MKS Instruments Inc (MKSI) — chart, structure and Closelook read

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Signals for this name

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

Vacuum, gas-delivery, and ultra-high-purity fluids. The fab plumbing without which the headline tools are paperweights.

Compared against MKSI 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
MKSI+1.6%−12.2%−26.6%−35.8%
Fab Subsystems & Process Infra+1.1%−8.0%−17.6%
Rubin Build-Out 100+1.9%−5.3%−7.4%

Against the index: 6.9 pts behind on the week, 19.2 pts behind on the month; against its Fab Subsystems & Process Infra sleeve 9.0 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 MKS Instruments Inc

MKS Instruments Inc (MKSI) trades on US exchanges, classified under Technology. It is a constituent of Rubin Build-Out 100, sitting in Layer 6 of the build-out stack.

The Closelook company score reads 46/100 composite (momentum 33, quality 46, valuation 46) 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: index compare · sector dispersion · scanner.

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

Quick answers

What is MKS Instruments Inc (MKSI)?

MKS Instruments Inc trades as MKSI 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 MKSI in a Closelook index?

Yes — MKS Instruments Inc is a constituent of Rubin Build-Out 100, as of 2026-09-17.

What is MKS Instruments Inc's Closelook composite score?

46 out of 100, with momentum 33, quality 46 and valuation 46 sub-scores, as of 2026-09-17. Scores are Closelook's own research readings, not ratings or investment advice.

Where does MKSI trade against its moving averages?

Resizing — 48.3% off its high: 48.3% below its 52-week high, under its 200-day — a deeper resizing of the trend, not a shallow dip. As of 2026-09-15 — a technical state from the nightly Closelook bake, not advice. The Technical tab carries the full row.

How is MKSI doing against its Closelook index?

Over the past month MKS Instruments Inc is −26.6% against −7.4% for the Rubin Build-Out 100 — 19.2 points behind its index, as of 2026-09-16. Its Fab Subsystems & Process Infra sleeve is −17.6% 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 MKS Instruments Inc?

MKS Instruments Inc appears in 2 Closelook pieces, most recently Morning 10: The counter-test gets paid — CoreWeave +16% overnight as Seoul melts up into CPI (2026-08-12); Daily Pulse: Step One: Trimming the Infra-AI Side (2026-06-27). What Closelook said most recently: The scanner's clustered support tests (Horiba 6856 and Teradyne green-flagged; FMX, MKSI, Lasertec 6920 amber) resolve on the same whistle. (Morning 10, 2026-08-12). 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 MKSI, performance metrics, index-membership context and the Closelook structure read — an investment research diary view, not investment advice.

Mentioned on Closelook

Where MKSI appears in the diary — 2 pieces, newest first. Every link is our own writing.

Dailies

Related in the Closelook universe