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Advantest (6857.T) — chart, structure and Closelooknet read

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The desk on 6857.T

What this diary said about Advantest, what it holds and what would change its view — in its own words, dated. Investment diary, not advice.

What we said

What we hold

BookPositionSinceResult
AI Cycle 2030 (wikifolio) ↗ 15 shares · average entry €140.94 — —
Closelooknet (wikifolio) ↗ 55 shares · average entry €157.48 — —

Model books as of the latest close; wikifolio positions from the official wikifolio data, entries in euros. Results are unrealised, before any exit. A record of what the diary does, not a recommendation to do the same.

Our record on 6857.T

Every scored call, pick and trade this diary has made on Advantest, with the outcome where it is known.

Charts from the desk on 6857.T

The charts this diary drew or picked on Advantest, as published — each dated and linked to the piece that explains it.

Signals for this name

Every Closelooknet reading that exists for 6857.T, from the same nightly bakes the boards use. Research diary readings, not advice.

Versus its index Rubin Build-Out 100 — the name, its sleeve and the index over day, week and month

Versus its index

The name against its Closelooknet index and its own sleeve — equal-weight, nightly closes.

Rubin Build-Out 100 · as of 2026-09-25

DayWeekMonth3 months
6857.T+2.8%+12.7%−1.4%+8.2%
Testing & Metrology+3.2%+7.2%+7.8%—
Rubin Build-Out 100+1.7%+5.0%+4.1%—

Against the index: 7.7 pts ahead on the week, 5.5 pts behind on the month; against its Testing & Metrology sleeve 9.2 pts behind on the month.

Returns from the index workers’ nightly closes; equal-weight sleeves. A relative reading from the research diary, not advice.

Mentioned on Closelooknet 11 pieces · newest: Morning 10, “Rates — the 30-year hits its highest since 2004; Oracle and Arm sold, Meta and Intel bought, Nasdaq ends flat” (2026-09-25)

Mentioned on Closelooknet

Where 6857.T appears in the diary — 11 pieces, newest first. Every link is our own writing.

Go deeper

Long reads

Dailies

Weather around the name 3 macro readings: Money Temperature, Factor regime, Sovereign pressure

The weather around this name

Macro readings that apply by membership — the regime, the factor tape, the sector cell, the funding backdrop.

  • Money Temperature Composite 62/100 · S&P 500 fund at 67, bullish alignedEight instruments scored on position, momentum, volume, volatility and fragility — the regime every name trades inside. Temperature lab → 2026-09-25
  • Factor regime Momentum leading — risk appetite buildingMomentum against low volatility (SPMO / SPLV): above its 50-day trend, 99th percentile of the window, +8.4% over 20 sessions. Factor regime → 2026-09-25
  • Sovereign pressure Index 0.61 · up 0.29 over 21 sessionsG7 long-end yields, 10s30s and the slope — the funding weather for every balance sheet on this site. Sovereign pressure → 2026-09-25
Who it is priced against Rubin Build-Out 100 · Testing & Metrology · 8 names with week and year-to-date

Peer group

Rubin Build-Out 100 · Testing & Metrology

ATE testers, inspection, and metrology vendors. The constraint that keeps yield curves honest at every node shrink.

Compared against 6857.T on the nightly bakes; the Peers tab ranks the cohort on the Closelooknet scores where it exists.

Company snapshot — Advantest

6857.T in five paragraphs: what it makes and sells, where it sits in the Closelooknet stack, who it is priced against, why we track it, what we watch. Research diary, not advice.

What it does
Advantest makes the automated test equipment that every chip passes through before it ships: system-on-chip testers for processors and AI accelerators, memory testers for DRAM and high-bandwidth memory, test handlers that move devices through the testers, and system-level test cells that exercise a finished package as it will be used. Its customers are chip designers, foundries, memory makers and the assembly-and-test houses. It is based in Tokyo and, together with Teradyne, forms most of the world’s market for semiconductor test.
Where it sits in the stack
In Rubin, Advantest sits in Layer 3, Testing & Metrology — the stage that decides whether a die made at the foundry and stacked in the packaging plant actually works. Test time grows with chip complexity, so AI accelerators and high-bandwidth memory need more test per unit than the chips they replace; the test layer is where the build-out’s volume shows up as hours on a machine.
Who it is priced against
The name the market compares it with is Teradyne; inside its Rubin sleeve it sits with the metrology and inspection names — KLA, Onto Innovation, Camtek and Technoprobe.
Why Closelooknet tracks it
It is a Rubin constituent and one of the index’s Japanese names; the Morning 10 quotes it on the Tokyo open when the equipment layer moves.
What the diary watches
Whether test intensity per accelerator and per memory stack keeps rising as chips get larger, and whether the equipment names are sold together when the market questions the next round of tool orders.

