Common-Size Income Statement
Quarterly Data
Based on: 10-Q (reporting date: 2023-09-30), 10-Q (reporting date: 2023-06-30), 10-Q (reporting date: 2023-03-31), 10-K (reporting date: 2022-12-31), 10-Q (reporting date: 2022-09-30), 10-Q (reporting date: 2022-06-30), 10-Q (reporting date: 2022-03-31), 10-K (reporting date: 2021-12-31), 10-Q (reporting date: 2021-09-30), 10-Q (reporting date: 2021-06-30), 10-Q (reporting date: 2021-03-31), 10-K (reporting date: 2020-12-31), 10-Q (reporting date: 2020-09-30), 10-Q (reporting date: 2020-06-30), 10-Q (reporting date: 2020-03-31), 10-K (reporting date: 2019-12-31), 10-Q (reporting date: 2019-09-30), 10-Q (reporting date: 2019-06-30), 10-Q (reporting date: 2019-03-31), 10-K (reporting date: 2018-12-31), 10-Q (reporting date: 2018-09-30), 10-Q (reporting date: 2018-06-30), 10-Q (reporting date: 2018-03-31).
An analysis of the common-size income statement reveals a period of relative stability followed by significant volatility in 2020 and a gradual compression of margins through 2023. The most prominent feature of the data is the impact of external shocks in early 2020, followed by a strategic shift in expense allocation.
- Gross Profit Margins
- Gross margins remained consistently high between 71% and 75% from early 2018 through late 2021. A sharp, temporary contraction occurred in June 2020, where gross profit fell to 63.67%. Since late 2021, a steady downward trend has emerged, with the gross margin declining from 72.21% in September 2021 to 69.06% by September 2023, indicating rising costs of revenues relative to net sales.
- Operating Expense Dynamics
- Selling, General and Administrative (SG&A) expenses typically fluctuated between 42% and 45% of net revenues. However, a severe spike was recorded in June 2020, reaching 72.94%, which heavily impacted operating results for that quarter. Research and Development (R&D) spending shows a clear long-term upward trend; while it hovered around 6% to 7% from 2018 to 2020, it consistently increased starting in 2021, peaking at approximately 9.2% in the final quarters of the analysis period.
- Operating Income Trends
- Operating margins were robust in 2018 and 2019, generally ranging between 20% and 25%. After the volatility of 2020—which included a significant operating loss of 20.72% in June—margins recovered to a peak of 26.60% in June 2021. Subsequently, a sustained decline is observed, with operating income falling to 12.50% by December 2022 before recovering slightly to 17.32% by September 2023.
- Net Income and Anomalies
- The net income margin exhibits an extreme outlier in March 2020, reaching 275.54% due to a massive benefit from income taxes (265.86% of net revenues). Excluding this anomaly, the net profit margin demonstrates a gradual erosive trend. From a baseline of approximately 18% to 22% in 2018, the net margin declined to a low of 4.63% in December 2022, before showing a modest recovery to 12.65% by September 2023.
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