Comcast Corp. (CMCSA)

• Annual Data
• Quarterly Data

• Annual Data
• Quarterly Data

Comcast Corp., decomposition of ROE (quarterly data)

	ROE	=	ROA	×	Financial Leverage
Sep 30, 2019		=		×
Jun 30, 2019		=		×
Mar 31, 2019		=		×
Dec 31, 2018		=		×
Sep 30, 2018		=		×
Jun 30, 2018		=		×
Mar 31, 2018		=		×
Dec 31, 2017		=		×
Sep 30, 2017		=		×
Jun 30, 2017		=		×
Mar 31, 2017		=		×
Dec 31, 2016		=		×
Sep 30, 2016		=		×
Jun 30, 2016		=		×
Mar 31, 2016		=		×
Dec 31, 2015		=		×
Sep 30, 2015		=		×
Jun 30, 2015		=		×
Mar 31, 2015		=		×
Dec 31, 2014		=		×
Sep 30, 2014		=		×
Jun 30, 2014		=		×
Mar 31, 2014		=		×

Based on: 10-Q (filing date: 2019-10-24), 10-Q (filing date: 2019-07-25), 10-Q (filing date: 2019-04-25), 10-K (filing date: 2019-01-31), 10-Q (filing date: 2018-10-25), 10-Q (filing date: 2018-07-26), 10-Q (filing date: 2018-04-25), 10-K (filing date: 2018-01-31), 10-Q (filing date: 2017-10-26), 10-Q (filing date: 2017-07-27), 10-Q (filing date: 2017-04-27), 10-K (filing date: 2017-02-03), 10-Q (filing date: 2016-10-26), 10-Q (filing date: 2016-07-27), 10-Q (filing date: 2016-04-27), 10-K (filing date: 2016-02-05), 10-Q (filing date: 2015-10-27), 10-Q (filing date: 2015-07-23), 10-Q (filing date: 2015-05-04), 10-K (filing date: 2015-02-27), 10-Q (filing date: 2014-10-23), 10-Q (filing date: 2014-07-24), 10-Q (filing date: 2014-04-22).

The primary reason for the increase in return on equity ratio (ROE) over Q3 2019 is the increase in profitability measured by return on assets ratio (ROA).

• Annual Data
• Quarterly Data

Comcast Corp., decomposition of ROE (quarterly data)

	ROE	=	Net Profit Margin	×	Asset Turnover	×	Financial Leverage
Sep 30, 2019		=		×		×
Jun 30, 2019		=		×		×
Mar 31, 2019		=		×		×
Dec 31, 2018		=		×		×
Sep 30, 2018		=		×		×
Jun 30, 2018		=		×		×
Mar 31, 2018		=		×		×
Dec 31, 2017		=		×		×
Sep 30, 2017		=		×		×
Jun 30, 2017		=		×		×
Mar 31, 2017		=		×		×
Dec 31, 2016		=		×		×
Sep 30, 2016		=		×		×
Jun 30, 2016		=		×		×
Mar 31, 2016		=		×		×
Dec 31, 2015		=		×		×
Sep 30, 2015		=		×		×
Jun 30, 2015		=		×		×
Mar 31, 2015		=		×		×
Dec 31, 2014		=		×		×
Sep 30, 2014		=		×		×
Jun 30, 2014		=		×		×
Mar 31, 2014		=		×		×

Based on: 10-Q (filing date: 2019-10-24), 10-Q (filing date: 2019-07-25), 10-Q (filing date: 2019-04-25), 10-K (filing date: 2019-01-31), 10-Q (filing date: 2018-10-25), 10-Q (filing date: 2018-07-26), 10-Q (filing date: 2018-04-25), 10-K (filing date: 2018-01-31), 10-Q (filing date: 2017-10-26), 10-Q (filing date: 2017-07-27), 10-Q (filing date: 2017-04-27), 10-K (filing date: 2017-02-03), 10-Q (filing date: 2016-10-26), 10-Q (filing date: 2016-07-27), 10-Q (filing date: 2016-04-27), 10-K (filing date: 2016-02-05), 10-Q (filing date: 2015-10-27), 10-Q (filing date: 2015-07-23), 10-Q (filing date: 2015-05-04), 10-K (filing date: 2015-02-27), 10-Q (filing date: 2014-10-23), 10-Q (filing date: 2014-07-24), 10-Q (filing date: 2014-04-22).

The primary reason for the increase in return on equity ratio (ROE) over Q3 2019 is the increase in efficiency measured by asset turnover ratio.

