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.
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.
Ruentex Development CoTPE:9945 -0.94%79 Cyclically Adjusted PS Ratio is 2.79 as of Jul. 23, 2026, which is 37% below its 10-year median of 4.40. GuruFocus rates TPE:9945 with a GF Score™ of 79/100 and a GF Value™ of NT$53.63 (Possible Value Trap). The stock has 4 warning signs investors should review. Among 1,358 Construction companies, Ruentex Development Co ranks worse than 85.79% on this metric.
The historical rank and industry rank for Ruentex Development Co's Cyclically Adjusted PS Ratio or its related term are showing as below:
TPE:9945'
s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 1.81 Med: 4.4 Max: 8.61
Current: 2.78
During the past years, Ruentex Development Co's highest Cyclically Adjusted PS Ratio was 8.61. The lowest was 1.81. And the median was 4.40.
TPE:9945's Cyclically Adjusted PS Ratio is ranked worse than 85.79% of 1358
companies
in the Construction industry
Industry Median: 0.7
vs TPE:9945: 2.78
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.
Ruentex Development Co's adjusted revenue per share data for the three months ended in Dec. 2025 was NT$5.188. 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$9.45 for the trailing ten years ended in Dec. 2025.
Shiller PE for Stocks: The True Measure of Stock Valuation
Ruentex Development Co (TPE:9945) 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.
Ruentex Development Co Cyclically Adjusted PS Ratio Related Terms
Ruentex Development Co Cyclically Adjusted PS Ratio Historical Data
* Premium members only.
The historical data trend for Ruentex Development 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.
Ruentex Development Co Cyclically Adjusted PS Ratio Chart
TPE:9945 vs PWR, FIX, EME: Cyclically Adjusted PS Ratio Comparison
For the Engineering & Construction subindustry, Ruentex Development 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.
Ruentex Development Co Cyclically Adjusted PS Ratio vs Construction Industry
For the Construction industry and Industrials sector, Ruentex Development Co's Cyclically Adjusted PS Ratio distribution charts can be found below:
* The bar in red indicates where Ruentex Development Co's Cyclically Adjusted PS Ratio falls into.
Ruentex Development 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.
* 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.
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 2.79 mean?
Ruentex Development Co (TPE:9945) has a Cyclically Adjusted PS Ratio of 2.79 as of Jul. 23, 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 Ruentex Development Co and its competitors. This is 37% below median its historical median of 4.40. Over the past decade, Ruentex Development Co's Cyclically Adjusted PS Ratio has ranged from 1.81 to 8.61. According to the industry distribution chart, Ruentex Development Co ranks #1165 out of 1358 companies in the Construction industry, placing it in the top 85.8%.
Is Ruentex Development Co's Cyclically Adjusted PS Ratio too high?
Ruentex Development Co's current Cyclically Adjusted PS Ratio of 2.79 is 37% below median its 10-year median of 4.40. Over the past 10 years, this metric has ranged from a low of 1.81 to a high of 8.61. The Construction industry median Cyclically Adjusted PS Ratio is 0.70. Ruentex Development Co's value of 2.79 is 298.6% above this industry median. Based on the distribution chart, Ruentex Development Co ranks #1165 out of 1358 companies in the Construction industry, which is in the bottom quartile relative to peers. Overall, Ruentex Development Co has a GF Score™ of 79/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Ruentex Development Co's Cyclically Adjusted PS Ratio compare to PWR and FIX?
According to the Construction industry distribution chart, Ruentex Development Co ranks #1165 out of 1358 companies for Cyclically Adjusted PS Ratio. This places Ruentex Development Co in the lower half of its industry. The industry median Cyclically Adjusted PS Ratio is 0.70. Ruentex Development Co's value of 2.79 is 298.6% above this benchmark. Historically, Ruentex Development Co's own Cyclically Adjusted PS Ratio has ranged from 1.81 to 8.61 over the past decade. While the company's 10-year median is 4.40 vs. the industry median of 0.70, Ruentex Development 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 a Construction company?
The median Cyclically Adjusted PS Ratio among Construction companies is 0.70, based on 1,358 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. Ruentex Development Co's current Cyclically Adjusted PS Ratio of 2.79 is 298.6% 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 Ruentex Development Co and its competitors. For the Construction industry, the median Cyclically Adjusted PS Ratio is 0.70 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ruentex Development Co's current Cyclically Adjusted PS Ratio is 2.79, which is 37% below median its own 10-year median of 4.40. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ruentex Development Co stock overvalued right now?
Based on GuruFocus' analysis, Ruentex Development Co (TPE:9945) is currently considered Possible Value Trap. The stock's GF Value™ is NT$53.63, compared to a current price of NT$26.40 — trading 50.8% below its estimated fair value. The current Cyclically Adjusted PS Ratio is 2.79, which is 37% below median its 10-year median of 4.40 and 298.6% above the Construction industry median of 0.70. Ruentex Development Co's overall GF Score™ is 79/100 with 4 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 Ruentex Development Co (TPE:9945), the current Cyclically Adjusted PS Ratio is 2.79 as of Jul. 23, 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 Ruentex Development Co (TPE:9945) Overvalued in 2026?
Based on GuruFocus' analysis, Ruentex Development Co stock appears to be undervalued.
The current stock price of NT$26.40 is trading 50.8% below its estimated GF Value™ of NT$53.63.
GuruFocus considers Ruentex Development Co to be Possible Value Trap.
Key valuation signals for TPE:9945:
Cyclically Adjusted PS Ratio: 2.79 (37% below median its 10-year median of 4.40)
GF Value™: NT$53.63 vs. price of NT$26.40 (50.8% below fair value)
Industry Position: 298.6% above the Construction median (#1165 of 1358)
No single metric tells the full story. See the TPE:9945 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Ruentex Development Co Ltd is a Taiwan-based company involved in the construction business. The company's reportable segments include Construction Business Department, Commercial Real Estate, Building Materials, and Other operating Departments. It generates maximum revenue from the Construction segment. Geographically, it derives a majority of its revenue from Taiwan.
79GF Score
Get the complete analysis for TPE:9945
Cyclically Adjusted PS Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
TPE:9945 has been successfully added to your 
