Stock Analysis

Advantest (TSE:6857) Valuation Check After New AI & HPC Die-Level Testing Collaboration With Tokyo Seimitsu

Advantest (TSE:6857) just put a fresh spotlight on its stock with a new collaboration with Tokyo Seimitsu, targeting die level testing for demanding AI and high performance computing devices.

See our latest analysis for Advantest.

That new AI and HPC collaboration lands after a string of product launches and capital moves, and the market seems to like the direction. The 90 day share price return of 27.8 percent and the 5 year total shareholder return of 993.5 percent suggest momentum is still firmly on Advantest's side.

If this kind of AI driven demand story has your attention, it could be a good moment to explore other high growth tech names through high growth tech and AI stocks.

But with the share price now hovering almost exactly in line with analyst targets and years of explosive gains behind it, investors have to ask whether Advantest still offers upside or if the AI test boom is already priced in.

Most Popular Narrative: 0.1% Undervalued

With Advantest last closing at approximately ¥19,195 against a narrative fair value of about ¥19,218, the story leans on sustained growth and rich multiples.

The analysts have a consensus price target of ¥11467.368 for Advantest based on their expectations of its future earnings growth, profit margins and other risk factors. However, there is a degree of disagreement amongst analysts, with the most bullish reporting a price target of ¥16000.0, and the most bearish reporting a price target of just ¥6000.0.

Read the complete narrative.

Want to see what justifies paying a premium multiple on only moderate growth? The narrative leans on powerful margin assumptions and concentrated earnings bets. Curious how that math still delivers a near perfect match to today’s price?

Result: Fair Value of ¥19,218.42 (ABOUT RIGHT)

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

However, record margins built on one-off tailwinds and an aggressive capacity build out could quickly backfire if AI test demand normalizes or slips.

Find out about the key risks to this Advantest narrative.

Another Angle on Valuation

While the narrative fair value pegs Advantest almost exactly at today’s price, a simple earnings multiple tells a sharper story. The shares trade on about 53 times earnings versus a fair ratio near 37 times and a Japanese semiconductor average below 20 times, so any stumble in AI demand could hit this premium hard.

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

TSE:6857 PE Ratio as at Dec 2025
TSE:6857 PE Ratio as at Dec 2025

Build Your Own Advantest Narrative

If you want to challenge this view or dig into the numbers yourself, you can build a fresh narrative in minutes: Do it your way.

A great starting point for your Advantest research is our analysis highlighting 2 key rewards and 1 important warning sign that could impact your investment decision.

Ready for your next investing move?

Before you move on, put Advantest in context by scanning focused stock shortlists that surface fresh opportunities, hidden risks and potential outperformers in seconds.

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.

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About TSE:6857

Advantest

Manufactures and sells semiconductors, component test systems, and mechatronics-related products in Japan, rest of Asia, the Americas, and Europe.

Outstanding track record with excellent balance sheet.

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