Ta-Yuan Cogeneration Co (ROCO:8931) Cyclically Adjusted PB Ratio: 2.15 (As of Aug. 20, 2026) — Near Median

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ROCO:8931 Ta-Yuan Cogeneration Co Ltd ROCO:8931
77 GF Score
Price NT$40.60
GF Value NT$49.07
Valuation Modestly Undervalued
! 10 Warning Signs
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What is Ta-Yuan Cogeneration Co Cyclically Adjusted PB Ratio?

Ta-Yuan Cogeneration Co ROCO:8931 77 Cyclically Adjusted PB Ratio is 2.15 as of Aug. 20, 2026, which is 5% below its 10-year median of 2.26. GuruFocus rates ROCO:8931 with a GF Score™ of 77/100 and a GF Value™ of NT$49.07 (Modestly Undervalued). The stock has 10 warning signs investors should review. Among 427 Utilities - Regulated companies, Ta-Yuan Cogeneration Co ranks worse than 70.26% on this metric.

As of today (2026-08-20), Ta-Yuan Cogeneration Co's current share price is NT$40.60. Ta-Yuan Cogeneration Co's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was NT$18.89. Ta-Yuan Cogeneration Co's Cyclically Adjusted PB Ratio for today is 2.15.

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

ROCO:8931' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.71   Med: 2.26   Max: 4.55
Current: 2.15

During the past years, Ta-Yuan Cogeneration Co's highest Cyclically Adjusted PB Ratio was 4.55. The lowest was 1.71. And the median was 2.26.

ROCO:8931's Cyclically Adjusted PB Ratio is ranked worse than
70.26% of 427 companies
in the Utilities - Regulated industry
Industry Median: 1.52 vs ROCO:8931: 2.15

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.

Ta-Yuan Cogeneration Co's adjusted book value per share data for the three months ended in Jun. 2026 was NT$16.158. 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$18.89 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Ta-Yuan Cogeneration Co  (ROCO:8931) 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.


Ta-Yuan Cogeneration Co Cyclically Adjusted PB Ratio Related Terms


Ta-Yuan Cogeneration Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Ta-Yuan Cogeneration 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.

Ta-Yuan Cogeneration Co Cyclically Adjusted PB Ratio Chart

Ta-Yuan Cogeneration 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 2.02 2.47 2.69 2.65 2.49

Ta-Yuan Cogeneration 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 2.90 2.86 2.49 2.32 2.20

ROCO:8931 vs NEE, SO, DUK: Cyclically Adjusted PB Ratio Comparison

For the Utilities - Regulated Electric subindustry, Ta-Yuan Cogeneration 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.


Ta-Yuan Cogeneration Co Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Ta-Yuan Cogeneration Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Ta-Yuan Cogeneration Co's Cyclically Adjusted PB Ratio falls into.


ROCO:8931
77GF Score
Ta-Yuan Cogeneration Co Ltd ROCO:8931
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Ta-Yuan Cogeneration 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.

Ta-Yuan Cogeneration Co's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=40.60/18.89
=2.15

* 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.

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

For example, Ta-Yuan Cogeneration 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)
=16.158/333.9520*333.9520
=16.158

Current CPI (Jun. 2026) = 333.9520.

Ta-Yuan Cogeneration Co Quarterly Data

Book Value per Share CPI Adj_Book
201609 13.455 241.428 18.611
201612 13.714 241.432 18.969
201703 13.731 243.801 18.808
201706 13.219 244.955 18.022
201709 13.878 246.819 18.777
201712 14.781 246.524 20.023
201803 14.827 249.554 19.841
201806 13.875 251.989 18.388
201809 14.462 252.439 19.132
201812 14.385 251.233 19.121
201903 14.665 254.202 19.266
201906 14.270 256.143 18.605
201909 14.604 256.759 18.995
201912 14.901 256.974 19.365
202003 15.294 258.115 19.788
202006 14.486 257.797 18.765
202009 15.307 260.280 19.640
202012 16.276 260.474 20.867
202103 16.617 264.877 20.950
202106 17.742 271.696 21.807
202109 16.563 274.310 20.164
202112 16.719 278.802 20.026
202203 16.796 287.504 19.509
202206 15.148 296.311 17.072
202209 16.564 296.808 18.637
202212 17.808 296.797 20.037
202303 18.652 301.836 20.637
202306 16.884 305.109 18.480
202309 17.246 307.789 18.712
202312 17.761 306.746 19.336
202403 18.108 312.332 19.361
202406 16.545 314.175 17.586
202409 16.829 315.301 17.824
202412 16.872 315.605 17.853
202503 17.583 319.799 18.361
202506 16.159 322.561 16.730
202509 16.550 324.800 17.016
202512 16.567 324.054 17.073
202603 17.179 330.213 17.374
202606 16.158 333.952 16.158

