Stock of NT$1,215 Mil mean?
Yankey Engineering Co (TPE:6691) has a Common Stock of NT$1,215 Mil as of Dec. 2025. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on Yankey Engineering Co and its competitors.
Is Yankey Engineering Co's Common Stock too high?
Yankey Engineering Co's current Common Stock is NT$1,215 Mil. Overall, Yankey Engineering Co has a GF Score™ of 99/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Yankey Engineering Co's Common Stock compare to PWR and FIX?
Yankey Engineering Co's Common Stock of NT$1,215 Mil can be compared against companies in the Construction industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Common Stock for a Construction company?
A good Common Stock depends on the Construction industry context. However, Common Stock should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Common Stock mean?
A high Common Stock can signal that a stock is expensive relative to its fundamentals. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on Yankey Engineering Co and its competitors. Yankey Engineering Co's current Common Stock is NT$1,215 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Yankey Engineering Co stock overvalued right now?
Based on GuruFocus' analysis, Yankey Engineering Co (TPE:6691) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$595.10, compared to a current price of NT$705.00 — trading 18.5% above its estimated fair value. The current Common Stock is NT$1,215 Mil. Yankey Engineering Co's overall GF Score™ is 99/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Common Stock calculated?
Common Stock is calculated from a company's financial statements. For Yankey Engineering Co (TPE:6691), the current Common Stock is NT$1,215 Mil as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Yankey Engineering Co (TPE:6691) Overvalued in 2026?

Based on GuruFocus' analysis, Yankey Engineering Co stock appears to be overvalued. The current stock price of NT$705.00 is trading 18.5% above its estimated GF Value™ of NT$595.10. GuruFocus considers Yankey Engineering Co to be Modestly Overvalued.

Key valuation signals for TPE:6691:

  • Common Stock: NT$1,215 Mil
  • GF Value™: NT$595.10 vs. price of NT$705.00 (18.5% above fair value)
  • GF Score™: 99/100 with 2 warning signs

No single metric tells the full story. See the TPE:6691 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Yankey Engineering Co Business Description

Address Wenhua 2nd Road, Section 1, No. 266, Room 3, 18th Floor, Linkou District, New Taipei City, TWN, 244
Yankey Engineering Co Ltd is engaged in the design and installation of clean room systems, refrigeration, air conditioning systems, and ice-making systems, as well as the sales of materials for these systems. The various services offered by the company include clean room system engineering, high and low voltage transmission system installation, design and construction of fire, water, and electrical systems, and providing comprehensive MEP (Mechanical, Electrical, Plumbing) turnkey services for commercial office buildings, among others. Geographically, the company generates the majority of its revenue from Taiwan and the rest from China, Thailand, Malaysia, and the USA.
99GF Score

Get the complete analysis for TPE:6691

Common Stock is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$705.00
Price
NT$595.10
GF Value