Co-Tech Development (ROCO:8358) Cyclically Adjusted PB Ratio: 19.80 (As of Sep. 09, 2026) — 523% Above Median

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ROCO:8358 Co-Tech Development Corp ROCO:8358
77 GF Score
Price NT$520.00
GF Value NT$108.08
Valuation Significantly Overvalued
! 2 Warning Signs
View Full Analysis

What is Co-Tech Development Cyclically Adjusted PB Ratio?

Co-Tech Development ROCO:8358 +0.97% 77 Cyclically Adjusted PB Ratio is 19.80 as of Sep. 09, 2026, which is 523% above its 10-year median of 3.18. GuruFocus rates ROCO:8358 with a GF Score™ of 77/100 and a GF Value™ of NT$108.08 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 1,929 Hardware companies, Co-Tech Development ranks worse than 96.11% on this metric.

As of today (2026-09-09), Co-Tech Development's current share price is NT$520.00. Co-Tech Development's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was NT$26.26. Co-Tech Development's Cyclically Adjusted PB Ratio for today is 19.80.

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

ROCO:8358' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.9   Med: 3.18   Max: 27.64
Current: 19.04

During the past years, Co-Tech Development's highest Cyclically Adjusted PB Ratio was 27.64. The lowest was 1.90. And the median was 3.18.

ROCO:8358's Cyclically Adjusted PB Ratio is ranked worse than
96.11% of 1929 companies
in the Hardware industry
Industry Median: 2.06 vs ROCO:8358: 19.04

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.

Co-Tech Development's adjusted book value per share data for the three months ended in Jun. 2026 was NT$36.835. 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$26.26 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Co-Tech Development  (ROCO:8358) 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.


Co-Tech Development Cyclically Adjusted PB Ratio Related Terms


Co-Tech Development Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Co-Tech Development'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.

Co-Tech Development Cyclically Adjusted PB Ratio Chart

Co-Tech Development 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 4.73 2.72 3.02 2.66 11.39

Co-Tech Development 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 2.50 9.71 11.39 9.34 22.84

ROCO:8358 vs APH, GLW, TEL: Cyclically Adjusted PB Ratio Comparison

For the Electronic Components subindustry, Co-Tech Development'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.


Co-Tech Development Cyclically Adjusted PB Ratio vs Hardware Industry

For the Hardware industry and Technology sector, Co-Tech Development's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Co-Tech Development's Cyclically Adjusted PB Ratio falls into.


ROCO:8358
77GF Score
Co-Tech Development Corp ROCO:8358
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Co-Tech Development 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.

Co-Tech Development's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=520.00/26.26
=19.80

* 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.

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

For example, Co-Tech Development'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)
=36.835/333.9520*333.9520
=36.835

Current CPI (Jun. 2026) = 333.9520.

Co-Tech Development Quarterly Data

Book Value per Share CPI Adj_Book
201609 8.862 241.428 12.258
201612 10.199 241.432 14.107
201703 11.665 243.801 15.978
201706 13.239 244.955 18.049
201709 20.256 246.819 27.407
201712 21.036 246.524 28.496
201803 21.841 249.554 29.228
201806 19.642 251.989 26.031
201809 20.448 252.439 27.051
201812 20.954 251.233 27.853
201903 21.341 254.202 28.036
201906 19.514 256.143 25.442
201909 19.874 256.759 25.849
201912 20.287 256.974 26.364
202003 20.907 258.115 27.050
202006 19.530 257.797 25.299
202009 20.038 260.280 25.710
202012 20.414 260.474 26.173
202103 21.338 264.877 26.903
202106 22.877 271.696 28.119
202109 22.617 274.310 27.535
202112 24.425 278.802 29.257
202203 25.937 287.504 30.127
202206 22.947 296.311 25.862
202209 23.407 296.808 26.336
202212 24.089 296.797 27.105
202303 24.799 301.836 27.438
202306 22.631 305.109 24.770
202309 22.997 307.789 24.952
202312 23.689 306.746 25.790
202403 24.530 312.332 26.228
202406 24.185 314.175 25.707
202409 25.066 315.301 26.549
202412 25.855 315.605 27.358
202503 26.905 319.799 28.096
202506 25.968 322.561 26.885
202509 28.273 324.800 29.070
202512 29.747 324.054 30.656
202603 32.273 330.213 32.638
202606 36.835 333.952 36.835

