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Alchip Technologies Ltd (3661.TW) — chart, structure and Closelook read

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Company snapshot — Alchip Technologies Ltd

3661.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
Alchip designs custom application-specific integrated circuits (ASICs) and system-on-chip products for other companies, covering front-end design, physical layout, testing and advanced packaging. It also runs IP integration and verification work, and its chips end up in AI accelerators, high-performance computing, mobile devices and networking equipment. The company is based in Taipei, Taiwan.
Where it sits in the stack
Alchip does not hold a seat in Rubin, our AI build-out index, but it sits in the semiconductor design-service sleeve of our universe. There it works as an outsourced design house that hyperscalers and chip firms hire to turn a specification into a manufacturable chip without building their own design team.
Who it is priced against
Closelook has not built a peer group for Alchip yet; the name the market places alongside it is Broadcom, which runs a similar custom-silicon design business for hyperscale customers.
Why Closelook tracks it
Alchip carries no Closelook index seat and no score yet, and the diary has not quoted it in an edition; our record on it remains a single mention.
What the diary watches
The diary watches whether hyperscale customers keep routing custom AI chip orders to outsourced design houses like Alchip, rather than building that design work in-house.

Alchip Technologies Ltd (3661.TW) trades on the TW exchange in Taiwan.

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 3661.TW, from the same nightly bakes the boards use. Research diary readings, 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 Alchip Technologies Ltd (3661.TW)?

Alchip Technologies Ltd trades as 3661.TW on the TW exchange (Taiwan) in the Closelook research universe, as of the registry build of 2026-09-18.

Is 3661.TW in a Closelook index?

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

Where does 3661.TW trade against its moving averages?

Mixed moving-average stack: Trades -11.3% vs the 50-day and -10.8% vs the 200-day average, 41.6% below the 52-week high and +32.9% off the 52-week low. Computed from daily closes. As of 2026-09-17 — a technical state from the nightly Closelook bake, not advice. The Technical tab carries the full row.

What does Alchip Technologies Ltd do?

Alchip designs custom application-specific integrated circuits (ASICs) and system-on-chip products for other companies, covering front-end design, physical layout, testing and advanced packaging. It also runs IP integration and verification work, and its chips end up in AI accelerators, high-performance computing, mobile devices and networking equipment. The company is based in Taipei, Taiwan. Closelook has not built a peer group for Alchip yet; the name the market places alongside it is Broadcom, which runs a similar custom-silicon design business for hyperscale customers.

Where does Alchip Technologies Ltd sit in the AI build-out?

Alchip does not hold a seat in Rubin, our AI build-out index, but it sits in the semiconductor design-service sleeve of our universe. There it works as an outsourced design house that hyperscalers and chip firms hire to turn a specification into a manufacturable chip without building their own design team. Alchip carries no Closelook index seat and no score yet, and the diary has not quoted it in an edition; our record on it remains a single mention.

Where has Closelook written about Alchip Technologies Ltd?

Alchip Technologies Ltd appears in 1 Closelook piece, most recently Morning 10: AI trade — sellers of compute sold, buyers bought: chips −5.6%, software +5%, SoftBank +7% in Tokyo (2026-09-15). The "Mentioned on Closelook" block on this page lists the long reads, the reference entries and the dailies that name it.

What does this page show?

A live price chart with SMA overlays and drawing tools for 3661.TW, performance metrics, index-membership context and the Closelook structure read — an investment research diary view, not investment advice.

Mentioned on Closelook 1 piece · newest: Morning 10, “AI trade — sellers of compute sold, buyers bought: chips −5.6%, software +5%, SoftBank +7% in Tokyo” (2026-09-15)

Mentioned on Closelook

Where 3661.TW appears in the diary — 1 piece, newest first. Every link is our own writing.

Dailies

Related in the Closelook universe