The most recent earnings report from Power Integrations, Inc. (NASDAQ:POWI) was disappointing for shareholders. While the headline numbers were soft, we believe that investors might be missing some encouraging factors.

Examining Cashflow Against Power Integrations' 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. 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.

As a result, a negative accrual ratio is a positive for the company, and a positive accrual ratio is a negative. While having an accrual ratio above zero is of little concern, we do think it's worth noting when a company has a relatively high accrual ratio. Notably, there is some academic evidence that suggests that a high accrual ratio is a bad sign for near-term profits, generally speaking.

For the year to March 2026, Power Integrations had an accrual ratio of -0.16. That indicates that its free cash flow quite significantly exceeded its statutory profit. To wit, it produced free cash flow of US$85m during the period, dwarfing its reported profit of US$16.6m. Power Integrations' free cash flow improved over the last year, which is generally good to see. However, that's not all there is to consider. The accrual ratio is reflecting the impact of unusual items on statutory profit, at least in part.

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

Power Integrations' profit was reduced by unusual items worth US$18m in the last twelve months, and this helped it produce high cash conversion, as reflected by its unusual items. In a scenario where those unusual items included non-cash charges, we'd expect to see a strong accrual ratio, which is exactly what has happened in this case. While deductions due to unusual items are disappointing in the first instance, there is a silver lining. When we analysed the vast majority of listed companies worldwide, we found that significant unusual items are often not repeated. And, after all, that's exactly what the accounting terminology implies. Power Integrations took a rather significant hit from unusual items in the year to March 2026. All else being equal, this would likely have the effect of making the statutory profit look worse than its underlying earnings power.

Our Take On Power Integrations' Profit Performance

Considering both Power Integrations' accrual ratio and its unusual items, we think its statutory earnings are unlikely to exaggerate the company's underlying earnings power. Based on these factors, we think Power Integrations' underlying earnings potential is as good as, or probably even better, than the statutory profit makes it seem! If you'd like to know more about Power Integrations as a business, it's important to be aware of any risks it's facing.

After our examination into the nature of Power Integrations' profit, we've come away optimistic for the company. But there is always more to discover if you are capable of focussing your mind on minutiae. 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.

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.