British American Tobacco (CHIX:BATSL) Shiller PE Ratio: 9.66 (As of Aug. 29, 2026) — 25% Above Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

CHIX:BATSL British American Tobacco PLC CHIX:BATSL
71 GF Score
Price £41.34
GF Value £31.53
Valuation Significantly Overvalued
! 2 Warning Signs
View Full Analysis

What is British American Tobacco Shiller PE Ratio?

British American Tobacco CHIX:BATSL -2.06% 71 Shiller PE Ratio is 9.66 as of Aug. 29, 2026, which is 25% above its 10-year median of 7.71. GuruFocus rates CHIX:BATSL with a GF Score™ of 71/100 and a GF Value™ of £31.53 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 26 Tobacco Products companies, British American Tobacco ranks better than 76.92% on this metric.

As of today (2026-08-29), British American Tobacco's current share price is £41.34. British American Tobacco's E10 for the fiscal year that ended in Dec25 was £4.28. British American Tobacco's Shiller PE Ratio for today is 9.66.

The historical rank and industry rank for British American Tobacco's Shiller PE Ratio or its related term are showing as below:

CHIX:BATSl' s Shiller PE Ratio Range Over the Past 10 Years
Min: 4.8   Med: 7.71   Max: 30.55
Current: 9.65

During the past 13 years, British American Tobacco's highest Shiller PE Ratio was 30.55. The lowest was 4.80. And the median was 7.71.

CHIX:BATSl's Shiller PE Ratio is ranked better than
76.92% of 26 companies
in the Tobacco Products industry
Industry Median: 14.93 vs CHIX:BATSl: 9.65

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.

British American Tobacco's adjusted earnings per share data of for the fiscal year that ended in Dec25 was £3.491. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is £4.28 for the trailing ten years ended in Dec25.

Shiller PE for Stocks: The True Measure of Stock Valuation


British American Tobacco  (CHIX:BATSl) 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.


British American Tobacco Shiller PE Ratio Related Terms


British American Tobacco Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for British American Tobacco'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.

British American Tobacco Shiller PE Ratio Chart

British American Tobacco Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shiller PE Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 6.31 6.88 5.66 7.01 9.84

British American Tobacco Semi-Annual Data
Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25 Jun26
Shiller PE Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 7.01 0.00 9.84 0.00

CHIX:BATSL vs PM, MO, TPB: Shiller PE Ratio Comparison

For the Tobacco subindustry, British American Tobacco'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.


British American Tobacco Shiller PE Ratio vs Tobacco Products Industry

For the Tobacco Products industry and Consumer Defensive sector, British American Tobacco's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where British American Tobacco's Shiller PE Ratio falls into.


CHIX:BATSL
71GF Score
British American Tobacco PLC CHIX:BATSL
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

British American Tobacco Shiller PE Ratio Calculation

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.

British American Tobacco's Shiller PE Ratio for today is calculated as

Shiller PE Ratio=Share Price/ E10
=41.34/4.28
=9.66

* 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.

British American Tobacco's E10 for the fiscal year that ended in Dec25 is calculated as:

For example, British American Tobacco's adjusted earnings per share data for the fiscal year that ended in Dec25 was:

Adj_EPS=Earnings per Share (Diluted)/CPI of Dec25 (Change)*Current CPI (Dec25)
=3.491/139.9000*139.9000
=3.491

Current CPI (Dec25) = 139.9000.

British American Tobacco Annual Data

Earnings per Share (Diluted) CPI Adj_EPS
201612 2.492 102.200 3.411
201712 18.276 105.000 24.351
201812 2.632 107.100 3.438
201912 2.490 108.500 3.211
202012 2.789 109.400 3.567
202112 2.956 114.700 3.605
202212 2.919 125.300 3.259
202312 -6.466 130.500 -6.932
202412 1.360 135.100 1.408
202512 3.491 139.900 3.491

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.

