Stock Analysis on Net
Stock Analysis on Net
Microsoft Excel LibreOffice Calc

Amazon.com Inc. (NASDAQ:AMZN)

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Analysis of Investments

Advanced level

Adjustment to Net Income (Loss): Mark to Market Available-for-sale Securities

Amazon.com Inc., adjustment to net income

US$ in millions

Microsoft Excel LibreOffice Calc
12 months ended: Dec 31, 2020 Dec 31, 2019 Dec 31, 2018 Dec 31, 2017 Dec 31, 2016
Net income (as reported)
Add: Net unrealized gains (losses) on available-for-sale debt securities, net of tax
Net income (adjusted)

Based on: 10-K (filing date: 2021-02-03), 10-K (filing date: 2020-01-31), 10-K (filing date: 2019-02-01), 10-K (filing date: 2018-02-02), 10-K (filing date: 2017-02-10).


Adjusted Profitability Ratios: Mark to Market Available-for-sale Securities (Summary)

Amazon.com Inc., adjusted profitability ratios

Microsoft Excel LibreOffice Calc
Dec 31, 2020 Dec 31, 2019 Dec 31, 2018 Dec 31, 2017 Dec 31, 2016
Net Profit Margin
Reported net profit margin
Adjusted net profit margin
Return on Equity (ROE)
Reported ROE
Adjusted ROE
Return on Assets (ROA)
Reported ROA
Adjusted ROA

Based on: 10-K (filing date: 2021-02-03), 10-K (filing date: 2020-01-31), 10-K (filing date: 2019-02-01), 10-K (filing date: 2018-02-02), 10-K (filing date: 2017-02-10).

Profitability ratio Description The company
Adjusted net profit margin An indicator of profitability, calculated as adjusted net income divided by revenue. Amazon.com Inc.’s adjusted net profit margin ratio deteriorated from 2018 to 2019 but then improved from 2019 to 2020 exceeding 2018 level.
Adjusted ROE A profitability ratio calculated as adjusted net income divided by shareholders’ equity. Amazon.com Inc.’s adjusted ROE deteriorated from 2018 to 2019 but then improved from 2019 to 2020 not reaching 2018 level.
Adjusted ROA A profitability ratio calculated as adjusted net income divided by total assets. Amazon.com Inc.’s adjusted ROA deteriorated from 2018 to 2019 but then improved from 2019 to 2020 exceeding 2018 level.

Amazon.com Inc., Profitability Ratios: Reported vs. Adjusted


Adjusted Net Profit Margin

Microsoft Excel LibreOffice Calc
Dec 31, 2020 Dec 31, 2019 Dec 31, 2018 Dec 31, 2017 Dec 31, 2016
As Reported
Selected Financial Data (US$ in millions)
Net income
Net sales
Profitability Ratio
Net profit margin1
Adjusted: Mark to Market Available-for-sale Securities
Selected Financial Data (US$ in millions)
Adjusted net income
Net sales
Profitability Ratio
Adjusted net profit margin2

Based on: 10-K (filing date: 2021-02-03), 10-K (filing date: 2020-01-31), 10-K (filing date: 2019-02-01), 10-K (filing date: 2018-02-02), 10-K (filing date: 2017-02-10).

2020 Calculations

1 Net profit margin = 100 × Net income ÷ Net sales
= 100 × ÷ =

2 Adjusted net profit margin = 100 × Adjusted net income ÷ Net sales
= 100 × ÷ =

Profitability ratio Description The company
Adjusted net profit margin An indicator of profitability, calculated as adjusted net income divided by revenue. Amazon.com Inc.’s adjusted net profit margin ratio deteriorated from 2018 to 2019 but then improved from 2019 to 2020 exceeding 2018 level.

Adjusted Return on Equity (ROE)

Microsoft Excel LibreOffice Calc
Dec 31, 2020 Dec 31, 2019 Dec 31, 2018 Dec 31, 2017 Dec 31, 2016
As Reported
Selected Financial Data (US$ in millions)
Net income
Stockholders’ equity
Profitability Ratio
ROE1
Adjusted: Mark to Market Available-for-sale Securities
Selected Financial Data (US$ in millions)
Adjusted net income
Stockholders’ equity
Profitability Ratio
Adjusted ROE2

Based on: 10-K (filing date: 2021-02-03), 10-K (filing date: 2020-01-31), 10-K (filing date: 2019-02-01), 10-K (filing date: 2018-02-02), 10-K (filing date: 2017-02-10).

2020 Calculations

1 ROE = 100 × Net income ÷ Stockholders’ equity
= 100 × ÷ =

2 Adjusted ROE = 100 × Adjusted net income ÷ Stockholders’ equity
= 100 × ÷ =

Profitability ratio Description The company
Adjusted ROE A profitability ratio calculated as adjusted net income divided by shareholders’ equity. Amazon.com Inc.’s adjusted ROE deteriorated from 2018 to 2019 but then improved from 2019 to 2020 not reaching 2018 level.

Adjusted Return on Assets (ROA)

Microsoft Excel LibreOffice Calc
Dec 31, 2020 Dec 31, 2019 Dec 31, 2018 Dec 31, 2017 Dec 31, 2016
As Reported
Selected Financial Data (US$ in millions)
Net income
Total assets
Profitability Ratio
ROA1
Adjusted: Mark to Market Available-for-sale Securities
Selected Financial Data (US$ in millions)
Adjusted net income
Total assets
Profitability Ratio
Adjusted ROA2

Based on: 10-K (filing date: 2021-02-03), 10-K (filing date: 2020-01-31), 10-K (filing date: 2019-02-01), 10-K (filing date: 2018-02-02), 10-K (filing date: 2017-02-10).

2020 Calculations

1 ROA = 100 × Net income ÷ Total assets
= 100 × ÷ =

2 Adjusted ROA = 100 × Adjusted net income ÷ Total assets
= 100 × ÷ =

Profitability ratio Description The company
Adjusted ROA A profitability ratio calculated as adjusted net income divided by total assets. Amazon.com Inc.’s adjusted ROA deteriorated from 2018 to 2019 but then improved from 2019 to 2020 exceeding 2018 level.