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Nova (NVMI) Leaves The PHLX Semiconductor Index, Is The 31% Undervalued Case Enough?

Simply Wall St · 1d ago

Nova (NasdaqGS:NVMI) has been removed from the PHLX Semiconductor Sector Index, a change that can influence how index funds treat the stock and how investors view its role in the chip sector.

Recent trading has been choppy for Nova, with the share price falling 25.1% over the past 90 days, while it rose 5.1% over the last week and delivered a 19.2% total shareholder return over one year. This suggests fading short term momentum alongside a stronger longer term record.

Scan beyond Nova and see how other chip equipment players are reacting to index reshuffles with our hand picked list of 85 AI infrastructure stocks.

After a sharp 90-day slide and a short bounce, Nova now asks a simple question of you as a holder or would-be buyer: Is patience on price worth more than getting exposure today before valuations are unpacked next?

Most Popular Narrative: 31% Undervalued

Against Nova's last close of $365.73, the most followed narrative pins fair value at $532, which frames the recent pullback as a valuation gap rather than a verdict on the business itself.

The accelerating complexity of semiconductor devices, driven by AI, larger die sizes, advanced nodes, and heterogeneous packaging, continues to fuel demand for Nova's advanced metrology solutions across both logic/foundry and memory segments, which is poised to lift long-term revenue growth as global digitization trends expand.

See why 23 investors see Nova as 31% undervalued.

Result: Fair Value of $532 (UNDERVALUED)

Still, Nova’s reliance on a handful of advanced node and gate all around customers, along with exposure to shifting China trade policies, could quickly challenge that 31% undervalued story.

Find out about the key risks to this Nova narrative.

Another View On Nova’s Valuation

The 31% undervalued narrative leans on analyst fair value, yet Nova’s own ratios tell a more complicated story. The stock trades on a P/E of 43x, which is lower than the US Semiconductor average at 49.3x but well above its fair ratio of 31.1x. That gap suggests investors are already paying a premium that could compress if enthusiasm cools.

So is Nova a bargain on sector comparisons or a rich proposition when judged against its own fair ratio, and which signal carries more weight for you?

See what the numbers say about this price — find out in our valuation breakdown.

NasdaqGS:NVMI P/E Ratio as at Sep 2026
NasdaqGS:NVMI P/E Ratio as at Sep 2026

Next Steps

If the mix of risks and rewards around Nova feels finely balanced, now is the time to dig into the details and decide where you land. To see both sides laid out clearly, start with the 4 key rewards and 1 important warning sign.

Looking For More Ideas Beyond Nova?

If Nova has your attention today, broaden your watchlist with a few targeted searches that could surface opportunities you have not considered yet.

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.