Ta-Yuan Cogeneration Co (ROCO:8931) Cyclically Adjusted PS Ratio: 2.02 (As of Aug. 13, 2026) — 13% Below 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.

ROCO:8931 Ta-Yuan Cogeneration Co Ltd ROCO:8931
76 GF Score
Price NT$40.80
GF Value NT$47.04
Valuation Modestly Undervalued
! 9 Warning Signs
View Full Analysis

What is Ta-Yuan Cogeneration Co Cyclically Adjusted PS Ratio?

Ta-Yuan Cogeneration Co ROCO:8931 +0.74% 76 Cyclically Adjusted PS Ratio is 2.02 as of Aug. 13, 2026, which is 13% below its 10-year median of 2.33. GuruFocus rates ROCO:8931 with a GF Score™ of 76/100 and a GF Value™ of NT$47.04 (Modestly Undervalued). The stock has 9 warning signs investors should review. Among 440 Utilities - Regulated companies, Ta-Yuan Cogeneration Co ranks worse than 63.18% on this metric.

As of today (2026-08-13), Ta-Yuan Cogeneration Co's current share price is NT$40.80. Ta-Yuan Cogeneration Co's Cyclically Adjusted Revenue per Share for the quarter that ended in Mar. 2026 was NT$20.18. Ta-Yuan Cogeneration Co's Cyclically Adjusted PS Ratio for today is 2.02.

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

ROCO:8931' s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 1.86   Med: 2.33   Max: 4.64
Current: 2.02

During the past years, Ta-Yuan Cogeneration Co's highest Cyclically Adjusted PS Ratio was 4.64. The lowest was 1.86. And the median was 2.33.

ROCO:8931's Cyclically Adjusted PS Ratio is ranked worse than
63.18% of 440 companies
in the Utilities - Regulated industry
Industry Median: 1.41 vs ROCO:8931: 2.02

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 PS Ratio. The Cyclically Adjusted Revenue per Share is the average of the inflation adjusted revenue per share of a company over the past 10 years.

Ta-Yuan Cogeneration Co's adjusted revenue per share data for the three months ended in Mar. 2026 was NT$5.073. Add all the adjusted revenue per share for the past 10 years together and divide 10 will get our Cyclically Adjusted Revenue per Share, which is NT$20.18 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Ta-Yuan Cogeneration Co  (ROCO:8931) Cyclically Adjusted PS Ratio Explanation

Compared with the regular PS Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PS Ratio smoothed out the fluctuations of revenue 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 PS Ratio should give similar results to regular PS Ratio.


Ta-Yuan Cogeneration Co Cyclically Adjusted PS Ratio Related Terms


Ta-Yuan Cogeneration Co Cyclically Adjusted PS Ratio Historical Data

* Premium members only.

The historical data trend for Ta-Yuan Cogeneration Co's Cyclically Adjusted PS 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 PS Ratio Chart

Ta-Yuan Cogeneration Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PS Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.23 2.56 2.68 2.56 2.33

Ta-Yuan Cogeneration Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PS 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 2.43 2.76 2.69 2.33 2.15

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

For the Utilities - Regulated Electric subindustry, Ta-Yuan Cogeneration Co's Cyclically Adjusted PS Ratio, along with its competitors' market caps and Cyclically Adjusted PS 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 PS Ratio vs Utilities - Regulated Industry

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

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


ROCO:8931
76GF Score
Ta-Yuan Cogeneration Co Ltd ROCO:8931
Cyclically Adjusted PS Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Ta-Yuan Cogeneration Co Cyclically Adjusted PS Ratio Calculation

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

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

Cyclically Adjusted PS Ratio=Share Price/ Cyclically Adjusted Revenue per Share
=40.80/20.18
=2.02

* 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 Revenue per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Ta-Yuan Cogeneration Co's adjusted Revenue per Share data for the three months ended in Mar. 2026 was:

Adj_RevenuePerShare=Revenue per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=5.073/330.2130*330.2130
=5.073

Current CPI (Mar. 2026) = 330.2130.

