Taiwan Secom Co (TPE:9917) Cyclically Adjusted PB Ratio: 3.65 (As of Sep. 01, 2026) — Near Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

TPE:9917 Taiwan Secom Co Ltd TPE:9917
91 GF Score
Price NT$106.00
GF Value NT$127.74
Valuation Modestly Undervalued
! 6 Warning Signs
View Full Analysis

What is Taiwan Secom Co Cyclically Adjusted PB Ratio?

Taiwan Secom Co TPE:9917 +0.27% 91 Cyclically Adjusted PB Ratio is 3.65 as of Sep. 01, 2026, which is 2% below its 10-year median of 3.73. GuruFocus rates TPE:9917 with a GF Score™ of 91/100 and a GF Value™ of NT$127.74 (Modestly Undervalued). The stock has 6 warning signs investors should review. Among 690 Business Services companies, Taiwan Secom Co ranks worse than 79.42% on this metric.

As of today (2026-09-01), Taiwan Secom Co's current share price is NT$106.00. Taiwan Secom Co's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was NT$29.01. Taiwan Secom Co's Cyclically Adjusted PB Ratio for today is 3.65.

The historical rank and industry rank for Taiwan Secom Co's Cyclically Adjusted PB Ratio or its related term are showing as below:

TPE:9917' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 3.31   Med: 3.73   Max: 5.05
Current: 3.65

During the past years, Taiwan Secom Co's highest Cyclically Adjusted PB Ratio was 5.05. The lowest was 3.31. And the median was 3.73.

TPE:9917's Cyclically Adjusted PB Ratio is ranked worse than
79.42% of 690 companies
in the Business Services industry
Industry Median: 1.52 vs TPE:9917: 3.65

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.

Taiwan Secom Co's adjusted book value per share data for the three months ended in Jun. 2026 was NT$26.946. 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$29.01 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Taiwan Secom Co  (TPE:9917) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Taiwan Secom Co Cyclically Adjusted PB Ratio Related Terms


Taiwan Secom Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Taiwan Secom Co's Cyclically Adjusted PB Ratio 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.

Taiwan Secom Co Cyclically Adjusted PB Ratio Chart

Taiwan Secom Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 3.97 3.60 4.09 4.23 3.64

Taiwan Secom Co Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Cyclically Adjusted PB Ratio 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 3.71 3.74 3.64 3.76 3.46

TPE:9917 vs ALLE, MSA, ADT: Cyclically Adjusted PB Ratio Comparison

For the Security & Protection Services subindustry, Taiwan Secom 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.


Taiwan Secom Co Cyclically Adjusted PB Ratio vs Business Services Industry

For the Business Services industry and Industrials sector, Taiwan Secom Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Taiwan Secom Co's Cyclically Adjusted PB Ratio falls into.


TPE:9917
91GF Score
Taiwan Secom Co Ltd TPE:9917
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Taiwan Secom Co Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Taiwan Secom Co's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=106.00/29.01
=3.65

* 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.

Taiwan Secom Co's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, Taiwan Secom Co's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=26.946/333.9520*333.9520
=26.946

Current CPI (Jun. 2026) = 333.9520.

Taiwan Secom Co Quarterly Data

Book Value per Share CPI Adj_Book
201609 22.106 241.428 30.578
201612 20.598 241.432 28.491
201703 22.134 243.801 30.319
201706 19.941 244.955 27.186
201709 21.073 246.819 28.512
201712 21.864 246.524 29.618
201803 22.987 249.554 30.761
201806 20.154 251.989 26.709
201809 21.185 252.439 28.026
201812 22.290 251.233 29.629
201903 23.556 254.202 30.946
201906 20.879 256.143 27.221
201909 22.021 256.759 28.641
201912 23.196 256.974 30.144
202003 24.208 258.115 31.321
202006 21.552 257.797 27.919
202009 22.815 260.280 29.273
202012 24.277 260.474 31.125
202103 25.614 264.877 32.294
202106 22.043 271.696 27.094
202109 23.392 274.310 28.478
202112 25.073 278.802 30.033
202203 26.781 287.504 31.108
202206 22.984 296.311 25.904
202209 24.438 296.808 27.496
202212 25.940 296.797 29.187
202303 27.417 301.836 30.334
202306 24.103 305.109 26.382
202309 25.542 307.789 27.713
202312 27.040 306.746 29.438
202403 28.387 312.332 30.352
202406 25.037 314.175 26.613
202409 26.529 315.301 28.098
202412 27.956 315.605 29.581
202503 29.463 319.799 30.767
202506 25.816 322.561 26.728
202509 27.536 324.800 28.312
202512 29.247 324.054 30.140
202603 30.719 330.213 31.067
202606 26.946 333.952 26.946

