Some say volatility, rather than debt, is the best way to think about risk as an investor, but Warren Buffett famously said that 'Volatility is far from synonymous with risk.' So it seems the smart money knows that debt - which is usually involved in bankruptcies - is a very important factor, when you assess how risky a company is. We note that Costamare Inc. (NYSE:CMRE) does have debt on its balance sheet. But the real question is whether this debt is making the company risky.

Why Does Debt Bring Risk?

Debt is a tool to help businesses grow, but if a business is incapable of paying off its lenders, then it exists at their mercy. In the worst case scenario, a company can go bankrupt if it cannot pay its creditors. However, a more common (but still painful) scenario is that it has to raise new equity capital at a low price, thus permanently diluting shareholders. Having said that, the most common situation is where a company manages its debt reasonably well - and to its own advantage. When we think about a company's use of debt, we first look at cash and debt together.

What Is Costamare's Net Debt?

As you can see below, Costamare had US$2.26b of debt at June 2024, down from US$2.43b a year prior. However, because it has a cash reserve of US$944.5m, its net debt is less, at about US$1.32b.

A Look At Costamare's Liabilities

We can see from the most recent balance sheet that Costamare had liabilities of US$797.2m falling due within a year, and liabilities of US$2.06b due beyond that. Offsetting these obligations, it had cash of US$944.5m as well as receivables valued at US$138.8m due within 12 months. So its liabilities outweigh the sum of its cash and (near-term) receivables by US$1.77b.

When you consider that this deficiency exceeds the company's US$1.68b market capitalization, you might well be inclined to review the balance sheet intently. In the scenario where the company had to clean up its balance sheet quickly, it seems likely shareholders would suffer extensive dilution.

In order to size up a company's debt relative to its earnings, we calculate its net debt divided by its earnings before interest, tax, depreciation, and amortization (EBITDA) and its earnings before interest and tax (EBIT) divided by its interest expense (its interest cover). The advantage of this approach is that we take into account both the absolute quantum of debt (with net debt to EBITDA) and the actual interest expenses associated with that debt (with its interest cover ratio).

Costamare has net debt worth 2.2 times EBITDA, which isn't too much, but its interest cover looks a bit on the low side, with EBIT at only 3.9 times the interest expense. While that doesn't worry us too much, it does suggest the interest payments are somewhat of a burden. Costamare grew its EBIT by 3.8% in the last year. Whilst that hardly knocks our socks off it is a positive when it comes to debt. When analysing debt levels, the balance sheet is the obvious place to start. But it is future earnings, more than anything, that will determine Costamare's ability to maintain a healthy balance sheet going forward. So if you want to see what the professionals think, you might find this free report on analyst profit forecasts to be interesting.

Finally, a business needs free cash flow to pay off debt; accounting profits just don't cut it. So we clearly need to look at whether that EBIT is leading to corresponding free cash flow. In the last three years, Costamare's free cash flow amounted to 28% of its EBIT, less than we'd expect. That's not great, when it comes to paying down debt.

Our View

We'd go so far as to say Costamare's level of total liabilities was disappointing. Having said that, its ability to grow its EBIT isn't such a worry. Looking at the balance sheet and taking into account all these factors, we do believe that debt is making Costamare stock a bit risky. That's not necessarily a bad thing, but we'd generally feel more comfortable with less leverage. When analysing debt levels, the balance sheet is the obvious place to start. However, not all investment risk resides within the balance sheet - far from it. We've identified 4 warning signs with Costamare (at least 1 which is a bit concerning) , and understanding them should be part of your investment process.

When all is said and done, sometimes its easier to focus on companies that don't even need debt. Readers can access a list of growth stocks with zero net debt 100% free, right now.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.