L & K Engineering Co (TPE:6139) Cyclically Adjusted Book per Share: NT$46.21 (As of Dec. 2025)

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TPE:6139 L & K Engineering Co Ltd TPE:6139
87 GF Score
Price NT$834.00
GF Value NT$698.56
Valuation Modestly Overvalued
! 6 Warning Signs
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What is L & K Engineering Co Cyclically Adjusted Book per Share?

L & K Engineering Co TPE:6139 -5.55% 87 Cyclically Adjusted Book per Share is NT$46.21 as of Dec. 2025. GuruFocus rates TPE:6139 with a GF Score™ of 87/100 and a GF Value™ of NT$698.56 (Modestly Overvalued). The stock has 6 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years.

L & K Engineering Co's adjusted book value per share for the three months ended in Dec. 2025 was NT$82.709. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is NT$46.21 for the trailing ten years ended in Dec. 2025.

During the past 12 months, L & K Engineering Co's average Cyclically Adjusted Book Growth Rate was 7.20% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 5.00% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 4.30% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of L & K Engineering Co was 5.00% per year. The lowest was 2.70% per year. And the median was 3.60% per year.

As of today (2026-07-15), L & K Engineering Co's current stock price is NT$834.00. L & K Engineering Co's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 was NT$46.21. L & K Engineering Co's Cyclically Adjusted PB Ratio of today is 18.05.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of L & K Engineering Co was 20.52. The lowest was 0.56. And the median was 1.07.


L & K Engineering Co  (TPE:6139) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

L & K Engineering Co's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=834.00/46.21
=18.05

* 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.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of L & K Engineering Co was 20.52. The lowest was 0.56. And the median was 1.07.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


L & K Engineering Co Cyclically Adjusted Book per Share Related Terms


L & K Engineering Co Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for L & K Engineering Co's Cyclically Adjusted Book per Share 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.

L & K Engineering Co Cyclically Adjusted Book per Share Chart

L & K Engineering Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 38.82 39.87 40.97 43.11 46.21

L & K Engineering Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Cyclically Adjusted Book per Share 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 43.11 44.13 44.72 45.48 46.21

TPE:6139 vs PWR, FIX, EME: Cyclically Adjusted Book per Share Comparison

For the Engineering & Construction subindustry, L & K Engineering Co's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


L & K Engineering Co Cyclically Adjusted PB Ratio vs Construction Industry

For the Construction industry and Industrials sector, L & K Engineering Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where L & K Engineering Co's Cyclically Adjusted PB Ratio falls into.


TPE:6139
87GF Score
L & K Engineering Co Ltd TPE:6139
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

L & K Engineering Co Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

For example, L & K Engineering Co's adjusted Book Value per Share data for the three months ended in Dec. 2025 was:

Adj_Book= Book Value per Share /CPI of Dec. 2025 (Change)*Current CPI (Dec. 2025)
=82.709/324.0540*324.0540
=82.709

Current CPI (Dec. 2025) = 324.0540.

L & K Engineering Co Quarterly Data

Book Value per Share CPI Adj_Book
201603 38.950 238.132 53.004
201606 34.132 241.018 45.891
201609 33.972 241.428 45.599
201612 34.000 241.432 45.635
201703 33.708 243.801 44.804
201706 32.618 244.955 43.151
201709 32.449 246.819 42.603
201712 33.419 246.524 43.929
201803 33.897 249.554 44.016
201806 33.051 251.989 42.503
201809 33.101 252.439 42.491
201812 33.916 251.233 43.747
201903 34.535 254.202 44.025
201906 33.006 256.143 41.757
201909 33.981 256.759 42.887
201912 34.008 256.974 42.885
202003 33.335 258.115 41.851
202006 32.602 257.797 40.981
202009 33.164 260.280 41.290
202012 33.473 260.474 41.644
202103 33.759 264.877 41.301
202106 33.870 271.696 40.397
202109 33.015 274.310 39.002
202112 34.324 278.802 39.895
202203 36.003 287.504 40.580
202206 35.607 296.311 38.941
202209 37.027 296.808 40.426
202212 4.135 296.797 4.515
202303 39.797 301.836 42.726
202306 38.196 305.109 40.568
202309 43.520 307.789 45.820
202312 48.129 306.746 50.845
202403 55.902 312.332 58.000
202406 52.500 314.175 54.151
202409 56.998 315.301 58.580
202412 62.606 315.605 64.282
202503 67.043 319.799 67.935
202506 55.145 322.561 55.400
202509 67.940 324.800 67.784
202512 82.709 324.054 82.709

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

What does a Cyclically Adjusted Book per Share of NT$46.21 mean?
L & K Engineering Co (TPE:6139) has a Cyclically Adjusted Book per Share of NT$46.21 as of Dec. 2025. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on L & K Engineering Co and its competitors.
Is L & K Engineering Co's Cyclically Adjusted Book per Share too high?
L & K Engineering Co's current Cyclically Adjusted Book per Share is NT$46.21. Overall, L & K Engineering Co has a GF Score™ of 87/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does L & K Engineering Co's Cyclically Adjusted Book per Share compare to PWR and FIX?
L & K Engineering Co's Cyclically Adjusted Book per Share of NT$46.21 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 Cyclically Adjusted Book per Share for a Construction company?
A good Cyclically Adjusted Book per Share depends on the Construction industry context. However, Cyclically Adjusted Book per Share 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 Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on L & K Engineering Co and its competitors. L & K Engineering Co's current Cyclically Adjusted Book per Share is NT$46.21. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is L & K Engineering Co stock overvalued right now?
Based on GuruFocus' analysis, L & K Engineering Co (TPE:6139) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$698.56, compared to a current price of NT$834.00 — trading 19.4% above its estimated fair value. The current Cyclically Adjusted Book per Share is NT$46.21. L & K Engineering Co's overall GF Score™ is 87/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For L & K Engineering Co (TPE:6139), the current Cyclically Adjusted Book per Share is NT$46.21 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 L & K Engineering Co (TPE:6139) Overvalued in 2026?

Based on GuruFocus' analysis, L & K Engineering Co stock appears to be overvalued. The current stock price of NT$834.00 is trading 19.4% above its estimated GF Value™ of NT$698.56. GuruFocus considers L & K Engineering Co to be Modestly Overvalued.

Key valuation signals for TPE:6139:

  • Cyclically Adjusted Book per Share: NT$46.21
  • GF Value™: NT$698.56 vs. price of NT$834.00 (19.4% above fair value)
  • GF Score™: 87/100 with 6 warning signs

No single metric tells the full story. See the TPE:6139 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


L & K Engineering Co Business Description

Address No.17, Lane 120, Section 1, Neihu Road, 5th Floor, Neihu District, Taipei City, TWN, 11493
L & K Engineering Co Ltd is a Taiwan-based professional engineering company that provides fully integrated turnkey engineering services for cleanroom construction projects, process utility systems, electrical and mechanical engineering, and other associated engineering projects. The main business includes design and manufacture of hospitals, pharmaceutical and biochemically sterile rooms, electronics clean room, related mechanical and electrical peripherals, and manufacturing process pipelines, especially turnkey engineering services.
87GF Score

Get the complete analysis for TPE:6139

Cyclically Adjusted Book per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$834.00
Price
NT$698.56
GF Value