BT GroupCHIX:BTL +0.31%67 Market Cap is £19,215 Mil as of Jun. 27, 2026. GuruFocus rates CHIX:BTL with a GF Score™ of 67/100 and a GF Value™ of £1.38 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 379 Telecommunication Services companies, BT Group ranks better than 93.4% on this metric.
Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). BT Group's share price for the quarter that ended in Mar. 2026 was £2.114. BT Group's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 9,854 Mil. Therefore, BT Group's market cap for the quarter that ended in Mar. 2026 was £20,831 Mil.
BT Group's quarterly market cap
increased
from Mar. 2025 (£16,084 Mil) to Sep. 2025 (£18,653 Mil) and
increased
from Sep. 2025 (£18,653 Mil) to Mar. 2026 (£20,831 Mil).
BT Group's annual market cap
increased
from Mar. 2024 (£10,723 Mil) to Mar. 2025 (£16,084 Mil) and
increased
from Mar. 2025 (£16,084 Mil) to Mar. 2026 (£20,831 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. BT Group's Enterprise Value for Today is £40,217 Mil.
BT Group (CHIX:BTl) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
BT Group Market Cap Related Terms
BT Group Market Cap Historical Data
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The historical data trend for BT Group's Market Cap 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.
For the Telecom Services subindustry, BT Group's Market Cap, along with its competitors' market caps and Market Cap 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.
BT Group Market Cap vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, BT Group's Market Cap distribution charts can be found below:
* The bar in red indicates where BT Group's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
BT Group's Market Cap for the fiscal year that ended in Mar. 2026 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.
BT Group (CHIX:BTL) has a Market Cap of £19,215 Mil as of Jun. 27, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on BT Group and its competitors. According to the industry distribution chart, BT Group ranks #25 out of 379 companies in the Telecommunication Services industry, placing it in the top 6.6%.
Is BT Group's Market Cap too high?
BT Group's current Market Cap is £19,215 Mil. Based on the distribution chart, BT Group ranks #25 out of 379 companies in the Telecommunication Services industry, which is in the top quartile — a strong position relative to peers. Overall, BT Group has a GF Score™ of 67/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does BT Group's Market Cap compare to TMUS and VZ?
According to the Telecommunication Services industry distribution chart, BT Group ranks #25 out of 379 companies for Market Cap. This places BT Group in the top 7% of its industry — outperforming the majority of peers. The industry median Market Cap is 481.64. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for a Telecommunication Services company?
The median Market Cap among Telecommunication Services companies is 481.64, based on 379 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on BT Group and its competitors. For the Telecommunication Services industry, the median Market Cap is 481.64 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. BT Group's current Market Cap is £19,215 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is BT Group stock overvalued right now?
Based on GuruFocus' analysis, BT Group (CHIX:BTL) is currently considered Significantly Overvalued. The stock's GF Value™ is £1.38, compared to a current price of £1.93 — trading 40.1% above its estimated fair value. The current Market Cap is £19,215 Mil. BT Group's overall GF Score™ is 67/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For BT Group (CHIX:BTL), the current Market Cap is £19,215 Mil as of Jun. 27, 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 BT Group (CHIX:BTL) Overvalued in 2026?
Based on GuruFocus' analysis, BT Group stock appears to be overvalued.
The current stock price of £1.93 is trading 40.1% above its estimated GF Value™ of £1.38.
GuruFocus considers BT Group to be Significantly Overvalued.
Key valuation signals for CHIX:BTL:
Market Cap: £19,215 Mil
GF Value™: £1.38 vs. price of £1.93 (40.1% above fair value)
No single metric tells the full story. See the CHIX:BTL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
BT Group is the incumbent telecommunications operator in the UK. BT is the owner of Openreach, the largest fixed-line network in the country. Openreach operates as a separate entity due to regulatory requirements, but is still 100% owned by BT. Openreach has accelerated its fiber investments and expects to have 90% of the UK covered with FTTH by 2026. In the consumer division, BT has approximately 30% market share in broadband and mobile services. The enterprise segment serves large corporations, while the global services division provides communications consultancy services.
67GF Score
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