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We Ran A Stock Scan For Earnings Growth And Protia (KOSDAQ:303360) Passed With Ease

Simply Wall St·10/01/2026 21:03:31
語音播報

It's common for many investors, especially those who are inexperienced, to buy shares in companies with a good story even if these companies are loss-making. But as Peter Lynch said in One Up On Wall Street, 'Long shots almost never pay off.' Loss making companies can act like a sponge for capital - so investors should be cautious that they're not throwing good money after bad.

Despite being in the age of tech-stock blue-sky investing, many investors still adopt a more traditional strategy; buying shares in profitable companies like Protia (KOSDAQ:303360). While this doesn't necessarily speak to whether it's undervalued, the profitability of the business is enough to warrant some appreciation - especially if its growing.

Protia's Earnings Per Share Are Growing

The market is a voting machine in the short term, but a weighing machine in the long term, so you'd expect share price to follow earnings per share (EPS) outcomes eventually. That means EPS growth is considered a real positive by most successful long-term investors. To the delight of shareholders, Protia has achieved impressive annual EPS growth of 56%, compound, over the last three years. While that sort of growth rate isn't sustainable for long, it certainly catches the eye of prospective investors.

One way to double-check a company's growth is to look at how its revenue, and earnings before interest and tax (EBIT) margins are changing. The good news is that Protia is growing revenues, and EBIT margins improved by 5.8 percentage points to 26%, over the last year. That's great to see, on both counts.

In the chart below, you can see how the company has grown earnings and revenue, over time. To see the actual numbers, click on the chart.

earnings-and-revenue-history
KOSDAQ:A303360 Earnings and Revenue History October 1st 2026

Check out our latest analysis for Protia

Protia isn't a huge company, given its market capitalisation of ₩78b. That makes it extra important to check on its balance sheet strength.

Are Protia Insiders Aligned With All Shareholders?

Seeing insiders owning a large portion of the shares on issue is often a good sign. Their incentives will be aligned with the investors and there's less of a probability in a sudden sell-off that would impact the share price. So those who are interested in Protia will be delighted to know that insiders have shown their belief, holding a large proportion of the company's shares. Actually, with 42% of the company to their names, insiders are profoundly invested in the business. This should be a welcoming sign for investors because it suggests that the people making the decisions are also impacted by their choices. In terms of absolute value, insiders have ₩33b invested in the business, at the current share price. That's nothing to sneeze at!

Is Protia Worth Keeping An Eye On?

Protia's earnings have taken off in quite an impressive fashion. This level of EPS growth does wonders for attracting investment, and the large insider investment in the company is just the cherry on top. The hope is, of course, that the strong growth marks a fundamental improvement in the business economics. So based on this quick analysis, we do think it's worth considering Protia for a spot on your watchlist. You still need to take note of risks, for example - Protia has 2 warning signs (and 1 which is a bit unpleasant) we think you should know about.

There's always the possibility of doing well buying stocks that are not growing earnings and do not have insiders buying shares. But for those who consider these important metrics, we encourage you to check out companies that do have those features. You can access a tailored list of South Korean companies which have demonstrated growth backed by significant insider holdings.

Please note the insider transactions discussed in this article refer to reportable transactions in the relevant jurisdiction.