Investors were underwhelmed by the solid earnings posted by Ciena Corporation (NYSE:CIEN) recently. We did some digging and actually think they are being unnecessarily pessimistic.

Examining Cashflow Against Ciena's Earnings

In high finance, the key ratio used to measure how well a company converts reported profits into free cash flow (FCF) is the accrual ratio (from cashflow). To get the accrual ratio we first subtract FCF from profit for a period, and then divide that number by the average operating assets for the 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".

Over the twelve months to January 2024, Ciena recorded an accrual ratio of -0.12. That implies it has good cash conversion, and implies that its free cash flow solidly exceeded its profit last year. To wit, it produced free cash flow of US$607m during the period, dwarfing its reported profit of US$228.1m. Given that Ciena had negative free cash flow in the prior corresponding period, the trailing twelve month resul of US$607m would seem to be a step in the right direction.

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.

Our Take On Ciena's Profit Performance

Ciena's accrual ratio is solid, and indicates strong free cash flow, as we discussed, above. Because of this, we think Ciena's earnings potential is at least as good as it seems, and maybe even better! And on top of that, its earnings per share increased by 26% in the last year. At the end of the day, it's essential to consider more than just the factors above, if you want to understand the company properly. While it's really important to consider how well a company's statutory earnings represent its true earnings power, it's also worth taking a look at what analysts are forecasting for the future. So feel free to check out our free graph representing analyst forecasts.

This note has only looked at a single factor that sheds light on the nature of Ciena's profit. 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 that insiders are buying.

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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.