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FormFactor (FORM), Why Is It Drawing Fresh Attention?

Simply Wall St·10/11/2026 01:37:52
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FormFactor (FORM) just graduated out of the small cap club, leaving the S&P 600 Information Technology index and joining the mid cap focused S&P 400 and its tech sector counterpart.

Recent price action has been lively for FormFactor. The share price is US$139.67, with a 1 day share price return of 1.85% and a 30 day share price return of 21.5%. The 1 year total shareholder return of 266.2% points to powerful longer term momentum that the index move could further spotlight for new investors.

Scan beyond FormFactor and see how it stacks up against a curated group of resilient mid and large cap peers in our 31 resilient stocks with low risk scores.

FormFactor has already delivered a striking run and a fresh index upgrade. The valuation question now is whether meaningful upside still lies ahead or whether most of the gains are already in the rear-view mirror.

Most Popular Narrative: 4% Undervalued

On Simply Wall St's most followed narrative, FormFactor screens as modestly undervalued, with a fair value of $145.44 against the recent $139.67 close. That gap rests on a very specific AI-heavy test equipment story.

Accelerating adoption of generative AI, high-performance computing, and HBM DRAM in data centers is driving substantial increases in test complexity and intensity. FormFactor's differentiated probe cards and early leadership in HBM4 chiplet testing position the company to benefit from higher ASPs and revenue growth as these markets scale. (Impacts: Revenue, potential margin improvement)

See why 17 investors see FormFactor as 4% undervalued.

Result: Fair Value of $145.44 (UNDERVALUED)

Still, the FormFactor story can quickly look different if customer concentration in HBM and GPU probe cards leads to choppy orders, or if tariffs and higher operating costs continue to pressure margins.

Find out about the key risks to this FormFactor narrative.

Another Angle On FormFactor’s Valuation

The story so far paints FormFactor as modestly undervalued on analyst targets and narrative fair value. The preferred P/E view tells a very different story. The stock trades on a 94.5x P/E, almost double its fair ratio of 47.2x and well above the Semiconductor industry on 49.7x and peers on 53.3x. That kind of gap can either compress sharply if expectations cool or stay elevated if growth plays out as forecast. Which side of that trade do you think you are on?

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

NasdaqGS:FORM P/E Ratio as at Oct 2026
NasdaqGS:FORM P/E Ratio as at Oct 2026

Next Steps

Mixed signals around FormFactor's valuation and expectations do not need to leave you on the fence. You can dig into the underlying data, weigh both the concerns and upside, and then anchor your own view with the full breakdown of 3 key rewards and 2 important warning signs.

Looking for more FormFactor-sized investment ideas?

If FormFactor has your attention, do not stop here. You could miss other opportunities that fit your approach just as well or even better.

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.