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 19.80 mean?
Co-Tech Development (ROCO:8358) has a Cyclically Adjusted PB Ratio of 19.80 as of Sep. 09, 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 Co-Tech Development and its competitors. This is 523% above median its historical median of 3.18. Over the past decade, Co-Tech Development's Cyclically Adjusted PB Ratio has ranged from 1.90 to 27.64. According to the industry distribution chart, Co-Tech Development ranks #1854 out of 1929 companies in the Hardware industry, placing it in the top 96.1%.
Is Co-Tech Development's Cyclically Adjusted PB Ratio too high?
Co-Tech Development's current Cyclically Adjusted PB Ratio of 19.80 is 523% above median its 10-year median of 3.18. Over the past 10 years, this metric has ranged from a low of 1.90 to a high of 27.64. The Hardware industry median Cyclically Adjusted PB Ratio is 2.06. Co-Tech Development's value of 19.80 is 861.2% above this industry median. Based on the distribution chart, Co-Tech Development ranks #1854 out of 1929 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Co-Tech Development has a GF Score™ of 77/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Co-Tech Development's Cyclically Adjusted PB Ratio compare to APH and GLW?
According to the Hardware industry distribution chart, Co-Tech Development ranks #1854 out of 1929 companies for Cyclically Adjusted PB Ratio. This places Co-Tech Development in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.06. Co-Tech Development's value of 19.80 is 861.2% above this benchmark. Historically, Co-Tech Development's own Cyclically Adjusted PB Ratio has ranged from 1.90 to 27.64 over the past decade. While the company's 10-year median is 3.18 vs. the industry median of 2.06, Co-Tech Development 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 Hardware company?
The median Cyclically Adjusted PB Ratio among Hardware companies is 2.06, based on 1,929 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. Co-Tech Development's current Cyclically Adjusted PB Ratio of 19.80 is 861.2% 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 Co-Tech Development and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.06 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Co-Tech Development's current Cyclically Adjusted PB Ratio is 19.80, which is 523% above median its own 10-year median of 3.18. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Co-Tech Development stock overvalued right now?
Based on GuruFocus' analysis, Co-Tech Development (ROCO:8358) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$108.08, compared to a current price of NT$520.00 — trading 381.1% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 19.80, which is 523% above median its 10-year median of 3.18 and 861.2% above the Hardware industry median of 2.06. Co-Tech Development's overall GF Score™ is 77/100 with 2 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 Co-Tech Development (ROCO:8358), the current Cyclically Adjusted PB Ratio is 19.80 as of Sep. 09, 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 Co-Tech Development (ROCO:8358) Overvalued in 2026?

Based on GuruFocus' analysis, Co-Tech Development stock appears to be overvalued. The current stock price of NT$520.00 is trading 381.1% above its estimated GF Value™ of NT$108.08. GuruFocus considers Co-Tech Development to be Significantly Overvalued.

Key valuation signals for ROCO:8358:

  • Cyclically Adjusted PB Ratio: 19.80 (523% above median its 10-year median of 3.18)
  • GF Value™: NT$108.08 vs. price of NT$520.00 (381.1% above fair value)
  • GF Score™: 77/100 with 2 warning signs
  • Industry Position: 861.2% above the Hardware median (#1854 of 1929)

No single metric tells the full story. See the ROCO:8358 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Co-Tech Development Business Description

Address No. 392, Ruiguang Road, 18th Floor, Neihu District, Taipei, TWN, 114
Co-Tech Development Corp manufactures and sells standard, low profile and high-performance series of copper foil products to supply the printed circuit board industry. Its products include IT, 3C Products HDI, LED car lighting module, Server, Switch, Storage, Rigid-Flex PCB, Touch module, 3D face recognition, Automotive market, 5G Antenna Radar, ADAS, HDI / Rigid-Flex Board, Touch module, Wearable devices / VR, Augmented Reality, Mobile terminal, 3D face recognition, Communication module. The group has only copper foil segment operating in two principal geographical areas - Taiwan and China.
77GF Score

Get the complete analysis for ROCO:8358

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

NT$520.00
Price
NT$108.08
GF Value