Profitability ratios measure the company’s ability to generate profitable sales from its resources (assets).

Comcast Corp., profitability ratios

Ratio	Description	The company
Gross profit margin	Gross profit margin indicates the percentage of revenue available to cover operating and other expenditures.	Comcast Corp.’s gross profit margin improved from 2016 to 2017 but then deteriorated significantly from 2017 to 2018.
Operating profit margin	A profitability ratio calculated as operating income divided by revenue.	Comcast Corp.’s operating profit margin improved from 2016 to 2017 but then deteriorated significantly from 2017 to 2018.
Net profit margin	An indicator of profitability, calculated as net income divided by revenue.	Comcast Corp.’s net profit margin improved from 2016 to 2017 but then slightly deteriorated from 2017 to 2018 not reaching 2016 level.

Ratio	Description	The company
ROE	A profitability ratio calculated as net income divided by shareholders’ equity.	Comcast Corp.’s ROE improved from 2016 to 2017 but then slightly deteriorated from 2017 to 2018 not reaching 2016 level.
ROA	A profitability ratio calculated as net income divided by total assets.	Comcast Corp.’s ROA improved from 2016 to 2017 but then deteriorated significantly from 2017 to 2018.

Comcast Corp., gross profit margin calculation, comparison to benchmarks

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data (USD $ in millions)
	Gross profit
	Revenue
	Ratio
	Gross profit margin¹
	Benchmarks
	Gross Profit Margin, Competitors
	Charter Communications Inc.
	Twenty-First Century Fox Inc.
	Walt Disney Co.

2018 Calculations

¹ Gross profit margin = 100 × Gross profit ÷ Revenue
= 100 × hidden ÷ hidden = hidden

Ratio	Description	The company
Gross profit margin	Gross profit margin indicates the percentage of revenue available to cover operating and other expenditures.	Comcast Corp.’s gross profit margin improved from 2016 to 2017 but then deteriorated significantly from 2017 to 2018.

Comcast Corp., operating profit margin calculation, comparison to benchmarks

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data (USD $ in millions)
	Operating income
	Revenue
	Ratio
	Operating profit margin¹
	Benchmarks
	Operating Profit Margin, Competitors
	Charter Communications Inc.
	Twenty-First Century Fox Inc.
	Walt Disney Co.
	Operating Profit Margin, Sector
	Media
	Operating Profit Margin, Industry
	Consumer Services

2018 Calculations

¹ Operating profit margin = 100 × Operating income ÷ Revenue
= 100 × hidden ÷ hidden = hidden

Ratio	Description	The company
Operating profit margin	A profitability ratio calculated as operating income divided by revenue.	Comcast Corp.’s operating profit margin improved from 2016 to 2017 but then deteriorated significantly from 2017 to 2018.

Comcast Corp., net profit margin calculation, comparison to benchmarks

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data (USD $ in millions)
	Net income attributable to Comcast Corporation
	Revenue
	Ratio
	Net profit margin¹
	Benchmarks
	Net Profit Margin, Competitors
	Charter Communications Inc.
	Twenty-First Century Fox Inc.
	Walt Disney Co.
	Net Profit Margin, Sector
	Media
	Net Profit Margin, Industry
	Consumer Services

2018 Calculations

¹ Net profit margin = 100 × Net income attributable to Comcast Corporation ÷ Revenue
= 100 × hidden ÷ hidden = hidden

Ratio	Description	The company
Net profit margin	An indicator of profitability, calculated as net income divided by revenue.	Comcast Corp.’s net profit margin improved from 2016 to 2017 but then slightly deteriorated from 2017 to 2018 not reaching 2016 level.

Comcast Corp., ROE calculation, comparison to benchmarks

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data (USD $ in millions)
	Net income attributable to Comcast Corporation
	Total Comcast Corporation shareholders’ equity
	Ratio
	ROE¹
	Benchmarks
	ROE, Competitors
	Charter Communications Inc.
	Twenty-First Century Fox Inc.
	Walt Disney Co.
	ROE, Sector
	Media
	ROE, Industry
	Consumer Services

2018 Calculations

¹ ROE = 100 × Net income attributable to Comcast Corporation ÷ Total Comcast Corporation shareholders’ equity
= 100 × hidden ÷ hidden = hidden

Ratio	Description	The company
ROE	A profitability ratio calculated as net income divided by shareholders’ equity.	Comcast Corp.’s ROE improved from 2016 to 2017 but then slightly deteriorated from 2017 to 2018 not reaching 2016 level.

Comcast Corp., ROA calculation, comparison to benchmarks

		Dec 31, 2018	Dec 31, 2017	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014
	Selected Financial Data (USD $ in millions)
	Net income attributable to Comcast Corporation
	Total assets
	Ratio
	ROA¹
	Benchmarks
	ROA, Competitors
	Charter Communications Inc.
	Twenty-First Century Fox Inc.
	Walt Disney Co.
	ROA, Sector
	Media
	ROA, Industry
	Consumer Services

2018 Calculations

¹ ROA = 100 × Net income attributable to Comcast Corporation ÷ Total assets
= 100 × hidden ÷ hidden = hidden

Ratio	Description	The company
ROA	A profitability ratio calculated as net income divided by total assets.	Comcast Corp.’s ROA improved from 2016 to 2017 but then deteriorated significantly from 2017 to 2018.

	Comcast Corp.	Other companies (not purchased previously)
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Long-term Trends
Analysis
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Financial Statements
Common-Size Financial Statements
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Discounted Cash Flow (DCF) Valuation
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Comcast Corp. (CMCSA)

Profitability Analysis