Yankey Engineering Co., Ltd.

Yankey Engineering Co., Ltd.verified

6691.TW

Price:

$757

Market Cap:

$91.29B

Yankey Engineering Co., Ltd. is an engineering firm providing specialized solutions to clients both within Taiwan and across international markets. The company's core competencies include the comprehensive design, installation, and material supply for systems such as controlled environments (clean rooms), climate control (refrigeration and air conditioning), and ice production facilities. Furthermore, Yankey Engineering delivers end-to-end (turnkey) mechanical, electrical, and plumbing (MEP) services, particularly for commercial office buildings. Their broad service portfolio also encompasses the installation of high and low voltage power distribution networks, fire safety and suppression sy...[Read more]

Industry

Engineering & Construction

IPO Date

2018-08-08

Stock Exchange

TAI

Ticker

6691.TW

The ROE as of June 2026 (TTM) for Yankey Engineering Co., Ltd. (6691.TW) is 50.29%

According to Yankey Engineering Co., Ltd.’s latest financial reports and current stock price. The company's current ROE is 50.29%. This represents a change of 299.82% compared to the average of 12.58% of the last 4 quarters.

Yankey Engineering Co., Ltd. (6691.TW) Historical ROE (quarterly & annually)

How has 6691.TW ROE performed in the past?

The mean historical ROE of Yankey Engineering Co., Ltd. over the last ten years is 29.36%. The current 50.29% ROE has changed 71.29% with respect to the historical average. Over the past ten years (40 quarters), 6691.TW's ROE was at its highest in in the March 2026 quarter at 14.56%. The ROE was at its lowest in in the December 2023 quarter at 6.72%.

Quarterly (TTM)
Annual

Average

29.36%

Median

31.58%

Minimum

21.18%

Maximum

39.32%

Yankey Engineering Co., Ltd. (6691.TW) ROE by Quarter and Year

Discovering the peaks and valleys of Yankey Engineering Co., Ltd. ROE, unveiling quarterly and yearly fluctuations to gain insights into the company’s financial performance and market dynamics, offering valuable data for investors and analysts alike.

Maximum Annual Increase = 58.81%

Maximum Annual ROE = 39.32%

Minimum Annual Increase = -15.11%

Minimum Annual ROE = 21.18%

Quarterly (TTM)
Annual
YearROEChange
202539.32%21.85%
202432.27%2.19%
202331.58%-6.13%
202233.64%58.81%
202121.18%-2.99%
202021.83%-15.11%

Yankey Engineering Co., Ltd. (6691.TW) Average ROE

How has 6691.TW ROE performed in the past?

The current ROE of Yankey Engineering Co., Ltd. (6691.TW) is less than than its 3-year, less than than its 5-year, and less than than its 10-year historical averages

3-year avg

34.39%

5-year avg

31.60%

10-year avg

29.36%

Yankey Engineering Co., Ltd. (6691.TW) ROE vs. Peers

How is 6691.TW’s ROE compared to its peers?

Yankey Engineering Co., Ltd.’s ROE is less than Ruentex Engineering & Construction Co., Ltd. (42.58%), less than Century Wind Power Co., Ltd. (10.62%), less than Evergreen Aviation Technologies Corporation (18.98%), less than Hwang Chang General Contractor Co., Ltd (13.34%), less than Taiwan Secom Co., Ltd. (22.80%), less than Taiwan Cogeneration Corporation (18.72%), less than Dynapack International Technology Corporation (16.65%), less than Aerospace Industrial Development Corporation (4.33%), less than Mega Union Technology Inc. (32.77%), less than Apex Dynamics, Inc. (9.27%),

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