We didn't see CareDx, Inc's (NASDAQ:CDNA) stock surge when it reported robust earnings recently. We decided to have a deeper look, and we believe that investors might be worried about several concerning factors that we found.

View our latest analysis for CareDx NasdaqGM:CDNA Earnings and Revenue History March 7th 2025

Zooming In On CareDx's Earnings

As finance nerds would already know, the accrual ratio from cashflow is a key measure for assessing how well a company's free cash flow (FCF) matches its profit. The accrual ratio subtracts the FCF from the profit for a given period, and divides the result by the average operating assets of the company over that time. This ratio tells us how much of a company's profit is not backed by free cashflow.

Therefore, it's actually considered a good thing when a company has a negative accrual ratio, but a bad thing if its accrual ratio is positive. That is not intended to imply we should worry about a positive accrual ratio, but it's worth noting where the accrual ratio is rather high. That's because some academic studies have suggested that high accruals ratios tend to lead to lower profit or less profit growth.

For the year to December 2024, CareDx had an accrual ratio of 0.29. Unfortunately, that means its free cash flow was a lot less than its statutory profit, which makes us doubt the utility of profit as a guide. To wit, it produced free cash flow of US$32m during the period, falling well short of its reported profit of US$52.5m. Notably, CareDx had negative free cash flow last year, so the US$32m it produced this year was a welcome improvement. However, that's not the end of the story. We must also consider the impact of unusual items on statutory profit (and thus the accrual ratio), as well as note the ramifications of the company issuing new shares. The good news for shareholders is that CareDx's accrual ratio was much better last year, so this year's poor reading might simply be a case of a short term mismatch between profit and FCF. Shareholders should look for improved cashflow relative to profit in the current year, if that is indeed the case.

That might leave you wondering what analysts are forecasting in terms of future profitability. Luckily, you can click here to see an interactive graph depicting future profitability, based on their estimates.

One essential aspect of assessing earnings quality is to look at how much a company is diluting shareholders. As it happens, CareDx issued 7.0% more new shares over the last year. Therefore, each share now receives a smaller portion of profit. Per share metrics like EPS help us understand how much actual shareholders are benefitting from the company's profits, while the net income level gives us a better view of the company's absolute size. Check out CareDx's historical EPS growth by clicking on this link.

Story Continues

A Look At The Impact Of CareDx's Dilution On Its Earnings Per Share (EPS)

CareDx was losing money three years ago. Zooming in to the last year, we still can't talk about growth rates coherently, since it made a loss last year. But mathematics aside, it is always good to see when a formerly unprofitable business come good (though we accept profit would have been higher if dilution had not been required). So you can see that the dilution has had a bit of an impact on shareholders.

If CareDx's EPS can grow over time then that drastically improves the chances of the share price moving in the same direction. But on the other hand, we'd be far less excited to learn profit (but not EPS) was improving. For that reason, you could say that EPS is more important that net income in the long run, assuming the goal is to assess whether a company's share price might grow.

How Do Unusual Items Influence Profit?

The fact that the company had unusual items boosting profit by US$95m, in the last year, probably goes some way to explain why its accrual ratio was so weak. We can't deny that higher profits generally leave us optimistic, but we'd prefer it if the profit were to be sustainable. When we analysed the vast majority of listed companies worldwide, we found that significant unusual items are often not repeated. And that's as you'd expect, given these boosts are described as 'unusual'. We can see that CareDx's positive unusual items were quite significant relative to its profit in the year to December 2024. All else being equal, this would likely have the effect of making the statutory profit a poor guide to underlying earnings power.

Our Take On CareDx's Profit Performance

CareDx didn't back up its earnings with free cashflow, but this isn't too surprising given profits were inflated by unusual items. The dilution means the results are weaker when viewed from a per-share perspective. For all the reasons mentioned above, we think that, at a glance, CareDx's statutory profits could be considered to be low quality, because they are likely to give investors an overly positive impression of the company. Keep in mind, when it comes to analysing a stock it's worth noting the risks involved. Every company has risks, and we've spotted 2 warning signs for CareDx you should know about.

Our examination of CareDx has focussed on certain factors that can make its earnings look better than they are. And, on that basis, we are somewhat skeptical. But there are plenty of other ways to inform your opinion of a company. Some people consider a high return on equity to be a good sign of a quality business. So you may wish to see this free collection of companies boasting high return on equity, or  this list of stocks with high insider ownership.

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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.

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