Amphenol Corporation (APH) — chart, structure and Closelook read

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Signals for this name

Every Closelook reading that exists for APH, from the same nightly bakes the boards use. Research diary readings, not advice.

Optical transceivers, switching silicon, networking IP. The fabric that turns isolated GPUs into clusters.

Compared against APH on the nightly bakes; the Peers tab ranks the cohort on the Closelook scores where it exists.

Versus its index

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

Rubin Build-Out 100 · as of 2026-09-16

DayWeekMonth3 months
APH−0.5%−5.0%−9.6%−2.6%
High-Speed Interconnects+4.6%−6.1%−9.2%
Rubin Build-Out 100+1.9%−5.3%−7.4%

Against the index: 0.3 pts ahead on the week, 2.2 pts behind on the month; against its High-Speed Interconnects sleeve 0.4 pts behind on the month.

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

The weather around this name

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

About Amphenol Corporation

Amphenol Corporation (APH) trades on US exchanges, classified under Technology. It is a constituent of Rubin Build-Out 100, sitting in Layer 5 of the build-out stack.

The Closelook company score reads 59/100 composite (momentum 58, quality 69, valuation 35) across 7 modules — the full three-layer breakdown, chart structure and analog history load live above.

closelook.net is an investment research diary — market structure, index membership and scores are our own readings, not investment advice. Related: APH news on the tape · index compare · sector dispersion · scanner.

FAQ · from the current data · as of 2026-09-17

Quick answers

What is Amphenol Corporation (APH)?

Amphenol Corporation trades as APH on the US exchange (US) and is classified under Technology in the Closelook research universe, as of the registry build of 2026-09-17.

Is APH in a Closelook index?

Yes — Amphenol Corporation is a constituent of Rubin Build-Out 100, as of 2026-09-17.

What is Amphenol Corporation's Closelook composite score?

59 out of 100, with momentum 58, quality 69 and valuation 35 sub-scores, as of 2026-09-17. Scores are Closelook's own research readings, not ratings or investment advice.

Where does APH trade against its moving averages?

Widest analyst gap: 13% off its high — yet the $176 consensus implies +126.2%. As of 2026-09-15 — a technical state from the nightly Closelook bake, not advice. The Technical tab carries the full row.

How is APH doing against its Closelook index?

Over the past month Amphenol Corporation is −9.6% against −7.4% for the Rubin Build-Out 100 — 2.2 points behind its index, as of 2026-09-16. Its High-Speed Interconnects sleeve is −9.2% 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 Closelook written about Amphenol Corporation?

Amphenol Corporation appears in 1 Closelook piece, most recently Morning 10: Korea crashes again, Iran strikes — and Advantest raises its year 35% (2026-07-29). What Closelook said most recently: 7.13 / $60.2B), alongside ARM, QCOM, LRCX, VRT and APH. (Morning 10, 2026-07-29). 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 APH, performance metrics, index-membership context and the Closelook structure read — an investment research diary view, not investment advice.

Mentioned on Closelook

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

Dailies

Related in the Closelook universe