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Is FormFactor (FORM) Undervalued After Its Sharp Rally This Year?

Simply Wall St·09/10/2026 10:23:14
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FormFactor (FORM) has attracted fresh attention after a strong year-to-date share gain, with the stock closing at US$114.18. Investors are weighing that move against the company’s recent mixed short term performance.

The recent 18.22% 7 day share price return, on top of a 92.90% year to date share price gain, suggests momentum in FormFactor is still running. This is the case even though the 90 day share price return declined 12.33% and the 1 year total shareholder return sits near 3x.

Scan how FormFactor’s momentum compares with other chip-related plays by checking the hand picked 89 AI infrastructure stocks that is fueling demand across the semiconductor test and equipment space.

FormFactor is clearly doing something right in chip testing, yet a near 3x one year total return and a US$8.6b market value raise a sharper issue. Are you paying for quality or overpaying for excitement?

Most Popular Narrative: 17.6% Undervalued

FormFactor’s most followed valuation story pegs fair value at about $138.63, which sits above the recent $114.18 close and frames the current enthusiasm in a different light.

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)

Read the complete narrative. Read the complete narrative.

Want to see what sits behind that valuation gap? The narrative leans heavily on sharper earnings power, thicker margins, and a richer revenue mix tied to AI test demand. Curious which growth and profitability assumptions are carrying most of that weight?

Result: Fair Value of $138.63 (UNDERVALUED)

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

Still, the bullish FormFactor narrative can crack if customer concentration keeps quarterly results choppy or if tariffs and higher operating costs limit those record margin ambitions.

Find out about the key risks to this FormFactor narrative.

Next Steps

Mixed signals around FormFactor can leave you torn, so act promptly, consider both the potential benefits and the caution flags, then weigh the 3 key rewards and 3 important warning signs.

Looking for more investment ideas beyond FormFactor?

You have already done the work to understand FormFactor. Do not stop there when other opportunities might suit your risk level, time horizon, and income needs.

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.