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 2.15 mean?
Ta-Yuan Cogeneration Co (ROCO:8931) has a Cyclically Adjusted PB Ratio of 2.15 as of Aug. 20, 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 Ta-Yuan Cogeneration Co and its competitors. This is near median its historical median of 2.26. Over the past decade, Ta-Yuan Cogeneration Co's Cyclically Adjusted PB Ratio has ranged from 1.71 to 4.55. According to the industry distribution chart, Ta-Yuan Cogeneration Co ranks #300 out of 427 companies in the Utilities - Regulated industry, placing it in the top 70.3%.
Is Ta-Yuan Cogeneration Co's Cyclically Adjusted PB Ratio too high?
Ta-Yuan Cogeneration Co's current Cyclically Adjusted PB Ratio of 2.15 is near median its 10-year median of 2.26. Over the past 10 years, this metric has ranged from a low of 1.71 to a high of 4.55. The Utilities - Regulated industry median Cyclically Adjusted PB Ratio is 1.52. Ta-Yuan Cogeneration Co's value of 2.15 is 41.4% above this industry median. Based on the distribution chart, Ta-Yuan Cogeneration Co ranks #300 out of 427 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, Ta-Yuan Cogeneration Co has a GF Score™ of 77/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Ta-Yuan Cogeneration Co's Cyclically Adjusted PB Ratio compare to NEE and SO?
According to the Utilities - Regulated industry distribution chart, Ta-Yuan Cogeneration Co ranks #300 out of 427 companies for Cyclically Adjusted PB Ratio. This places Ta-Yuan Cogeneration Co in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.52. Ta-Yuan Cogeneration Co's value of 2.15 is 41.4% above this benchmark. Historically, Ta-Yuan Cogeneration Co's own Cyclically Adjusted PB Ratio has ranged from 1.71 to 4.55 over the past decade. While the company's 10-year median is 2.26 vs. the industry median of 1.52, Ta-Yuan Cogeneration 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 an Utilities - Regulated company?
The median Cyclically Adjusted PB Ratio among Utilities - Regulated companies is 1.52, based on 427 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. Ta-Yuan Cogeneration Co's current Cyclically Adjusted PB Ratio of 2.15 is 41.4% 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 Ta-Yuan Cogeneration Co and its competitors. For the Utilities - Regulated 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. Ta-Yuan Cogeneration Co's current Cyclically Adjusted PB Ratio is 2.15, which is near median its own 10-year median of 2.26. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ta-Yuan Cogeneration Co stock overvalued right now?
Based on GuruFocus' analysis, Ta-Yuan Cogeneration Co (ROCO:8931) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$49.07, compared to a current price of NT$40.60 — trading 17.3% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.15, which is near median its 10-year median of 2.26 and 41.4% above the Utilities - Regulated industry median of 1.52. Ta-Yuan Cogeneration Co's overall GF Score™ is 77/100 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 Ta-Yuan Cogeneration Co (ROCO:8931), the current Cyclically Adjusted PB Ratio is 2.15 as of Aug. 20, 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 Ta-Yuan Cogeneration Co (ROCO:8931) Overvalued in 2026?

Based on GuruFocus' analysis, Ta-Yuan Cogeneration Co stock appears to be undervalued. The current stock price of NT$40.60 is trading 17.3% below its estimated GF Value™ of NT$49.07. GuruFocus considers Ta-Yuan Cogeneration Co to be Modestly Undervalued.

Key valuation signals for ROCO:8931:

  • Cyclically Adjusted PB Ratio: 2.15 (near median its 10-year median of 2.26)
  • GF Value™: NT$49.07 vs. price of NT$40.60 (17.3% below fair value)
  • GF Score™: 77/100 with 10 warning signs
  • Industry Position: 41.4% above the Utilities - Regulated median (#300 of 427)

No single metric tells the full story. See the ROCO:8931 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Ta-Yuan Cogeneration Co Business Description

Address Chaoyin North Road, No. 276, Dayuan District, Taoyuan, TWN
Ta-Yuan Cogeneration Co Ltd engages mainly in operating the cogeneration business, operating and repairing equipment, processing waste disposal, managing incinerators, and processing refuse-derived fuel. It is involved in the operation, management, and maintenance of cogeneration plants, as well as waste disposal and incinerator management. Through the development of cogeneration, the company focuses on supplying power to industrial areas and balancing peak and off-peak electricity demand. The company's reportable segments are: Plant of Cogeneration, which generates the maximum revenue, and Plant of Renewable Energy. Geographically, it operates only in Taiwan.
77GF Score

Get the complete analysis for ROCO:8931

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

NT$40.60
Price
NT$49.07
GF Value