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Shin-Etsu Chemical (4063.T) — chart, structure and Closelooknet read

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Signals for this name

Every Closelooknet reading that exists for 4063.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
4063.T−0.2%+3.4%−2.7%−19.3%
Advanced Materials+0.6%+1.5%+1.5%—
Rubin Build-Out 100+1.7%+5.0%+4.1%—

Against the index: 1.6 pts behind on the week, 6.8 pts behind on the month; against its Advanced Materials sleeve 4.2 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 1 piece · newest: Dossier, “Where to Invest in the AI Chip Constraint Chain” (2026-03-03)

Mentioned on Closelooknet

Where 4063.T appears in the diary — 1 piece, newest first. Every link is our own writing.

Go deeper

Long reads

  • Where to Invest in the AI Chip Constraint ChainDossier · $29 · 3 Mar 202648× Trail P/E 34× Fwd P/E €13.2B Q4 Bookings Shin-Etsu Chemical 4063.T · ¥5,200 Constructive Constraint: #1 silicon wafer maker, 30%+ global share The most under-owned name in the AI chip supply chain.
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 · Advanced Materials · 6 names with week and year-to-date

Peer group

Rubin Build-Out 100 · Advanced Materials

Specialty chemicals, photoresists, and high-purity materials. Quietly indispensable; never the headline.

  • ENTGEntegris Inc
    day
    −1.5%
    vs 50d
    +6.8%
    off high
    −20.5%
    score
    50

    flow: losing force

  • SOI.PASoitec SA
    day
    −4.3%
    vs 50d
    +19.6%
    off high
    −28.1%
    score
    44

    flow: losing force

  • 6981.TMurata Manufacturing
    day
    +2.5%
    vs 50d
    +5.9%
    off high
    −37.8%
    score
    —

    flow: losing force

  • 4004.TResonac
    day
    +0.7%
    vs 50d
    −1.8%
    off high
    −27.0%
    score
    —

    flow: losing force

  • WAF.XETRASiltronic AG
    day
    −2.9%
    vs 50d
    −6.8%
    off high
    −32.7%
    score
    —

    flow: losing force

  • 3436.TSumco
    day
    +0.1%
    vs 50d
    −11.4%
    off high
    −47.5%
    score
    —

    flow: losing force

Compared against 4063.T on the nightly bakes; the Peers tab ranks the cohort on the Closelooknet scores where it exists.

Company snapshot — Shin-Etsu Chemical

4063.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
Shin-Etsu Chemical is a Japanese chemicals manufacturer that produces silicon wafers used in semiconductor fabrication, alongside polyvinyl chloride and other specialty products. It supplies high-purity silicon wafers to chipmakers around the world. It is based in Tokyo.
Where it sits in the stack
In our index, Shin-Etsu sits in Layer 5, Connectivity & Materials, inside the Advanced Materials sleeve — the layer that feeds fabs the specialty chemicals and high-purity inputs a chip needs before any transistor is built. Shin-Etsu is a constraint on wafer supply into fabrication, since foundries cannot start a process without pure silicon stock.
Who it is priced against
Its peer group is the Rubin Build-Out 100's Advanced Materials sleeve, grouped for the same reason: specialty chemicals and high-purity inputs that rarely draw attention on their own. The names alongside it are Soitec, Entegris, Murata, Resonac, Siltronic and Sumco; the market also names Wacker Chemie as a comparable wafer and silicone producer.
Why Closelooknet tracks it
It holds a seat in the Rubin Build-Out 100. It carries a Closelooknet score, but only one module has been scored so far, so the read is still being built. The diary has quoted it once, in a dossier on the AI chip constraint chain, naming it a constraint on wafer supply.
What the diary watches
Whether fab expansion for advanced nodes lifts demand for high-purity wafers faster than new wafer capacity comes online.

Shin-Etsu Chemical (4063.T) trades on the TSE exchange in Japan, and sits in Layer 5 of the build-out stack. Constituent of Rubin Build-Out 100.

Written from the company’s public profile and Closelooknet’s own readings, 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 Shin-Etsu Chemical (4063.T)?

Shin-Etsu Chemical trades as 4063.T on the TSE exchange (Japan) in the Closelooknet research universe, as of the registry build of 2026-09-26.

Is 4063.T in a Closelooknet index?

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

Where does 4063.T trade against its moving averages?

Death cross: Its 50-day crossed below its 200-day today — a death cross, the classic trend-turn-lower. As of 2026-09-25 — a technical state from the nightly Closelooknet bake, not advice. The Technical tab carries the full row.

How is 4063.T doing against its Closelooknet index?

Over the past month Shin-Etsu Chemical is −2.7% against +4.1% for the Rubin Build-Out 100 — 6.8 points behind its index, as of 2026-09-25. Its Advanced Materials sleeve is +1.5% 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 Shin-Etsu Chemical?

Shin-Etsu Chemical appears in 1 Closelooknet piece, most recently Dossier: Where to Invest in the AI Chip Constraint Chain (2026-03-03). What Closelooknet said most recently: 48× Trail P/E 34× Fwd P/E €13.2B Q4 Bookings Shin-Etsu Chemical 4063.T · ¥5,200 Constructive Constraint: #1 silicon wafer maker, 30%+ global share The most under-owned name in the AI chip supply chain. (Dossier, 2026-03-03). The "Mentioned on Closelooknet" block on this page lists the long reads, the reference entries and the dailies that name it.

What does Shin-Etsu Chemical do?

Shin-Etsu Chemical is a Japanese chemicals manufacturer that produces silicon wafers used in semiconductor fabrication, alongside polyvinyl chloride and other specialty products. It supplies high-purity silicon wafers to chipmakers around the world. It is based in Tokyo. Its peer group is the Rubin Build-Out 100's Advanced Materials sleeve, grouped for the same reason: specialty chemicals and high-purity inputs that rarely draw attention on their own. The names alongside it are Soitec, Entegris, Murata, Resonac, Siltronic and Sumco; the market also names Wacker Chemie as a comparable wafer and silicone producer.

Where does Shin-Etsu Chemical sit in the AI build-out?

In our index, Shin-Etsu sits in Layer 5, Connectivity & Materials, inside the Advanced Materials sleeve — the layer that feeds fabs the specialty chemicals and high-purity inputs a chip needs before any transistor is built. Shin-Etsu is a constraint on wafer supply into fabrication, since foundries cannot start a process without pure silicon stock. It holds a seat in the Rubin Build-Out 100. It carries a Closelooknet score, but only one module has been scored so far, so the read is still being built. The diary has quoted it once, in a dossier on the AI chip constraint chain, naming it a constraint on wafer supply.

What does this page show?

A live price chart with SMA overlays and drawing tools for 4063.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.