Howard Marks put it nicely when he said that, rather than worrying about share price volatility, 'The possibility of permanent loss is the risk I worry about... and every practical investor I know worries about.' It's only natural to consider a company's balance sheet when you examine how risky it is, since debt is often involved when a business collapses. We can see that MTR Corporation Limited (HKG:66) does use debt in its business. But is this debt a concern to shareholders?

What Risk Does Debt Bring?

Generally speaking, debt only becomes a real problem when a company can't easily pay it off, either by raising capital or with its own cash flow. Part and parcel of capitalism is the process of 'creative destruction' where failed businesses are mercilessly liquidated by their bankers. However, a more frequent (but still costly) occurrence is where a company must issue shares at bargain-basement prices, permanently diluting shareholders, just to shore up its balance sheet. Of course, plenty of companies use debt to fund growth, without any negative consequences. The first thing to do when considering how much debt a business uses is to look at its cash and debt together.

How Much Debt Does MTR Carry?

As you can see below, at the end of December 2023, MTR had HK$59.2b of debt, up from HK$47.1b a year ago. Click the image for more detail. However, it does have HK$15.8b in cash offsetting this, leading to net debt of about HK$43.4b.

How Healthy Is MTR's Balance Sheet?

We can see from the most recent balance sheet that MTR had liabilities of HK$24.6b falling due within a year, and liabilities of HK$143.0b due beyond that. On the other hand, it had cash of HK$15.8b and HK$16.8b worth of receivables due within a year. So its liabilities total HK$135.0b more than the combination of its cash and short-term receivables.

This is a mountain of leverage even relative to its gargantuan market capitalization of HK$152.3b. Should its lenders demand that it shore up the balance sheet, shareholders would likely face severe dilution.

We use two main ratios to inform us about debt levels relative to earnings. The first is net debt divided by earnings before interest, tax, depreciation, and amortization (EBITDA), while the second is how many times its earnings before interest and tax (EBIT) covers its interest expense (or its interest cover, for short). This way, we consider both the absolute quantum of the debt, as well as the interest rates paid on it.

MTR has net debt to EBITDA of 2.9 suggesting it uses a fair bit of leverage to boost returns. On the plus side, its EBIT was 8.6 times its interest expense, and its net debt to EBITDA, was quite high, at 2.9. Shareholders should be aware that MTR's EBIT was down 32% last year. If that earnings trend continues then paying off its debt will be about as easy as herding cats on to a roller coaster. When analysing debt levels, the balance sheet is the obvious place to start. But ultimately the future profitability of the business will decide if MTR can strengthen its balance sheet over time. So if you're focused on the future you can check out this free report showing analyst profit forecasts.

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. Over the last three years, MTR saw substantial negative free cash flow, in total. While that may be a result of expenditure for growth, it does make the debt far more risky.

Our View

To be frank both MTR's conversion of EBIT to free cash flow and its track record of (not) growing its EBIT make us rather uncomfortable with its debt levels. But on the bright side, its interest cover is a good sign, and makes us more optimistic. Overall, it seems to us that MTR's balance sheet is really quite a risk to the business. For this reason we're pretty cautious about the stock, and we think shareholders should keep a close eye on its liquidity. There's no doubt that we learn most about debt from the balance sheet. But ultimately, every company can contain risks that exist outside of the balance sheet. To that end, you should learn about the 2 warning signs we've spotted with MTR (including 1 which is concerning) .

At the end of the day, it's often better to focus on companies that are free from net debt. You can access our special list of such companies (all with a track record of profit growth). It's free.

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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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com