Tainet Communication System (ROCO:4905) Cyclically Adjusted PB Ratio: 0.78 (As of Aug. 21, 2026) — 11% Above Median

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ROCO:4905 Tainet Communication System Corp ROCO:4905
46 GF Score
Price NT$89.60
! 10 Warning Signs
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What is Tainet Communication System Cyclically Adjusted PB Ratio?

Tainet Communication System ROCO:4905 -0.78% 46 Cyclically Adjusted PB Ratio is 0.78 as of Aug. 21, 2026, which is 11% above its 10-year median of 0.70. GuruFocus rates ROCO:4905 with a GF Score™ of 46/100. The stock has 10 warning signs investors should review. Among 1,951 Hardware companies, Tainet Communication System ranks better than 79.6% on this metric.

As of today (2026-08-21), Tainet Communication System's current share price is NT$89.60. Tainet Communication System's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was NT$114.42. Tainet Communication System's Cyclically Adjusted PB Ratio for today is 0.78.

The historical rank and industry rank for Tainet Communication System's Cyclically Adjusted PB Ratio or its related term are showing as below:

ROCO:4905' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.51   Med: 0.7   Max: 1.14
Current: 0.74

During the past years, Tainet Communication System's highest Cyclically Adjusted PB Ratio was 1.14. The lowest was 0.51. And the median was 0.70.

ROCO:4905's Cyclically Adjusted PB Ratio is ranked better than
79.6% of 1951 companies
in the Hardware industry
Industry Median: 2.07 vs ROCO:4905: 0.74

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.

Tainet Communication System's adjusted book value per share data for the three months ended in Mar. 2026 was NT$98.515. 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$114.42 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Tainet Communication System  (ROCO:4905) 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.


Tainet Communication System Cyclically Adjusted PB Ratio Related Terms


Tainet Communication System Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Tainet Communication System'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.

Tainet Communication System Cyclically Adjusted PB Ratio Chart

Tainet Communication System 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 0.64 0.53 0.76 0.71 0.54

Tainet Communication System Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 0.64 0.54 0.54 0.54 0.70

ROCO:4905 vs CSCO, MSI, HPE: Cyclically Adjusted PB Ratio Comparison

For the Communication Equipment subindustry, Tainet Communication System'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.


Tainet Communication System Cyclically Adjusted PB Ratio vs Hardware Industry

For the Hardware industry and Technology sector, Tainet Communication System's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Tainet Communication System's Cyclically Adjusted PB Ratio falls into.


ROCO:4905
46GF Score
Tainet Communication System Corp ROCO:4905
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Tainet Communication System 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.

Tainet Communication System's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=89.60/114.42
=0.78

* 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.

Tainet Communication System's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Tainet Communication System's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=98.515/330.2130*330.2130
=98.515

Current CPI (Mar. 2026) = 330.2130.

Tainet Communication System Quarterly Data

Book Value per Share CPI Adj_Book
201606 92.698 241.018 127.003
201609 94.037 241.428 128.619
201612 77.287 241.432 105.707
201703 81.465 243.801 110.339
201706 96.871 244.955 130.588
201709 104.751 246.819 140.144
201712 108.032 246.524 144.706
201803 103.716 249.554 137.238
201806 109.159 251.989 143.045
201809 100.841 252.439 131.909
201812 97.794 251.233 128.537
201903 100.776 254.202 130.910
201906 97.007 256.143 125.059
201909 98.491 256.759 126.667
201912 97.395 256.974 125.153
202003 90.937 258.115 116.338
202006 93.277 257.797 119.479
202009 89.234 260.280 113.210
202012 80.887 260.474 102.544
202103 97.995 264.877 122.167
202106 97.772 271.696 118.830
202109 95.674 274.310 115.172
202112 93.986 278.802 111.317
202203 94.322 287.504 108.334
202206 89.764 296.311 100.034
202209 90.588 296.808 100.783
202212 91.720 296.797 102.047
202303 96.103 301.836 105.138
202306 93.287 305.109 100.963
202309 95.355 307.789 102.302
202312 94.958 306.746 102.223
202403 95.671 312.332 101.148
202406 98.106 314.175 103.114
202409 96.987 315.301 101.574
202412 97.696 315.605 102.218
202503 95.938 319.799 99.062
202506 93.055 322.561 95.263
202509 97.544 324.800 99.170
202512 98.239 324.054 100.106
202603 98.515 330.213 98.515

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 0.78 mean?
Tainet Communication System (ROCO:4905) has a Cyclically Adjusted PB Ratio of 0.78 as of Aug. 21, 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 Tainet Communication System and its competitors. This is 11% above median its historical median of 0.70. Over the past decade, Tainet Communication System's Cyclically Adjusted PB Ratio has ranged from 0.51 to 1.14. According to the industry distribution chart, Tainet Communication System ranks #398 out of 1951 companies in the Hardware industry, placing it in the top 20.4%.
Is Tainet Communication System's Cyclically Adjusted PB Ratio too high?
Tainet Communication System's current Cyclically Adjusted PB Ratio of 0.78 is 11% above median its 10-year median of 0.70. Over the past 10 years, this metric has ranged from a low of 0.51 to a high of 1.14. The Hardware industry median Cyclically Adjusted PB Ratio is 2.07. Tainet Communication System's value of 0.78 is 62.3% below this industry median. Based on the distribution chart, Tainet Communication System ranks #398 out of 1951 companies in the Hardware industry, which is in the top quartile — a strong position relative to peers. Overall, Tainet Communication System has a GF Score™ of 46/100, reflecting its overall financial health beyond just this single metric.
How does Tainet Communication System's Cyclically Adjusted PB Ratio compare to CSCO and MSI?
According to the Hardware industry distribution chart, Tainet Communication System ranks #398 out of 1951 companies for Cyclically Adjusted PB Ratio. This places Tainet Communication System in the top 20% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 2.07. Tainet Communication System's value of 0.78 is 62.3% below this benchmark. Historically, Tainet Communication System's own Cyclically Adjusted PB Ratio has ranged from 0.51 to 1.14 over the past decade. While the company's 10-year median is 0.70 vs. the industry median of 2.07, Tainet Communication System has consistently been below 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 Hardware company?
The median Cyclically Adjusted PB Ratio among Hardware companies is 2.07, based on 1,951 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. Tainet Communication System's current Cyclically Adjusted PB Ratio of 0.78 is 62.3% below 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 Tainet Communication System and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.07 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tainet Communication System's current Cyclically Adjusted PB Ratio is 0.78, which is 11% above median its own 10-year median of 0.70. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tainet Communication System stock overvalued right now?
Tainet Communication System (ROCO:4905) has a current Cyclically Adjusted PB Ratio of 0.78. The current Cyclically Adjusted PB Ratio is 0.78, which is 11% above median its 10-year median of 0.70 and 62.3% below the Hardware industry median of 2.07. Tainet Communication System's overall GF Score™ is 46/100 with 10 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 Tainet Communication System (ROCO:4905), the current Cyclically Adjusted PB Ratio is 0.78 as of Aug. 21, 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.

Tainet Communication System Business Description

Address No.108, Ruiguang Road, 3 floor, Huyuan Li, Neihu District, Taipei, TWN, 114
Tainet Communication System Corp is a manufacturer of digital transmission and switching equipment, data terminal equipment, line interface equipment (including telemetry devices), communication and traffic. Manufacturing, processing, trading and installation engineering business of replacement equipment, programmable power supplies, etc.
46GF Score

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

NT$89.60
Price