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FormFactor (FORM) Wins A Buy Upgrade, Is The Stock Now Too Pricey?

Simply Wall St·09/30/2026 22:22:49
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FormFactor (FORM) drew fresh attention after a Wall Street analyst shifted the stock to a buy rating, a clear vote of confidence that coincided with a sharp move higher in the share price.

Over the past year, FormFactor has shifted from a quieter performer to one attracting far more attention. A 30 day share price return of 48.51% and a year to date share price return of 152.44% have helped fuel interest around the fresh rating change.

Scan for other chip equipment stocks showing similar momentum to FormFactor by focusing on our hand picked list of 90 AI infrastructure stocks.

FormFactor has sprinted ahead, and a fresh buy call has added fuel to a rally that moved even faster than the new target price. Does that sharp jump justify paying up now, or does patience make more sense as valuation comes into focus?

Most Popular Narrative: 8% Overvalued

FormFactor last closed at $149.42, while the most followed narrative pegs fair value around $138.63. This suggests a relatively rich valuation that depends on strong AI and margin assumptions.

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 16 investors see FormFactor as 8% overvalued.

Result: Fair Value of $138.63 (OVERVALUED)

Still, the bullish FormFactor story relies on assumptions that margin targets hold and that customer concentration does not turn order volatility into earnings whiplash.

Find out about the key risks to this FormFactor narrative.

Another View on FormFactor’s Valuation

While the most followed FormFactor narrative tags the stock as 8% overvalued against a roughly $138.63 fair value, the SWS DCF model tells a different story. On that framework, FormFactor at $149.42 screens about 27.8% below an estimated future cash flow value of $206.91. That raises a simple question for investors: Is the crowd leaning too hard on headline multiples and short term sentiment?

Look into how the SWS DCF model arrives at its fair value.

FORM Discounted Cash Flow as at Sep 2026
FORM Discounted Cash Flow as at Sep 2026

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out FormFactor 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 32 high quality undervalued stocks. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

Next Steps

Sentiment around FormFactor is clearly split between optimism and caution. Consider moving quickly, reviewing the underlying data, and then weighing the 3 key rewards and 2 important warning signs.

Looking for more investment ideas beyond FormFactor?

If FormFactor has your attention, use that momentum. Put fresh ideas on your radar with a few minutes of focused screening and avoid leaving potential upside on the table.

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.