• Annual Data
• Quarterly Data

Comcast Corp., decomposition of ROE (quarterly data)

	ROE	=	Tax Burden	×	Interest Burden	×	EBIT Margin	×	Asset Turnover	×	Financial Leverage
Sep 30, 2019		=		×		×		×		×
Jun 30, 2019		=		×		×		×		×
Mar 31, 2019		=		×		×		×		×
Dec 31, 2018		=		×		×		×		×
Sep 30, 2018		=		×		×		×		×
Jun 30, 2018		=		×		×		×		×
Mar 31, 2018		=		×		×		×		×
Dec 31, 2017		=		×		×		×		×
Sep 30, 2017		=		×		×		×		×
Jun 30, 2017		=		×		×		×		×
Mar 31, 2017		=		×		×		×		×
Dec 31, 2016		=		×		×		×		×
Sep 30, 2016		=		×		×		×		×
Jun 30, 2016		=		×		×		×		×
Mar 31, 2016		=		×		×		×		×
Dec 31, 2015		=		×		×		×		×
Sep 30, 2015		=		×		×		×		×
Jun 30, 2015		=		×		×		×		×
Mar 31, 2015		=		×		×		×		×
Dec 31, 2014		=		×		×		×		×
Sep 30, 2014		=		×		×		×		×
Jun 30, 2014		=		×		×		×		×
Mar 31, 2014		=		×		×		×		×

Based on: 10-Q (filing date: 2019-10-24), 10-Q (filing date: 2019-07-25), 10-Q (filing date: 2019-04-25), 10-K (filing date: 2019-01-31), 10-Q (filing date: 2018-10-25), 10-Q (filing date: 2018-07-26), 10-Q (filing date: 2018-04-25), 10-K (filing date: 2018-01-31), 10-Q (filing date: 2017-10-26), 10-Q (filing date: 2017-07-27), 10-Q (filing date: 2017-04-27), 10-K (filing date: 2017-02-03), 10-Q (filing date: 2016-10-26), 10-Q (filing date: 2016-07-27), 10-Q (filing date: 2016-04-27), 10-K (filing date: 2016-02-05), 10-Q (filing date: 2015-10-27), 10-Q (filing date: 2015-07-23), 10-Q (filing date: 2015-05-04), 10-K (filing date: 2015-02-27), 10-Q (filing date: 2014-10-23), 10-Q (filing date: 2014-07-24), 10-Q (filing date: 2014-04-22).

The primary reason for the increase in return on equity ratio (ROE) over Q3 2019 is the increase in efficiency measured by asset turnover ratio.

• Annual Data
• Quarterly Data

Comcast Corp., decomposition of ROA (quarterly data)

	ROA	=	Net Profit Margin	×	Asset Turnover
Sep 30, 2019		=		×
Jun 30, 2019		=		×
Mar 31, 2019		=		×
Dec 31, 2018		=		×
Sep 30, 2018		=		×
Jun 30, 2018		=		×
Mar 31, 2018		=		×
Dec 31, 2017		=		×
Sep 30, 2017		=		×
Jun 30, 2017		=		×
Mar 31, 2017		=		×
Dec 31, 2016		=		×
Sep 30, 2016		=		×
Jun 30, 2016		=		×
Mar 31, 2016		=		×
Dec 31, 2015		=		×
Sep 30, 2015		=		×
Jun 30, 2015		=		×
Mar 31, 2015		=		×
Dec 31, 2014		=		×
Sep 30, 2014		=		×
Jun 30, 2014		=		×
Mar 31, 2014		=		×

Based on: 10-Q (filing date: 2019-10-24), 10-Q (filing date: 2019-07-25), 10-Q (filing date: 2019-04-25), 10-K (filing date: 2019-01-31), 10-Q (filing date: 2018-10-25), 10-Q (filing date: 2018-07-26), 10-Q (filing date: 2018-04-25), 10-K (filing date: 2018-01-31), 10-Q (filing date: 2017-10-26), 10-Q (filing date: 2017-07-27), 10-Q (filing date: 2017-04-27), 10-K (filing date: 2017-02-03), 10-Q (filing date: 2016-10-26), 10-Q (filing date: 2016-07-27), 10-Q (filing date: 2016-04-27), 10-K (filing date: 2016-02-05), 10-Q (filing date: 2015-10-27), 10-Q (filing date: 2015-07-23), 10-Q (filing date: 2015-05-04), 10-K (filing date: 2015-02-27), 10-Q (filing date: 2014-10-23), 10-Q (filing date: 2014-07-24), 10-Q (filing date: 2014-04-22).

The primary reason for the increase in return on assets ratio (ROA) over Q3 2019 is the increase in asset turnover ratio.

