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Rentokil InitialRTO +1.12%85 Shiller PE Ratio is 22.78 as of Aug. 24, 2026, which is 46% below its 10-year median of 42.35. GuruFocus rates RTO with a GF Score™ of 85/100 and a GF Value™ of $29.71 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 542 Business Services companies, Rentokil Initial ranks worse than 56.27% on this metric.
As of today (2026-08-24), Rentokil Initial's current share price is $23.915. Rentokil Initial's E10 for the fiscal year that ended in Dec25 was $1.05. Rentokil Initial's Shiller PE Ratio for today is 22.78.
The historical rank and industry rank for Rentokil Initial's Shiller PE Ratio or its related term are showing as below:
RTO'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 21.51 Med: 42.35 Max: 70.69
Current: 21.74
During the past 13 years, Rentokil Initial's highest Shiller PE Ratio was 70.69. The lowest was 21.51. And the median was 42.35.
RTO's Shiller PE Ratio is ranked worse than 56.27% of 542
companies
in the Business Services industry
Industry Median: 19.135
vs RTO: 21.74
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
Rentokil Initial's adjusted earnings per share data of for the fiscal year that ended in Dec25 was $0.927. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $1.05 for the trailing ten years ended in Dec25.
Shiller PE for Stocks: The True Measure of Stock Valuation
Rentokil Initial (NYSE:RTO) Shiller PE Ratio Explanation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
Rentokil Initial Shiller PE Ratio Related Terms
Rentokil Initial Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Rentokil Initial's Shiller PE 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.
RTO vs CTAS, CPRT, GPN: Shiller PE Ratio Comparison
For the Specialty Business Services subindustry, Rentokil Initial's Shiller PE Ratio, along with its competitors' market caps and Shiller PE 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.
Rentokil Initial Shiller PE Ratio vs Business Services Industry
For the Business Services industry and Industrials sector, Rentokil Initial's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Rentokil Initial's Shiller PE Ratio falls into.
For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
* 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.
Rentokil Initial's E10 for the fiscal year that ended in Dec25 is calculated as:
For example, Rentokil Initial's adjusted earnings per share data for the fiscal year that ended in Dec25 was:
Add all the adjusted EPS together and divide 10 will get our E10.
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.
Rentokil Initial (RTO) has a Shiller PE Ratio of 22.78 as of Aug. 24, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Rentokil Initial and its competitors. This is 46% below median its historical median of 42.35. Over the past decade, Rentokil Initial's Shiller PE Ratio has ranged from 21.51 to 70.69. According to the industry distribution chart, Rentokil Initial ranks #305 out of 542 companies in the Business Services industry, placing it in the top 56.3%.
Is Rentokil Initial's Shiller PE Ratio too high?
Rentokil Initial's current Shiller PE Ratio of 22.78 is 46% below median its 10-year median of 42.35. Over the past 10 years, this metric has ranged from a low of 21.51 to a high of 70.69. The Business Services industry median Shiller PE Ratio is 19.14. Rentokil Initial's value of 22.78 is 19% above this industry median. Based on the distribution chart, Rentokil Initial ranks #305 out of 542 companies in the Business Services industry, which is below the industry midpoint. Overall, Rentokil Initial has a GF Score™ of 85/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Rentokil Initial's Shiller PE Ratio compare to CTAS and CPRT?
According to the Business Services industry distribution chart, Rentokil Initial ranks #305 out of 542 companies for Shiller PE Ratio. This places Rentokil Initial in the lower half of its industry. The industry median Shiller PE Ratio is 19.14. Rentokil Initial's value of 22.78 is 19% above this benchmark. Historically, Rentokil Initial's own Shiller PE Ratio has ranged from 21.51 to 70.69 over the past decade. While the company's 10-year median is 42.35 vs. the industry median of 19.14, Rentokil Initial 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 Shiller PE Ratio for a Business Services company?
The median Shiller PE Ratio among Business Services companies is 19.14, based on 542 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Rentokil Initial's current Shiller PE Ratio of 22.78 is 19% 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 Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Rentokil Initial and its competitors. For the Business Services industry, the median Shiller PE Ratio is 19.14 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Rentokil Initial's current Shiller PE Ratio is 22.78, which is 46% below median its own 10-year median of 42.35. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rentokil Initial stock overvalued right now?
Based on GuruFocus' analysis, Rentokil Initial (RTO) is currently considered Modestly Undervalued. The stock's GF Value™ is $29.71, compared to a current price of $23.92 — trading 19.5% below its estimated fair value. The current Shiller PE Ratio is 22.78, which is 46% below median its 10-year median of 42.35 and 19% above the Business Services industry median of 19.14. Rentokil Initial's overall GF Score™ is 85/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For Rentokil Initial (RTO), the current Shiller PE Ratio is 22.78 as of Aug. 24, 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 Rentokil Initial (RTO) Overvalued in 2026?
Based on GuruFocus' analysis, Rentokil Initial stock appears to be undervalued.
The current stock price of $23.92 is trading 19.5% below its estimated GF Value™ of $29.71.
GuruFocus considers Rentokil Initial to be Modestly Undervalued.
Key valuation signals for RTO:
Shiller PE Ratio: 22.78 (46% below median its 10-year median of 42.35)
GF Value™: $29.71 vs. price of $23.92 (19.5% below fair value)
Industry Position: 19% above the Business Services median (#305 of 542)
No single metric tells the full story. See the RTO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Rentokil Initial is the largest global provider of route-based pest control and commercial hygiene services, operating in over 90 countries, with its largest operations in the United States following the acquisition of Terminix. The group also offers a range of specialist route-based services, including office and commercial space plant care, property care, and workwear rentals. The group serves a diverse client base of global food producers, hotel chains, industrial goods companies, restaurants, and individual residential customers.
85GF Score
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