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Rational AGRTLLF 92 Cyclically Adjusted PB Ratio is 10.41 as of Aug. 19, 2026, which is 42% below its 10-year median of 17.80. GuruFocus rates RTLLF with a GF Score™ of 92/100 and a GF Value™ of $902.29 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 2,176 Industrial Products companies, Rational AG ranks worse than 92.83% on this metric.
The historical rank and industry rank for Rational AG's Cyclically Adjusted PB Ratio or its related term are showing as below:
RTLLF'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 10.41 Med: 17.8 Max: 28.41
Current: 10.41
During the past years, Rational AG's highest Cyclically Adjusted PB Ratio was 28.41. The lowest was 10.41. And the median was 17.80.
RTLLF's Cyclically Adjusted PB Ratio is ranked worse than 92.83% of 2176
companies
in the Industrial Products industry
Industry Median: 2.16
vs RTLLF: 10.41
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.
Rational AG's adjusted book value per share data for the three months ended in Jun. 2026 was $85.693. 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 $69.01 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Rational AG (OTCPK:RTLLF) 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.
Rational AG Cyclically Adjusted PB Ratio Related Terms
Rational AG Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Rational AG'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.
RTLLF vs GEV, ETN, PH: Cyclically Adjusted PB Ratio Comparison
For the Specialty Industrial Machinery subindustry, Rational AG'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.
Rational AG Cyclically Adjusted PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Rational AG's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Rational AG's Cyclically Adjusted PB Ratio falls into.
Rational AG 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.
Rational AG's Cyclically Adjusted PB Ratio for today is calculated as
* 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 PB Ratio of 10.41 mean?
Rational AG (RTLLF) has a Cyclically Adjusted PB Ratio of 10.41 as of Aug. 19, 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 Rational AG and its competitors. This is 42% below median its historical median of 17.80. Over the past decade, Rational AG's Cyclically Adjusted PB Ratio has ranged from 10.41 to 28.41. According to the industry distribution chart, Rational AG ranks #2020 out of 2176 companies in the Industrial Products industry, placing it in the top 92.8%.
Is Rational AG's Cyclically Adjusted PB Ratio too high?
Rational AG's current Cyclically Adjusted PB Ratio of 10.41 is 42% below median its 10-year median of 17.80. Over the past 10 years, this metric has ranged from a low of 10.41 to a high of 28.41. The Industrial Products industry median Cyclically Adjusted PB Ratio is 2.16. Rational AG's value of 10.41 is 381.9% above this industry median. Based on the distribution chart, Rational AG ranks #2020 out of 2176 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Rational AG has a GF Score™ of 92/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Rational AG's Cyclically Adjusted PB Ratio compare to GEV and ETN?
According to the Industrial Products industry distribution chart, Rational AG ranks #2020 out of 2176 companies for Cyclically Adjusted PB Ratio. This places Rational AG in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.16. Rational AG's value of 10.41 is 381.9% above this benchmark. Historically, Rational AG's own Cyclically Adjusted PB Ratio has ranged from 10.41 to 28.41 over the past decade. While the company's 10-year median is 17.80 vs. the industry median of 2.16, Rational AG 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 Industrial Products company?
The median Cyclically Adjusted PB Ratio among Industrial Products companies is 2.16, based on 2,176 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. Rational AG's current Cyclically Adjusted PB Ratio of 10.41 is 381.9% 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 Rational AG and its competitors. For the Industrial Products industry, the median Cyclically Adjusted PB Ratio is 2.16 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Rational AG's current Cyclically Adjusted PB Ratio is 10.41, which is 42% below median its own 10-year median of 17.80. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rational AG stock overvalued right now?
Based on GuruFocus' analysis, Rational AG (RTLLF) is currently considered Modestly Undervalued. The stock's GF Value™ is $902.29, compared to a current price of $718.55 — trading 20.4% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 10.41, which is 42% below median its 10-year median of 17.80 and 381.9% above the Industrial Products industry median of 2.16. Rational AG's overall GF Score™ is 92/100 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 Rational AG (RTLLF), the current Cyclically Adjusted PB Ratio is 10.41 as of Aug. 19, 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 Rational AG (RTLLF) Overvalued in 2026?
Based on GuruFocus' analysis, Rational AG stock appears to be undervalued.
The current stock price of $718.55 is trading 20.4% below its estimated GF Value™ of $902.29.
GuruFocus considers Rational AG to be Modestly Undervalued.
Key valuation signals for RTLLF:
Cyclically Adjusted PB Ratio: 10.41 (42% below median its 10-year median of 17.80)
GF Value™: $902.29 vs. price of $718.55 (20.4% below fair value)
Industry Position: 381.9% above the Industrial Products median (#2020 of 2176)
No single metric tells the full story. See the RTLLF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Rational specializes in manufacturing automated multifunctional ovens for professional kitchens that replace conventional cooking appliances such as a stove, grill, and oven. Rational has produced over 1 million combi-steamers since its first combi-steamer in 1976, which are used to prepare 160 million food dishes daily. Approximately 72% of group revenue is generated from the sale of cooking appliances, mostly the iCombi Pro that was launched in May 2020 and its predecessor product. Rational has a presence in over 120 countries. The majority of revenue is earned in Europe, followed by North America and Asia.
92GF Score
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