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BB Biotech AGBBAGF -29.53%15 Shiller PE Ratio is 22.57 as of Sep. 01, 2026, which is 605% above its 10-year median of 3.20. GuruFocus rates BBAGF with a GF Score™ of 15/100. The stock has 5 warning signs investors should review. Among 171 Biotechnology companies, BB Biotech AG ranks better than 62.57% on this metric.
As of today (2026-09-01), BB Biotech AG's current share price is $76.05789. BB Biotech AG's E10 for the quarter that ended in Jun. 2026 was $3.37. BB Biotech AG's Shiller PE Ratio for today is 22.57.
The historical rank and industry rank for BB Biotech AG's Shiller PE Ratio or its related term are showing as below:
BBAGF'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 2.07 Med: 3.2 Max: 25.93
Current: 25.9
During the past years, BB Biotech AG's highest Shiller PE Ratio was 25.93. The lowest was 2.07. And the median was 3.20.
BBAGF's Shiller PE Ratio is ranked better than 62.57% of 171
companies
in the Biotechnology industry
Industry Median: 33.57
vs BBAGF: 25.90
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.
BB Biotech AG's adjusted earnings per share data for the three months ended in Jun. 2026 was $10.234. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $3.37 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
BB Biotech AG (OTCPK:BBAGF) 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.
BB Biotech AG Shiller PE Ratio Related Terms
BB Biotech AG Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for BB Biotech AG'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.
BBAGF vs VRTX, REGN, MRNA: Shiller PE Ratio Comparison
For the Biotechnology subindustry, BB Biotech AG'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.
BB Biotech AG Shiller PE Ratio vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, BB Biotech AG's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where BB Biotech AG'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.
BB Biotech AG's Shiller PE 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.
BB Biotech AG's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, BB Biotech AG's adjusted earnings per share data for the three months ended in Jun. 2026 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.
BB Biotech AG (BBAGF) has a Shiller PE Ratio of 22.57 as of Sep. 01, 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 BB Biotech AG and its competitors. This is 605% above median its historical median of 3.20. Over the past decade, BB Biotech AG's Shiller PE Ratio has ranged from 2.07 to 25.93. According to the industry distribution chart, BB Biotech AG ranks #64 out of 171 companies in the Biotechnology industry, placing it in the top 37.4%.
Is BB Biotech AG's Shiller PE Ratio too high?
BB Biotech AG's current Shiller PE Ratio of 22.57 is 605% above median its 10-year median of 3.20. Over the past 10 years, this metric has ranged from a low of 2.07 to a high of 25.93. The Biotechnology industry median Shiller PE Ratio is 33.57. BB Biotech AG's value of 22.57 is 32.8% below this industry median. Based on the distribution chart, BB Biotech AG ranks #64 out of 171 companies in the Biotechnology industry, which is above the industry midpoint. Overall, BB Biotech AG has a GF Score™ of 15/100, reflecting its overall financial health beyond just this single metric.
How does BB Biotech AG's Shiller PE Ratio compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, BB Biotech AG ranks #64 out of 171 companies for Shiller PE Ratio. This puts BB Biotech AG in the upper half of its industry. The industry median Shiller PE Ratio is 33.57. BB Biotech AG's value of 22.57 is 32.8% below this benchmark. Historically, BB Biotech AG's own Shiller PE Ratio has ranged from 2.07 to 25.93 over the past decade. While the company's 10-year median is 3.20 vs. the industry median of 33.57, BB Biotech AG 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 Shiller PE Ratio for a Biotechnology company?
The median Shiller PE Ratio among Biotechnology companies is 33.57, based on 171 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. BB Biotech AG's current Shiller PE Ratio of 22.57 is 32.8% 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 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 BB Biotech AG and its competitors. For the Biotechnology industry, the median Shiller PE Ratio is 33.57 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. BB Biotech AG's current Shiller PE Ratio is 22.57, which is 605% above median its own 10-year median of 3.20. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is BB Biotech AG stock overvalued right now?
BB Biotech AG (BBAGF) has a current Shiller PE Ratio of 22.57. The current Shiller PE Ratio is 22.57, which is 605% above median its 10-year median of 3.20 and 32.8% below the Biotechnology industry median of 33.57. BB Biotech AG's overall GF Score™ is 15/100 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 BB Biotech AG (BBAGF), the current Shiller PE Ratio is 22.57 as of Sep. 01, 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.
BB Biotech AG is a part of the healthcare sector in Switzerland. Its primary activity includes making investments, especially in the biotechnology market, and is one of the investors in the field of biotechnology. The focus of the investments is on those listed companies that focus on the development and marketing of novel drugs with a clear value for the healthcare system. Geographically company operates in the USA, Netherlands, Singapore, Great Britain, Canada, Switzerland, Curacao, and British Virgin Island.
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