Stock Analysis

DiaSorin (BIT:DIA): Is the Diagnostics Leader Undervalued After Latest Share Price Moves?

DiaSorin (BIT:DIA) has drawn fresh attention from investors after a swing in its share price, making some question whether the latest moves signal a new chapter for the diagnostics company. While there is no single headline event behind the recent change, the shift has prompted both seasoned holders and curious onlookers to take a closer look at where things stand for the stock, especially when it comes to valuation. Zooming out, DiaSorin’s performance over the past year shows a steady decline, with shares down nearly 20%, and a deeper slide of roughly 44% over the last five years. Year to date, momentum hasn’t shifted, and results from the past month and quarter have also been negative. Despite these headwinds, the company has continued to show annual revenue and net income growth, signaling that the story behind the numbers might be more nuanced, or that sentiment has shifted around future prospects. With this backdrop, the real question for investors now is: does this downturn signal a potential bargain, or is the market simply catching up to DiaSorin’s true outlook?
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Most Popular Narrative: 21% Undervalued

According to the most widely followed narrative, DiaSorin is currently trading at a 21% discount to its estimated fair value, reflecting a potentially compelling opportunity for investors if the underlying assumptions play out.

Continued rollout and growth of high-value specialty and multiplex molecular panels (such as LIAISON PLEX and targeted MDX) enable DiaSorin to capture higher-margin, differentiated segments aligned with the global trend toward advanced, personalized, and preventive diagnostics. This trend is expected to drive both top-line growth and profitability.

Eager to discover what’s fueling this potential upside? The underlying projections are built on ambitious targets for future growth, margin expansion, and industry-beating metrics. The real story is in the numbers. Find out how bold profit expectations and revenue forecasts could make or break this valuation thesis.

Result: Fair Value of €103.82 (UNDERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

However, ongoing global price competition and exposure to currency swings could pose significant challenges. These factors could potentially limit DiaSorin’s ability to deliver on growth expectations.

Find out about the key risks to this DiaSorin narrative.

Another View: Discounted Cash Flow Perspective

Looking at things through the lens of our DCF model gives a different result. This approach suggests DiaSorin could be overvalued and indicates a disconnect with the earlier optimism. Which method really reflects reality?

Look into how the SWS DCF model arrives at its fair value.
DIA Discounted Cash Flow as at Sep 2025
DIA Discounted Cash Flow as at Sep 2025
Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out DiaSorin for example). We show the entire calculation in full. You can track the result in your watchlist or portfolio and be alerted when this changes, or use our stock screener to discover undervalued stocks based on their cash flows. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

Build Your Own DiaSorin Narrative

If you’re not convinced or prefer to dig deeper, you can analyze the latest figures and shape your own story in just a few minutes, Do it your way.

A great starting point for your DiaSorin research is our analysis highlighting 4 key rewards and 1 important warning sign that could impact your investment decision.

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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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Kshitija Bhandaru

Kshitija Bhandaru

Kshitija (or Keisha) Bhandaru is an Equity Analyst at Simply Wall St and has over 6 years of experience in the finance industry and describes herself as a lifelong learner driven by her intellectual curiosity. She previously worked with Market Realist for 5 years as an Equity Analyst.

About BIT:DIA

DiaSorin

Engages in research and development, manufacture, and distribution of immunodiagnostics and molecular diagnostics testing kits in Europe, North America, and internationally.

Undervalued established dividend payer.

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