Ta-Yuan Cogeneration Co Quarterly Data

Revenue per Share CPI Adj_RevenuePerShare
201606 2.646 241.018 3.625
201609 2.852 241.428 3.901
201612 2.623 241.432 3.588
201703 2.739 243.801 3.710
201706 3.403 244.955 4.587
201709 4.057 246.819 5.428
201712 3.099 246.524 4.151
201803 3.145 249.554 4.162
201806 3.613 251.989 4.735
201809 4.046 252.439 5.293
201812 3.511 251.233 4.615
201903 3.236 254.202 4.204
201906 3.203 256.143 4.129
201909 3.409 256.759 4.384
201912 3.585 256.974 4.607
202003 3.407 258.115 4.359
202006 3.871 257.797 4.958
202009 4.034 260.280 5.118
202012 3.844 260.474 4.873
202103 3.293 264.877 4.105
202106 4.262 271.696 5.180
202109 4.867 274.310 5.859
202112 3.925 278.802 4.649
202203 3.742 287.504 4.298
202206 4.717 296.311 5.257
202209 7.353 296.808 8.181
202212 7.573 296.797 8.426
202303 6.480 301.836 7.089
202306 5.436 305.109 5.883
202309 5.338 307.789 5.727
202312 4.982 306.746 5.363
202403 4.683 312.332 4.951
202406 5.025 314.175 5.282
202409 5.557 315.301 5.820
202412 5.324 315.605 5.570
202503 5.059 319.799 5.224
202506 4.872 322.561 4.988
202509 5.652 324.800 5.746
202512 4.636 324.054 4.724
202603 5.073 330.213 5.073

Add all the adjusted revenue per share together and divide 10 will get our Cyclically Adjusted Revenue 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 PS Ratio of 2.02 mean?
Ta-Yuan Cogeneration Co (ROCO:8931) has a Cyclically Adjusted PS Ratio of 2.02 as of Aug. 13, 2026. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Ta-Yuan Cogeneration Co and its competitors. This is 13% below median its historical median of 2.33. Over the past decade, Ta-Yuan Cogeneration Co's Cyclically Adjusted PS Ratio has ranged from 1.86 to 4.64. According to the industry distribution chart, Ta-Yuan Cogeneration Co ranks #278 out of 440 companies in the Utilities - Regulated industry, placing it in the top 63.2%.
Is Ta-Yuan Cogeneration Co's Cyclically Adjusted PS Ratio too high?
Ta-Yuan Cogeneration Co's current Cyclically Adjusted PS Ratio of 2.02 is 13% below median its 10-year median of 2.33. Over the past 10 years, this metric has ranged from a low of 1.86 to a high of 4.64. The Utilities - Regulated industry median Cyclically Adjusted PS Ratio is 1.41. Ta-Yuan Cogeneration Co's value of 2.02 is 43.3% above this industry median. Based on the distribution chart, Ta-Yuan Cogeneration Co ranks #278 out of 440 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, Ta-Yuan Cogeneration Co has a GF Score™ of 76/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Ta-Yuan Cogeneration Co's Cyclically Adjusted PS Ratio compare to NEE and SO?
According to the Utilities - Regulated industry distribution chart, Ta-Yuan Cogeneration Co ranks #278 out of 440 companies for Cyclically Adjusted PS Ratio. This places Ta-Yuan Cogeneration Co in the lower half of its industry. The industry median Cyclically Adjusted PS Ratio is 1.41. Ta-Yuan Cogeneration Co's value of 2.02 is 43.3% above this benchmark. Historically, Ta-Yuan Cogeneration Co's own Cyclically Adjusted PS Ratio has ranged from 1.86 to 4.64 over the past decade. While the company's 10-year median is 2.33 vs. the industry median of 1.41, 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 PS Ratio for an Utilities - Regulated company?
The median Cyclically Adjusted PS Ratio among Utilities - Regulated companies is 1.41, based on 440 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PS Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PS 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 PS Ratio of 2.02 is 43.3% 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 PS Ratio mean?
A high Cyclically Adjusted PS Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue 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 PS Ratio is 1.41 — 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 PS Ratio is 2.02, which is 13% below median its own 10-year median of 2.33. 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$47.04, compared to a current price of NT$40.80 — trading 13.3% below its estimated fair value. The current Cyclically Adjusted PS Ratio is 2.02, which is 13% below median its 10-year median of 2.33 and 43.3% above the Utilities - Regulated industry median of 1.41. Ta-Yuan Cogeneration Co's overall GF Score™ is 76/100 with 9 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PS Ratio calculated?
Cyclically Adjusted PS Ratio is calculated from a company's financial statements. For Ta-Yuan Cogeneration Co (ROCO:8931), the current Cyclically Adjusted PS Ratio is 2.02 as of Aug. 13, 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$40.80 is trading 13.3% below its estimated GF Value™ of NT$47.04. GuruFocus considers Ta-Yuan Cogeneration Co to be Modestly Undervalued.

Key valuation signals for ROCO:8931:

  • Cyclically Adjusted PS Ratio: 2.02 (13% below median its 10-year median of 2.33)
  • GF Value™: NT$47.04 vs. price of NT$40.80 (13.3% below fair value)
  • GF Score™: 76/100 with 9 warning signs
  • Industry Position: 43.3% above the Utilities - Regulated median (#278 of 440)

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.
76GF Score

Get the complete analysis for ROCO:8931

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

NT$40.80
Price
NT$47.04
GF Value