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As of today (2026-08-07), iRobot's current share price is €0.1545. iRobot's Cyclically Adjusted Book per Share for the quarter that ended in Sep. 2025 was €17.09. iRobot's Cyclically Adjusted PB Ratio for today is 0.01.
The historical rank and industry rank for iRobot's Cyclically Adjusted PB Ratio or its related term are showing as below:
During the past years, iRobot's highest Cyclically Adjusted PB Ratio was 10.83. The lowest was 0.01. And the median was 4.38.
WBO:IRBT's Cyclically Adjusted PB Ratio is not ranked *
in the Furnishings, Fixtures & Appliances industry.
Industry Median: 1.21 * Ranked among companies with meaningful Cyclically Adjusted PB Ratio only.
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.
iRobot's adjusted book value per share data for the three months ended in Sep. 2025 was €-0.720. 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 €17.09 for the trailing ten years ended in Sep. 2025.
Shiller PE for Stocks: The True Measure of Stock Valuation
iRobot (WBO:IRBT) 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.
iRobot Cyclically Adjusted PB Ratio Related Terms
iRobot Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for iRobot'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.
WBO:IRBT vs LUVU, LBRA, NCL: Cyclically Adjusted PB Ratio Comparison
For the Furnishings, Fixtures & Appliances subindustry, iRobot'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.
iRobot Cyclically Adjusted PB Ratio vs Furnishings, Fixtures & Appliances Industry
For the Furnishings, Fixtures & Appliances industry and Consumer Cyclical sector, iRobot's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where iRobot's Cyclically Adjusted PB Ratio falls into.
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.
iRobot'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 0.01 mean?
iRobot (WBO:IRBT) has a Cyclically Adjusted PB Ratio of 0.01 as of Aug. 07, 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 iRobot and its competitors. This is 100% below median its historical median of 4.38. Over the past decade, iRobot's Cyclically Adjusted PB Ratio has ranged from 0.01 to 10.83.
Is iRobot's Cyclically Adjusted PB Ratio too high?
iRobot's current Cyclically Adjusted PB Ratio of 0.01 is 100% below median its 10-year median of 4.38. Over the past 10 years, this metric has ranged from a low of 0.01 to a high of 10.83. The Furnishings, Fixtures & Appliances industry median Cyclically Adjusted PB Ratio is 1.21. iRobot's value of 0.01 is 99.2% below this industry median. Overall, iRobot has a GF Score™ of 23/100, reflecting its overall financial health beyond just this single metric.
How does iRobot's Cyclically Adjusted PB Ratio compare to LUVU and LBRA?
iRobot's Cyclically Adjusted PB Ratio of 0.01 can be compared against companies in the Furnishings, Fixtures & Appliances industry. The industry median Cyclically Adjusted PB Ratio is 1.21. iRobot's value of 0.01 is 99.2% below this benchmark. Historically, iRobot's own Cyclically Adjusted PB Ratio has ranged from 0.01 to 10.83 over the past decade. While the company's 10-year median is 4.38 vs. the industry median of 1.21, iRobot has consistently been below 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 a Furnishings, Fixtures & Appliances company?
The median Cyclically Adjusted PB Ratio among Furnishings, Fixtures & Appliances companies is 1.21, based on 334 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. iRobot's current Cyclically Adjusted PB Ratio of 0.01 is 99.2% below 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 iRobot and its competitors. For the Furnishings, Fixtures & Appliances industry, the median Cyclically Adjusted PB Ratio is 1.21 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. iRobot's current Cyclically Adjusted PB Ratio is 0.01, which is 100% below median its own 10-year median of 4.38. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is iRobot stock overvalued right now?
iRobot (WBO:IRBT) has a current Cyclically Adjusted PB Ratio of 0.01. The stock's GF Value™ is €16.17, compared to a current price of €0.15 — trading 99% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.01, which is 100% below median its 10-year median of 4.38 and 99.2% below the Furnishings, Fixtures & Appliances industry median of 1.21. iRobot's overall GF Score™ is 23/100 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 PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For iRobot (WBO:IRBT), the current Cyclically Adjusted PB Ratio is 0.01 as of Aug. 07, 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 iRobot (WBO:IRBT) Overvalued in 2026?
Based on GuruFocus' analysis, iRobot stock appears to be undervalued.
The current stock price of €0.15 is trading 99% below its estimated GF Value™ of €16.17.
Key valuation signals for WBO:IRBT:
Cyclically Adjusted PB Ratio: 0.01 (100% below median its 10-year median of 4.38)
GF Value™: €16.17 vs. price of €0.15 (99% below fair value)
Industry Position: 99.2% below the Furnishings, Fixtures & Appliances median
No single metric tells the full story. See the WBO:IRBT stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
iRobot Corp is a United state based consumer robot company. It designs and builds robots that assist consumers with the solutions for the activities to be carried out both inside and outside of the home. The company's consumer robot comprises a portfolio of solutions which includes cleaning, mapping and navigation, human-robot interaction, and physical solutions. The company operates in the business segment of Consumer robots. The consumer robot products are provided to the consumers by retail businesses and online stores. The company derives its revenue from the product sales. It sells the products across the United States and around the world.
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