Stock Analysis on Net

AutoZone Inc. (NYSE:AZO)

This company has been moved to the archive! The financial data has not been updated since December 18, 2023.

DuPont Analysis: Disaggregation of ROE, ROA, and Net Profit Margin 

Microsoft Excel

Two-Component Disaggregation of ROE

AutoZone Inc., decomposition of ROE

Microsoft Excel
ROE = ROA × Financial Leverage
Aug 26, 2023 = 15.82% ×
Aug 27, 2022 = 15.91% ×
Aug 28, 2021 = 14.95% ×
Aug 29, 2020 = 12.01% ×
Aug 31, 2019 = 16.34% ×
Aug 25, 2018 = 14.31% ×

Based on: 10-K (reporting date: 2023-08-26), 10-K (reporting date: 2022-08-27), 10-K (reporting date: 2021-08-28), 10-K (reporting date: 2020-08-29), 10-K (reporting date: 2019-08-31), 10-K (reporting date: 2018-08-25).


Three-Component Disaggregation of ROE

AutoZone Inc., decomposition of ROE

Microsoft Excel
ROE = Net Profit Margin × Asset Turnover × Financial Leverage
Aug 26, 2023 = 14.48% × 1.09 ×
Aug 27, 2022 = 14.95% × 1.06 ×
Aug 28, 2021 = 14.84% × 1.01 ×
Aug 29, 2020 = 13.72% × 0.88 ×
Aug 31, 2019 = 13.63% × 1.20 ×
Aug 25, 2018 = 11.92% × 1.20 ×

Based on: 10-K (reporting date: 2023-08-26), 10-K (reporting date: 2022-08-27), 10-K (reporting date: 2021-08-28), 10-K (reporting date: 2020-08-29), 10-K (reporting date: 2019-08-31), 10-K (reporting date: 2018-08-25).


Five-Component Disaggregation of ROE

AutoZone Inc., decomposition of ROE

Microsoft Excel
ROE = Tax Burden × Interest Burden × EBIT Margin × Asset Turnover × Financial Leverage
Aug 26, 2023 = 0.80 × 0.91 × 19.97% × 1.09 ×
Aug 27, 2022 = 0.79 × 0.94 × 20.16% × 1.06 ×
Aug 28, 2021 = 0.79 × 0.93 × 20.16% × 1.01 ×
Aug 29, 2020 = 0.78 × 0.91 × 19.18% × 0.88 ×
Aug 31, 2019 = 0.80 × 0.91 × 18.74% × 1.20 ×
Aug 25, 2018 = 0.82 × 0.90 × 16.19% × 1.20 ×

Based on: 10-K (reporting date: 2023-08-26), 10-K (reporting date: 2022-08-27), 10-K (reporting date: 2021-08-28), 10-K (reporting date: 2020-08-29), 10-K (reporting date: 2019-08-31), 10-K (reporting date: 2018-08-25).


Two-Component Disaggregation of ROA

AutoZone Inc., decomposition of ROA

Microsoft Excel
ROA = Net Profit Margin × Asset Turnover
Aug 26, 2023 15.82% = 14.48% × 1.09
Aug 27, 2022 15.91% = 14.95% × 1.06
Aug 28, 2021 14.95% = 14.84% × 1.01
Aug 29, 2020 12.01% = 13.72% × 0.88
Aug 31, 2019 16.34% = 13.63% × 1.20
Aug 25, 2018 14.31% = 11.92% × 1.20

Based on: 10-K (reporting date: 2023-08-26), 10-K (reporting date: 2022-08-27), 10-K (reporting date: 2021-08-28), 10-K (reporting date: 2020-08-29), 10-K (reporting date: 2019-08-31), 10-K (reporting date: 2018-08-25).

The primary reason for the decrease in return on assets ratio (ROA) over 2023 year is the decrease in profitability measured by net profit margin ratio.


Four-Component Disaggregation of ROA

AutoZone Inc., decomposition of ROA

Microsoft Excel
ROA = Tax Burden × Interest Burden × EBIT Margin × Asset Turnover
Aug 26, 2023 15.82% = 0.80 × 0.91 × 19.97% × 1.09
Aug 27, 2022 15.91% = 0.79 × 0.94 × 20.16% × 1.06
Aug 28, 2021 14.95% = 0.79 × 0.93 × 20.16% × 1.01
Aug 29, 2020 12.01% = 0.78 × 0.91 × 19.18% × 0.88
Aug 31, 2019 16.34% = 0.80 × 0.91 × 18.74% × 1.20
Aug 25, 2018 14.31% = 0.82 × 0.90 × 16.19% × 1.20

Based on: 10-K (reporting date: 2023-08-26), 10-K (reporting date: 2022-08-27), 10-K (reporting date: 2021-08-28), 10-K (reporting date: 2020-08-29), 10-K (reporting date: 2019-08-31), 10-K (reporting date: 2018-08-25).

The primary reason for the decrease in return on assets ratio (ROA) over 2023 year is the decrease in effect of interest expense measured by interest burden ratio.


Disaggregation of Net Profit Margin

AutoZone Inc., decomposition of net profit margin ratio

Microsoft Excel
Net Profit Margin = Tax Burden × Interest Burden × EBIT Margin
Aug 26, 2023 14.48% = 0.80 × 0.91 × 19.97%
Aug 27, 2022 14.95% = 0.79 × 0.94 × 20.16%
Aug 28, 2021 14.84% = 0.79 × 0.93 × 20.16%
Aug 29, 2020 13.72% = 0.78 × 0.91 × 19.18%
Aug 31, 2019 13.63% = 0.80 × 0.91 × 18.74%
Aug 25, 2018 11.92% = 0.82 × 0.90 × 16.19%

Based on: 10-K (reporting date: 2023-08-26), 10-K (reporting date: 2022-08-27), 10-K (reporting date: 2021-08-28), 10-K (reporting date: 2020-08-29), 10-K (reporting date: 2019-08-31), 10-K (reporting date: 2018-08-25).

The primary reason for the decrease in net profit margin ratio over 2023 year is the decrease in effect of interest expense measured by interest burden ratio.