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GlobalWafers (6488.TW) — chart, structure and Closelook read

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Company snapshot — GlobalWafers

6488.TW in five paragraphs: what it makes and sells, where it sits in the Closelook stack, who it is priced against, why we track it, what we watch. Research diary, not advice.

What it does
GlobalWafers is a Taiwan-based maker of silicon wafers, the polished discs of silicon that chipmakers pattern into semiconductors. It supplies substrates to foundries and device makers across the industry. The company grew through consolidation of several smaller wafer producers into one of a small number of global suppliers of this material.
Where it sits in the stack
GlobalWafers holds no seat in Closelook's index; the diary files it under the Other sector of our universe, outside the layered stack we track for chip build-out names.
Who it is priced against
Closelook's peer group entry is empty for GlobalWafers; the market's usual comparison is Shin-Etsu Handotai, the other major silicon wafer maker for semiconductor fabrication.
Why Closelook tracks it
GlobalWafers carries a score in the diary, but only one module is populated so far, so the score is still being built. It holds no index seat and appears in no quoted edition to date.
What the diary watches
The diary watches whether GlobalWafers' shares recover toward their longer-run average after falling well off a recent high, and whether wafer demand tied to AI chip production feeds through to volumes.

GlobalWafers (6488.TW) trades on the TW exchange in Taiwan, classified under Other.

Written from the company’s public profile and Closelook’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.

Signals for this name

Every Closelook reading that exists for 6488.TW, 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 Closelook index and its own sleeve — equal-weight, nightly closes.

Rubin Build-Out 100 · as of 2026-09-17

DayWeekMonth3 months
6488.TW−2.7%−0.5%−7.2%−18.2%
Advanced Materials−1.1%−4.1%−4.7%—
Rubin Build-Out 100+1.5%−2.2%−2.9%—

Against the index: 1.7 pts ahead on the week, 4.3 pts behind on the month; against its Advanced Materials sleeve 2.5 pts behind on the month.

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

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 55/100 · S&P 500 fund at 58, above its 50- and 200-day averagesEight instruments scored on position, momentum, volume, volatility and fragility — the regime every name trades inside. Temperature lab → 2026-09-17
  • Factor regime Momentum leading — risk appetite buildingMomentum against low volatility (SPMO / SPLV): above its 50-day trend, 94th percentile of the window, +2.7% over 20 sessions. Factor regime → 2026-09-17
  • Sovereign pressure Index 0.00 · down 0.41 over 21 sessionsG7 long-end yields, 10s30s and the slope — the funding weather for every balance sheet on this site. Sovereign pressure → 2026-09-17

FAQ · from the current data · as of 2026-09-18

Quick answers

What is GlobalWafers (6488.TW)?

GlobalWafers trades as 6488.TW on the TW exchange (Taiwan) and is classified under Other in the Closelook research universe, as of the registry build of 2026-09-18.

Is 6488.TW in a Closelook index?

Not currently — GlobalWafers is tracked in the Closelook research universe but is not a constituent of a Closelook functional index as of 2026-09-18.

Where does 6488.TW trade against its moving averages?

Stochastic turned up: Its stochastic crossed up out of oversold (%K 34.3 over %D 29.5) 2 sessions ago — a short-term momentum-turn signal. As of 2026-09-17 — a technical state from the nightly Closelook bake, not advice. The Technical tab carries the full row.

How is 6488.TW doing against its Closelook index?

Over the past month GlobalWafers is −7.2% against −2.9% for the Rubin Build-Out 100 — 4.3 points behind its index, as of 2026-09-17. Its Advanced Materials sleeve is −4.7% 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.

What does GlobalWafers do?

GlobalWafers is a Taiwan-based maker of silicon wafers, the polished discs of silicon that chipmakers pattern into semiconductors. It supplies substrates to foundries and device makers across the industry. The company grew through consolidation of several smaller wafer producers into one of a small number of global suppliers of this material. Closelook's peer group entry is empty for GlobalWafers; the market's usual comparison is Shin-Etsu Handotai, the other major silicon wafer maker for semiconductor fabrication.

Where does GlobalWafers sit in the AI build-out?

GlobalWafers holds no seat in Closelook's index; the diary files it under the Other sector of our universe, outside the layered stack we track for chip build-out names. GlobalWafers carries a score in the diary, but only one module is populated so far, so the score is still being built. It holds no index seat and appears in no quoted edition to date.

What does this page show?

A live price chart with SMA overlays and drawing tools for 6488.TW, performance metrics, index-membership context and the Closelook structure read — an investment research diary view, not investment advice.