• Annual Data
• Quarterly Data

Comcast Corp., decomposition of ROA (quarterly data)

	ROA	=	Tax Burden	×	Interest Burden	×	EBIT Margin	×	Asset Turnover
Sep 30, 2019		=		×		×		×
Jun 30, 2019		=		×		×		×
Mar 31, 2019		=		×		×		×
Dec 31, 2018		=		×		×		×
Sep 30, 2018		=		×		×		×
Jun 30, 2018		=		×		×		×
Mar 31, 2018		=		×		×		×
Dec 31, 2017		=		×		×		×
Sep 30, 2017		=		×		×		×
Jun 30, 2017		=		×		×		×
Mar 31, 2017		=		×		×		×
Dec 31, 2016		=		×		×		×
Sep 30, 2016		=		×		×		×
Jun 30, 2016		=		×		×		×
Mar 31, 2016		=		×		×		×
Dec 31, 2015		=		×		×		×
Sep 30, 2015		=		×		×		×
Jun 30, 2015		=		×		×		×
Mar 31, 2015		=		×		×		×
Dec 31, 2014		=		×		×		×
Sep 30, 2014		=		×		×		×
Jun 30, 2014		=		×		×		×
Mar 31, 2014		=		×		×		×

Based on: 10-Q (filing date: 2019-10-24), 10-Q (filing date: 2019-07-25), 10-Q (filing date: 2019-04-25), 10-K (filing date: 2019-01-31), 10-Q (filing date: 2018-10-25), 10-Q (filing date: 2018-07-26), 10-Q (filing date: 2018-04-25), 10-K (filing date: 2018-01-31), 10-Q (filing date: 2017-10-26), 10-Q (filing date: 2017-07-27), 10-Q (filing date: 2017-04-27), 10-K (filing date: 2017-02-03), 10-Q (filing date: 2016-10-26), 10-Q (filing date: 2016-07-27), 10-Q (filing date: 2016-04-27), 10-K (filing date: 2016-02-05), 10-Q (filing date: 2015-10-27), 10-Q (filing date: 2015-07-23), 10-Q (filing date: 2015-05-04), 10-K (filing date: 2015-02-27), 10-Q (filing date: 2014-10-23), 10-Q (filing date: 2014-07-24), 10-Q (filing date: 2014-04-22).

The primary reason for the increase in return on assets ratio (ROA) over Q3 2019 is the increase in efficiency measured by asset turnover ratio.

• Annual Data
• Quarterly Data

Comcast Corp., decomposition of net profit margin ratio (quarterly data)

	Net Profit Margin	=	Tax Burden	×	Interest Burden	×	EBIT Margin
Sep 30, 2019		=		×		×
Jun 30, 2019		=		×		×
Mar 31, 2019		=		×		×
Dec 31, 2018		=		×		×
Sep 30, 2018		=		×		×
Jun 30, 2018		=		×		×
Mar 31, 2018		=		×		×
Dec 31, 2017		=		×		×
Sep 30, 2017		=		×		×
Jun 30, 2017		=		×		×
Mar 31, 2017		=		×		×
Dec 31, 2016		=		×		×
Sep 30, 2016		=		×		×
Jun 30, 2016		=		×		×
Mar 31, 2016		=		×		×
Dec 31, 2015		=		×		×
Sep 30, 2015		=		×		×
Jun 30, 2015		=		×		×
Mar 31, 2015		=		×		×
Dec 31, 2014		=		×		×
Sep 30, 2014		=		×		×
Jun 30, 2014		=		×		×
Mar 31, 2014		=		×		×

Based on: 10-Q (filing date: 2019-10-24), 10-Q (filing date: 2019-07-25), 10-Q (filing date: 2019-04-25), 10-K (filing date: 2019-01-31), 10-Q (filing date: 2018-10-25), 10-Q (filing date: 2018-07-26), 10-Q (filing date: 2018-04-25), 10-K (filing date: 2018-01-31), 10-Q (filing date: 2017-10-26), 10-Q (filing date: 2017-07-27), 10-Q (filing date: 2017-04-27), 10-K (filing date: 2017-02-03), 10-Q (filing date: 2016-10-26), 10-Q (filing date: 2016-07-27), 10-Q (filing date: 2016-04-27), 10-K (filing date: 2016-02-05), 10-Q (filing date: 2015-10-27), 10-Q (filing date: 2015-07-23), 10-Q (filing date: 2015-05-04), 10-K (filing date: 2015-02-27), 10-Q (filing date: 2014-10-23), 10-Q (filing date: 2014-07-24), 10-Q (filing date: 2014-04-22).

The primary reason for the decrease in net profit margin ratio over Q3 2019 is the decrease in operating profitability measured by EBIT margin ratio.