We didn't see Jianglong Shipbuilding Co., Ltd.'s (SZSE:300589) stock surge when it reported robust earnings recently. We looked deeper into the numbers and found that shareholders might be concerned with some underlying weaknesses.

Zooming In On Jianglong Shipbuilding's Earnings

One key financial ratio used to measure how well a company converts its profit to free cash flow (FCF) is the accrual ratio. In plain english, this ratio subtracts FCF from net profit, and divides that number by the company's average operating assets over that period. The ratio shows us how much a company's profit exceeds its FCF.

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. While it's not a problem to have a positive accrual ratio, indicating a certain level of non-cash profits, a high accrual ratio is arguably a bad thing, because it indicates paper profits are not matched by cash flow. To quote a 2014 paper by Lewellen and Resutek, "firms with higher accruals tend to be less profitable in the future".

For the year to September 2024, Jianglong Shipbuilding had an accrual ratio of 1.04. As a general rule, that bodes poorly for future profitability. And indeed, during the period the company didn't produce any free cash flow whatsoever. Over the last year it actually had negative free cash flow of CN¥511m, in contrast to the aforementioned profit of CN¥52.5m. We saw that FCF was CN¥288m a year ago though, so Jianglong Shipbuilding has at least been able to generate positive FCF in the past. Having said that, there is more to the story. The accrual ratio is reflecting the impact of unusual items on statutory profit, at least in part. The good news for shareholders is that Jianglong Shipbuilding'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. As a result, some shareholders may be looking for stronger cash conversion in the current year.

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.

The Impact Of Unusual Items On Profit

The fact that the company had unusual items boosting profit by CN¥21m, 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. We ran the numbers on most publicly listed companies worldwide, and it's very common for unusual items to be once-off in nature. And that's as you'd expect, given these boosts are described as 'unusual'. Jianglong Shipbuilding had a rather significant contribution from unusual items relative to its profit to September 2024. As a result, we can surmise that the unusual items are making its statutory profit significantly stronger than it would otherwise be.

Our Take On Jianglong Shipbuilding's Profit Performance

Jianglong Shipbuilding had a weak accrual ratio, but its profit did receive a boost from unusual items. On reflection, the above-mentioned factors give us the strong impression that Jianglong Shipbuilding'sunderlying earnings power is not as good as it might seem, based on the statutory profit numbers. In light of this, if you'd like to do more analysis on the company, it's vital to be informed of the risks involved. While conducting our analysis, we found that Jianglong Shipbuilding has 1 warning sign and it would be unwise to ignore it.

In this article we've looked at a number of factors that can impair the utility of profit numbers, and we've come away cautious. But there are plenty of other ways to inform your opinion of a company. For example, many people consider a high return on equity as an indication of favorable business economics, while others like to 'follow the money' and search out stocks that insiders are buying. 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.