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

What does a Cyclically Adjusted PB Ratio of 3.65 mean?
Taiwan Secom Co (TPE:9917) has a Cyclically Adjusted PB Ratio of 3.65 as of Sep. 01, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Taiwan Secom Co and its competitors. This is near median its historical median of 3.73. Over the past decade, Taiwan Secom Co's Cyclically Adjusted PB Ratio has ranged from 3.31 to 5.05. According to the industry distribution chart, Taiwan Secom Co ranks #548 out of 690 companies in the Business Services industry, placing it in the top 79.4%.
Is Taiwan Secom Co's Cyclically Adjusted PB Ratio too high?
Taiwan Secom Co's current Cyclically Adjusted PB Ratio of 3.65 is near median its 10-year median of 3.73. Over the past 10 years, this metric has ranged from a low of 3.31 to a high of 5.05. The Business Services industry median Cyclically Adjusted PB Ratio is 1.52. Taiwan Secom Co's value of 3.65 is 140.1% above this industry median. Based on the distribution chart, Taiwan Secom Co ranks #548 out of 690 companies in the Business Services industry, which is in the bottom quartile relative to peers. Overall, Taiwan Secom Co has a GF Score™ of 91/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Taiwan Secom Co's Cyclically Adjusted PB Ratio compare to ALLE and MSA?
According to the Business Services industry distribution chart, Taiwan Secom Co ranks #548 out of 690 companies for Cyclically Adjusted PB Ratio. This places Taiwan Secom Co in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.52. Taiwan Secom Co's value of 3.65 is 140.1% above this benchmark. Historically, Taiwan Secom Co's own Cyclically Adjusted PB Ratio has ranged from 3.31 to 5.05 over the past decade. While the company's 10-year median is 3.73 vs. the industry median of 1.52, Taiwan Secom Co has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Business Services company?
The median Cyclically Adjusted PB Ratio among Business Services companies is 1.52, based on 690 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Taiwan Secom Co's current Cyclically Adjusted PB Ratio of 3.65 is 140.1% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Taiwan Secom Co and its competitors. For the Business Services industry, the median Cyclically Adjusted PB Ratio is 1.52 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Taiwan Secom Co's current Cyclically Adjusted PB Ratio is 3.65, which is near median its own 10-year median of 3.73. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Taiwan Secom Co stock overvalued right now?
Based on GuruFocus' analysis, Taiwan Secom Co (TPE:9917) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$127.74, compared to a current price of NT$106.00 — trading 17% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 3.65, which is near median its 10-year median of 3.73 and 140.1% above the Business Services industry median of 1.52. Taiwan Secom Co's overall GF Score™ is 91/100 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 PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Taiwan Secom Co (TPE:9917), the current Cyclically Adjusted PB Ratio is 3.65 as of Sep. 01, 2026. 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 Taiwan Secom Co (TPE:9917) Overvalued in 2026?

Based on GuruFocus' analysis, Taiwan Secom Co stock appears to be undervalued. The current stock price of NT$106.00 is trading 17% below its estimated GF Value™ of NT$127.74. GuruFocus considers Taiwan Secom Co to be Modestly Undervalued.

Key valuation signals for TPE:9917:

  • Cyclically Adjusted PB Ratio: 3.65 (near median its 10-year median of 3.73)
  • GF Value™: NT$127.74 vs. price of NT$106.00 (17% below fair value)
  • GF Score™: 91/100 with 6 warning signs
  • Industry Position: 140.1% above the Business Services median (#548 of 690)

No single metric tells the full story. See the TPE:9917 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Taiwan Secom Co Business Description

Address 13th Floor, No.135, Jingmao 2nd Road, Nangang District, Taipei, TWN
Taiwan Secom Co Ltd is engaged mainly in the security service. Its segments consist of Electronic systems segment engages in security system related service; Security services segment engages in security guarding related service; Cash delivery services engages in cash delivery service; Logistics services segment engages in logistic service; and Catering services segment engages in catering services. It derives the majority of revenue from Electronic systems segment.
91GF Score

Get the complete analysis for TPE:9917

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

NT$106.00
Price
NT$127.74
GF Value