Ratio Analysis – Investopedia
Investopedia / Theresa Chiechi
Ratio analysis is a quantitative method of gaining insight into a company’s liquidity, operational efficiency, and profitability by studying its financial statements such as the balance sheet and income statement. Ratio analysis is a cornerstone of fundamental equity analysis.
Investors and analysts employ ratio analysis to evaluate the financial health of companies by scrutinizing past and current financial statements. Comparative data can demonstrate how a company is performing over time and can be used to estimate likely future performance. This data can also compare a company's financial standing with industry averages while measuring how a company stacks up against others within the same sector.
Investors can use ratio analysis easily, and every figure needed to calculate the ratios is found on a company's financial statements.
Ratios are comparison points for companies. They evaluate stocks within an industry. Likewise, they measure a company today against its historical numbers. In most cases, it is also important to understand the variables driving ratios as management has the flexibility to, at times, alter its strategy to make its stock and company ratios more attractive. Generally, ratios are typically not used in isolation but rather in combination with other ratios. Having a good idea of the ratios in each of the four previously mentioned categories will give you a comprehensive view of the company from different angles and help you spot potential red flags.
A ratio is the relation between two amounts showing the number of times one value contains or is contained within the other.
The various kinds of financial ratios available may be broadly grouped into the following six silos, based on the sets of data they provide:
Liquidity ratios measure a company’s ability to pay off its short-term debts as they become due, using the company’s current or quick assets. Liquidity ratios include the current ratio, quick ratio, and working capital ratio.
Also called financial leverage ratios, solvency ratios compare a company’s debt levels with its assets, equity, and earnings, to evaluate the likelihood of a company staying afloat over the long haul, by paying off its long-term debt as well as the interest on its debt. Examples of solvency ratios include: debt-equity ratios, debt-assets ratios, and interest coverage ratios.
These ratios convey how well a company can generate profits from its operations. Profit margin, return on assets, return on equity, return on capital employed, and gross margin ratios are all examples of profitability ratios.
Also called activity ratios, efficiency ratios evaluate how efficiently a company uses its assets and liabilities to generate sales and maximize profits. Key efficiency ratios include: turnover ratio, inventory turnover, and days’ sales in inventory.
Coverage ratios measure a company’s ability to make the interest payments and other obligations associated with its debts. Examples include the times interest earned ratio and the debt-service coverage ratio.
These are the most commonly used ratios in fundamental analysis. They include dividend yield, P/E ratio, earnings per share (EPS), and dividend payout ratio. Investors use these metrics to predict earnings and future performance.
For example, if the average P/E ratio of all companies in the S&P 500 index is 20, and the majority of companies have P/Es between 15 and 25, a stock with a P/E ratio of seven would be considered undervalued. In contrast, one with a P/E ratio of 50 would be considered overvalued. The former may trend upwards in the future, while the latter may trend downwards until each aligns with its intrinsic value.
Most ratio analysis is only used for internal decision making. Though some benchmarks are set externally (discussed below), ratio analysis is often not a required aspect of budgeting or planning.
The fundamental basis of ratio analysis is to compare multiple figures and derive a calculated value. By itself, that value may hold little to no value. Instead, ratio analysis must often be applied to a comparable to determine whether or a company's financial health is strong, weak, improving, or deteriorating.
A company can perform ratio analysis over time to get a better understanding of the trajectory of its company. Instead of being focused on where it is today, the company is more interested doing this type of analysis is more interested in how the company has performed over time, what changes have worked, and what risks still exist looking to the future. Performing ratio analysis is a central part in forming long-term decisions and strategic planning.
To perform ratio analysis over time, a company selects a single financial ratio, then calculates that ratio on a fixed cadence (i.e. calculating its quick ratio every month). Be mindful of seasonality and how temporarily fluctuations in account balances may impact month-over-month ratio calculations. Then, a company analyzes how the ratio has changed over time (whether it is improving, the rate at which it is changing, and whether the company wanted the ratio to change over time).
Imagine a company with a 10% gross profit margin. A company may be thrilled with this financial ratio until it learns that every competitor is achieving a gross profit margin of 25%. Ratio analysis is incredibly useful for a company to better stand how its performance compares to similar companies.
To correctly implement ratio analysis to compare different companies, consider only analyzing similar companies within the same industry. In addition, be mindful how different capital structures and company sizes may impact a company’s ability to be efficient. In addition, consider how companies with varying product lines (i.e. some technology companies may offer products as well as services, two different product lines with varying impacts to ratio analysis).
Different industries simply have different ratio expectations. A debt-equity ratio that might be normal for a utility company that can obtain low-cost debt might be deemed unsustainably high for a technology company that relies heavier on private investor funding.
Companies may set internal targets for what they want their ratio analysis calculations to be equal to. These calculations may hold current levels steady or strive for operational growth. For example, a company's existing current ratio may be 1.1; if the company wants to become more liquid, it may set the internal target of having a current ratio of 1.2 by the end of the fiscal year.
Benchmarks are also frequently implemented by external parties such lenders. Lending institutions often set requirements for financial health. If these benchmarks are not met, an entire loan may be callable or a company may be faced with an adjusted higher rate of interest to compensation for this risk. An example of a benchmark set by a lender is often the debt service coverage ratio which measures a company’s cash flow against it’s debt balances.
Ratio analysis can predict a company's future performance—for better or worse. Successful companies generally boast solid ratios in all areas, where any sudden hint of weakness in one area may spark a significant stock sell-off. Let's look at a few simple examples
Net profit margin, often referred to simply as profit margin or the bottom line, is a ratio that investors use to compare the profitability of companies within the same sector. It’s calculated by dividing a company’s net income by its revenues. Instead of dissecting financial statements to compare how profitable companies are, an investor can use this ratio instead. For example, suppose company ABC and company DEF are in the same sector with profit margins of 50% and 10%, respectively. An investor can easily compare the two companies and conclude that ABC converted 50% of its revenues into profits, while DEF only converted 10%.
Using the companies from the above example, suppose ABC has a P/E ratio of 100, while DEF has a P/E ratio of 10. An average investor concludes that investors are willing to pay $100 per $1 of earnings ABC generates and only $10 per $1 of earnings DEF generates.
Financial ratio analysis is often broken into five different types: profitability, solvency, liquidity, turnover, and earnings ratios. Other non-financial metrics may be scattered across various departments and industries. For example, a marketing department may use a conversion click ratio to analyze customer capture.
Ratio analysis serves three main uses. First, ratio analysis can be performed to track changes to a company over time to better understand the trajectory of operations. Second, ratio analysis can be performed to compare results with other similar companies to see how the company is doing compared to competitors. Third, ratio analysis can be performed to strive for specific internally-set or externally-set benchmarks.
Ratio analysis is important because it may portray a more accurate representation of the state of operations for a company. Consider a company that made $1 billion of revenue last quarter. Though this seems ideal, the company might have had a negative gross profit margin, a decrease in liquidity ratio metrics, and lower earnings compared to equity than in prior periods. Static numbers on their own may not fully explain how a company is performing.
Consider the inventory turnover ratio that measures how quickly a company converts inventory to a sale. A company can track its inventory turnover over a full calendar year to see how quickly it converted goods to cash each month. Then, a company can explore the reasons certain months lagged or why certain months exceeded expectations.
There is often an overwhelming amount of data and information useful for a company to make decisions. To make better use of their information, a company may compare several numbers together. This process called ratio analysis allows a company to gain better insights to how it is performing over time, against competition, and against internal goals. Ratio analysis is usually rooted heavily with financial metrics, though ratio analysis can be performed with non-financial data.
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