Frequently Asked Questions Learn more about Shiller PE Ratio →
What does a Shiller PE Ratio of 9.66 mean?
British American Tobacco (CHIX:BATSL) has a Shiller PE Ratio of 9.66 as of Aug. 29, 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 British American Tobacco and its competitors. This is 25% above median its historical median of 7.71. Over the past decade, British American Tobacco's Shiller PE Ratio has ranged from 4.80 to 30.55. According to the industry distribution chart, British American Tobacco ranks #6 out of 26 companies in the Tobacco Products industry, placing it in the top 23.1%.
Is British American Tobacco's Shiller PE Ratio too high?
British American Tobacco's current Shiller PE Ratio of 9.66 is 25% above median its 10-year median of 7.71. Over the past 10 years, this metric has ranged from a low of 4.80 to a high of 30.55. The Tobacco Products industry median Shiller PE Ratio is 14.93. British American Tobacco's value of 9.66 is 35.3% below this industry median. Based on the distribution chart, British American Tobacco ranks #6 out of 26 companies in the Tobacco Products industry, which is in the top quartile — a strong position relative to peers. Overall, British American Tobacco has a GF Score™ of 71/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does British American Tobacco's Shiller PE Ratio compare to PM and MO?
According to the Tobacco Products industry distribution chart, British American Tobacco ranks #6 out of 26 companies for Shiller PE Ratio. This places British American Tobacco in the top 23% of its industry — outperforming the majority of peers. The industry median Shiller PE Ratio is 14.93. British American Tobacco's value of 9.66 is 35.3% below this benchmark. Historically, British American Tobacco's own Shiller PE Ratio has ranged from 4.80 to 30.55 over the past decade. While the company's 10-year median is 7.71 vs. the industry median of 14.93, British American Tobacco 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 Tobacco Products company?
The median Shiller PE Ratio among Tobacco Products companies is 14.93, based on 26 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. British American Tobacco's current Shiller PE Ratio of 9.66 is 35.3% 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 British American Tobacco and its competitors. For the Tobacco Products industry, the median Shiller PE Ratio is 14.93 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. British American Tobacco's current Shiller PE Ratio is 9.66, which is 25% above median its own 10-year median of 7.71. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is British American Tobacco stock overvalued right now?
Based on GuruFocus' analysis, British American Tobacco (CHIX:BATSL) is currently considered Significantly Overvalued. The stock's GF Value™ is £31.53, compared to a current price of £41.34 — trading 31.1% above its estimated fair value. The current Shiller PE Ratio is 9.66, which is 25% above median its 10-year median of 7.71 and 35.3% below the Tobacco Products industry median of 14.93. British American Tobacco's overall GF Score™ is 71/100 with 2 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 British American Tobacco (CHIX:BATSL), the current Shiller PE Ratio is 9.66 as of Aug. 29, 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 British American Tobacco (CHIX:BATSL) Overvalued in 2026?

Based on GuruFocus' analysis, British American Tobacco stock appears to be overvalued. The current stock price of £41.34 is trading 31.1% above its estimated GF Value™ of £31.53. GuruFocus considers British American Tobacco to be Significantly Overvalued.

Key valuation signals for CHIX:BATSL:

  • Shiller PE Ratio: 9.66 (25% above median its 10-year median of 7.71)
  • GF Value™: £31.53 vs. price of £41.34 (31.1% above fair value)
  • GF Score™: 71/100 with 2 warning signs
  • Industry Position: 35.3% below the Tobacco Products median (#6 of 26)

No single metric tells the full story. See the CHIX:BATSL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


British American Tobacco Business Description

Address Globe House, 4 Temple Place, London, GBR, WC2R 2PG
The third-largest tobacco company by volume, British American Tobacco sold 465 billion cigarettes in 2025. Its leading brands are Dunhill, Kent, Pall Mall, Lucky Strike, and Rothmans in cigarettes. Its ownership of the Camel, Natural American Spirit, and Newport brands are limited to the US. In next-generation products, the company has the Vuse brand in vaping, Glo in heated tobacco, and Velo in modern oral tobacco. The company also owns a 22.9% stake in ITC limited, the largest Indian cigarette company.
71GF Score

Get the complete analysis for CHIX:BATSL

Shiller PE Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

£41.34
Price
£31.53
GF Value