BT GroupCHIX:BTL -0.23%64 FCF Margin % is 17.13% as of Mar. 2026, which is 155% above its 10-year median of 6.73. GuruFocus rates CHIX:BTL with a GF Score™ of 64/100 and a GF Value™ of £1.38 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 367 Telecommunication Services companies, BT Group ranks better than 53.41% on this metric.
FCF Margin % is calculated as Free Cash Flow divided by its Revenue. BT Group's Free Cash Flow for the
six
months ended in Mar. 2026 was £1,686 Mil. BT Group's Revenue for the
six
months ended in Mar. 2026 was £9,844 Mil. Therefore, BT Group's FCF Margin % for the quarter that ended in Mar. 2026 was 17.13%.
The historical rank and industry rank for BT Group's FCF Margin % or its related term are showing as below:
CHIX:BTl'
s FCF Margin % Range Over the Past 10 Years
Min: 2.47 Med: 6.73 Max: 12.59
Current: 9.47
During the past 13 years, the highest FCF Margin % of BT Group was 12.59%. The lowest was 2.47%. And the median was 6.73%.
CHIX:BTl's FCF Margin % is ranked better than 53.41% of 367
companies
in the Telecommunication Services industry
Industry Median: 8.25
vs CHIX:BTl: 9.47
BT Group FCF Margin % Related Terms
BT Group FCF Margin % Historical Data
* Premium members only.
The historical data trend for BT Group's FCF Margin % 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 FCF Margin %, along with its competitors' market caps and FCF Margin % 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 FCF Margin % vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, BT Group's FCF Margin % distribution charts can be found below:
* The bar in red indicates where BT Group's FCF Margin % falls into.
* 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 FCF Margin % of 17.13% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on BT Group and its competitors. This is 155% above median its historical median of 6.73. Over the past decade, BT Group's FCF Margin % has ranged from 2.47 to 12.59. According to the industry distribution chart, BT Group ranks #171 out of 367 companies in the Telecommunication Services industry, placing it in the top 46.6%.
Is BT Group's FCF Margin % too high?
BT Group's current FCF Margin % of 17.13% is 155% above median its 10-year median of 6.73. Over the past 10 years, this metric has ranged from a low of 2.47 to a high of 12.59. The Telecommunication Services industry median FCF Margin % is 8.25. BT Group's value of 17.13% is 107.6% above this industry median. Based on the distribution chart, BT Group ranks #171 out of 367 companies in the Telecommunication Services industry, which is above the industry midpoint. Overall, BT Group has a GF Score™ of 64/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does BT Group's FCF Margin % compare to TMUS and VZ?
According to the Telecommunication Services industry distribution chart, BT Group ranks #171 out of 367 companies for FCF Margin %. This puts BT Group in the upper half of its industry. The industry median FCF Margin % is 8.25. BT Group's value of 17.13% is 107.6% above this benchmark. Historically, BT Group's own FCF Margin % has ranged from 2.47 to 12.59 over the past decade. While the company's 10-year median is 6.73 vs. the industry median of 8.25, BT Group 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 FCF Margin % for a Telecommunication Services company?
The median FCF Margin % among Telecommunication Services companies is 8.25, based on 367 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. BT Group's current FCF Margin % of 17.13% is 107.6% 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 FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on BT Group and its competitors. For the Telecommunication Services industry, the median FCF Margin % is 8.25 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. BT Group's current FCF Margin % is 17.13%, which is 155% above median its own 10-year median of 6.73. 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 £1.97 — trading 42.8% above its estimated fair value. The current FCF Margin % is 17.13%, which is 155% above median its 10-year median of 6.73 and 107.6% above the Telecommunication Services industry median of 8.25. BT Group's overall GF Score™ is 64/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For BT Group (CHIX:BTL), the current FCF Margin % is 17.13% as of Mar. 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 £1.97 is trading 42.8% above its estimated GF Value™ of £1.38.
GuruFocus considers BT Group to be Significantly Overvalued.
Key valuation signals for CHIX:BTL:
FCF Margin %: 17.13% (155% above median its 10-year median of 6.73)
GF Value™: £1.38 vs. price of £1.97 (42.8% above fair value)
Industry Position: 107.6% above the Telecommunication Services median (#171 of 367)
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.
64GF Score
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