Soitec (ENXTPA:SOI) Stock Looks Stretched After AI Spending Concerns

Oct 27, 2026
soitec-(enxtpa:soi)-stock-looks-stretched-after-ai-spending-concerns

Bailey Pemberton

4 min read

Soitec has had a very strong year on the market, which now puts sharper focus on whether the current share price lines up with the revenue the business generates. After a big move in the stock and fresh questions around semiconductor spending, the open issue for investors is how well Soitec’s sales base supports today’s valuation.

  • Year to date, the share price is up about 371.7%, which puts a lot more weight on whether Soitec’s sales can justify such a rapid re-rating.

  • Recent pressure on European chip companies linked to concerns over the financial sustainability of AI infrastructure investment can influence how investors think about Soitec’s future revenue growth and the value they ascribe to its existing sales.

  • There is a second opinion on Soitec worth weighing. See what analysts think Soitec’s shares could be worth.

The issue now is whether Soitec’s current market value is well supported by its sales when set against a Fair Ratio benchmark.

If you are weighing Soitec against other ways to play the same theme, it can help to compare its rerating with companies in the 55 AI infrastructure stocks.

Is Soitec Getting Expensive on Sales?

The P/S ratio is a useful way to think about Soitec because investors often frame the business around its revenue exposure to key chip end markets rather than current earnings.

Soitec trades on a P/S of 7.1x, which is well above the semiconductor industry average of 4.0x and also ahead of the peer group on about 4.0x. A Fair Ratio model that blends Soitec’s growth profile, margins, scale and risk points to a lower P/S level, so the current figure screens as overvalued on this framework. Because recent concerns around the financial sustainability of AI infrastructure spending have already hit European chip stocks, including Soitec, the premium P/S suggests the market is still assigning a relatively rich value to each euro of sales. Explore the numbers behind Soitec’s P/S valuation.

ENXTPA:SOI P/S Ratio as at Oct 2026

ENXTPA:SOI P/S Ratio as at Oct 2026

The Soitec Narrative: What Would Justify Today’s Price?

Narratives for Soitec pick up where the valuation puzzle leaves off by laying out the future paths for growth, margins and earnings that would need to hold for the stock to be worth materially more or less than it is today on Simply Wall St’s Community page. Instead of a single output from a ratio or model, they describe the business conditions that number relies on so you can track whether reality is sticking to that script.

Community views on Soitec split sharply between those who see silicon photonics upside and those who focus on underused capacity and thinner margins.

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