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DuPont Analysis: Decomposition of ROE
Quarterly Data
Difficulty: Beginner
Decomposing ROE involves expressing net income divided by shareholders' equity as the product of component ratios.
Two-Component Disaggregation of ROE
Comcast Corp., decomposition of ROE (quarterly data)
Based on: 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), 10-K (filing date: 2014-02-12), 10-Q (filing date: 2013-10-30), 10-Q (filing date: 2013-07-31), 10-Q (filing date: 2013-05-01).
The primary reason for the decrease in Return on Equity (ROE) over Q3 2018 is the decrease in profitability measured by Return on Assets (ROA).
Three-Component Disaggregation of ROE
Comcast Corp., decomposition of ROE (quarterly data)
Based on: 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), 10-K (filing date: 2014-02-12), 10-Q (filing date: 2013-10-30), 10-Q (filing date: 2013-07-31), 10-Q (filing date: 2013-05-01).
The primary reason for the decrease in Return on Equity (ROE) over Q3 2018 is the decrease in efficiency measured by Asset Turnover.
Five-Component Disaggregation of ROE
Comcast Corp., decomposition of ROE (quarterly data)
Based on: 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), 10-K (filing date: 2014-02-12), 10-Q (filing date: 2013-10-30), 10-Q (filing date: 2013-07-31), 10-Q (filing date: 2013-05-01).
The primary reason for the decrease in Return on Equity (ROE) over Q3 2018 is the decrease in efficiency measured by Asset Turnover.
Two-Way Decomposition of ROA
Comcast Corp., decomposition of ROA (quarterly data)
Based on: 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), 10-K (filing date: 2014-02-12), 10-Q (filing date: 2013-10-30), 10-Q (filing date: 2013-07-31), 10-Q (filing date: 2013-05-01).
The primary reason for the decrease in Return on Assets (ROA) over Q3 2018 is the decrease in Asset Turnover.
Four-Way Decomposition of ROA
Comcast Corp., decomposition of ROA (quarterly data)
Based on: 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), 10-K (filing date: 2014-02-12), 10-Q (filing date: 2013-10-30), 10-Q (filing date: 2013-07-31), 10-Q (filing date: 2013-05-01).
The primary reason for the decrease in Return on Assets (ROA) over Q3 2018 is the decrease in efficiency measured by Asset Turnover.
Decomposition of Net Profit Margin
Comcast Corp., decomposition of Net Profit Margin (quarterly data)
Based on: 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), 10-K (filing date: 2014-02-12), 10-Q (filing date: 2013-10-30), 10-Q (filing date: 2013-07-31), 10-Q (filing date: 2013-05-01).
The primary reason for the decrease in Net Profit Margin over Q3 2018 is the decrease in operating profitability measured by EBIT Margin.