Advantest (6857.T) trades on the TSE exchange in Japan, and sits in Layer 3 of the build-out stack. Constituent of Rubin Build-Out 100.

Written by the Closelooknet desk, 2026-09-17. Descriptive, refreshed with the registry; corrections welcome via the imprint. closelook.net is an investment research diary — market structure, index membership and scores are our own readings, not investment advice. Related: index compare · sector dispersion · scanner.

FAQ · from the current data · as of 2026-09-26

Quick answers

What is Advantest (6857.T)?

Advantest trades as 6857.T on the TSE exchange (Japan) in the Closelooknet research universe, as of the registry build of 2026-09-26.

Is 6857.T in a Closelooknet index?

Yes — Advantest is a constituent of Rubin Build-Out 100, as of 2026-09-26.

Where does 6857.T trade against its moving averages?

Reclaimed its 50-day: Closed back above its 50-day line 2 sessions ago, with the 200-day still rising beneath it. As of 2026-09-25 — a technical state from the nightly Closelooknet bake, not advice. The Technical tab carries the full row.

How is 6857.T doing against its Closelooknet index?

Over the past month Advantest is −1.4% against +4.1% for the Rubin Build-Out 100 — 5.5 points behind its index, as of 2026-09-25. Its Testing & Metrology sleeve is +7.8% over the same month. The “Versus its index” table on this page carries the day, the week and the month for the name, its sleeve and the index.

Where has Closelooknet written about Advantest?

Advantest appears in 11 Closelooknet pieces, most recently Morning 10: Rates — the 30-year hits its highest since 2004; Oracle and Arm sold, Meta and Intel bought, Nasdaq ends flat (2026-09-25); Morning 10: Rates — the 10-year closes at 5.11% and the 5-year hits 5%; Tokyo reopens higher, chip-equipment makers lead (2026-09-24); Morning 10: Asian Chips — Korea’s chip exports more than tripled and the Kospi touched 7,000, with Tokyo shut (2026-09-21). What Closelooknet said most recently: Tokyo extended its gains: Nikkei 225 66,356.13 (+1.29%) at 05:52 UTC; Tokyo Electron +4.56%, Advantest +2.48%, Kioxia +2.02%; SoftBank -2.68%; the yen firmer at 158.18 per dollar (Morning 10, 2026-09-25). The "Mentioned on Closelooknet" block on this page lists the long reads, the reference entries and the dailies that name it.

Does Closelooknet hold Advantest?

Yes — AI Cycle 2030 (wikifolio): 15 shares · average entry €140.94; Closelooknet (wikifolio): 55 shares · average entry €157.48. A record of what the diary does, not a recommendation to do the same.

What does Advantest do?

Advantest makes the automated test equipment that every chip passes through before it ships: system-on-chip testers for processors and AI accelerators, memory testers for DRAM and high-bandwidth memory, test handlers that move devices through the testers, and system-level test cells that exercise a finished package as it will be used. Its customers are chip designers, foundries, memory makers and the assembly-and-test houses. It is based in Tokyo and, together with Teradyne, forms most of the world’s market for semiconductor test. The name the market compares it with is Teradyne; inside its Rubin sleeve it sits with the metrology and inspection names — KLA, Onto Innovation, Camtek and Technoprobe.

Where does Advantest sit in the AI build-out?

In Rubin, Advantest sits in Layer 3, Testing & Metrology — the stage that decides whether a die made at the foundry and stacked in the packaging plant actually works. Test time grows with chip complexity, so AI accelerators and high-bandwidth memory need more test per unit than the chips they replace; the test layer is where the build-out’s volume shows up as hours on a machine. It is a Rubin constituent and one of the index’s Japanese names; the Morning 10 quotes it on the Tokyo open when the equipment layer moves.

What does this page show?

A live price chart with SMA overlays and drawing tools for 6857.T, performance metrics, index-membership context and the Closelooknet structure read — an investment research diary view, not investment advice.

Related in the Closelooknet universe

same Closelooknet index seat first. Scored names rank on their Closelooknet score; names without one rank on trend state — above or below their 50- and 200-day averages — never on a score they do not carry.