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MKS Inc.
$192.27▲ 8.74% today
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Why MKS Inc. (MKSI) stock moved

Updated Nov 7, 2026

MKS Inc. (MKSI) shares climbed 8.7% to $192.27 as of November 7, 2026, a significant gain from the prior close of $176.82. BestStocks flagged the session as a major change for MKSI. Below, we break down what changed for MKSI, why it matters for investors, how the stock reacted, and the catalysts on the calendar.

What happened

MKSI climbed 8.7% to $192.27

MKSI climbed 8.7% in its latest session, moving from $176.82 to $192.27.

ValuationMedium confidence
Rel. volume
1.9×
Above Avg
Vs peers
—
No comparable peers
Market cap
$13.0B
NASDAQ Global Select
Analyst target
$425
+120.9% vs price
Price chart
Oct 7 – Nov 6
VVFENVVVNVV$176$225$274Oct 7Oct 15Oct 22Oct 30Nov 6
E earnings
F filing
A analyst
V/N other
click a marker to highlight
Change events — click to jump to details

What it means for MKS Inc. investors

For MKS Inc. investors, the balance of recent signals points to a bullish shift. On the constructive side: Earnings beat with positive market reaction; Strong 8.7% price move with conviction. Weighing against that: MKS Inc. (MKSI) fell 8.98% to $196.75 intraday, with volume at 0.76x expected levels for this time of day; MKS Inc. declined 2.99% to $221.68 intraday with no immediate catalyst identified in available sources. Wall Street's consensus price target sits at $424.67, implying +120.9% upside from $192.27. BestStocks rates the overall signal quality medium (65/100). With earnings roughly 101 days out, the next report is the most likely near-term test of the move.

MKSI price reaction

MKSI last traded at $192.27, up $15.45 (+8.74%) from the previous close of $176.82. The session traded on 1.9× average volume (above avg), so the move carried above-average conviction. Over the past month the stock has ranged between $176.82 and $273.15, and it currently sits about 16% of the way up that band.

Bullish and bearish analyst opinions on MKS Inc. (MKSI)

The consensus analyst price target on MKS Inc. (MKSI) is $424.67, 120.9% above the recent $192.27. Over the past 90 days analysts logged 0 upgrades, 6 maintains, and 0 downgrades. Here is how the bullish and bearish cases on MKSI line up.

The bullish case

  • Wall Street's consensus price target of $424.67 implies +120.9% upside from $192.27.
  • The Street's most bullish target is $600.00 (+212.1%).
  • Earnings beat with positive market reaction.
  • Strong 8.7% price move with conviction.
  • MKS Inc. rallied 6.09% to $208.50, driven by positive sentiment ahead of Q3 earnings (due after market close Nov 4) and a recent strategic expansion announcement.

The bearish case

  • MKS Inc. (MKSI) fell 8.98% to $196.75 intraday, with volume at 0.76x expected levels for this time of day.
  • MKS Inc. declined 2.99% to $221.68 intraday with no immediate catalyst identified in available sources.
Bull vs bear balanceBullish Shift
BearishNeutralBullish

Weighing both sides, BestStocks' composite read of recent signals is bullish, as the bull-versus-bear meter above shows. This is an educational summary of the bull and bear case, not investment advice.

Analyst price targets and ratings are FMP consensus figures as of Nov 7, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.

Analyst expectations
Consensus target: $425+120.9%
= 6 maintains
Citigroup maintained Buy · 2026-11-06
SEC filings watch
10-Q2026-11-05
Quarterly financial results
medium
8-K2026-11-04
Material event — review for impact
high
8-K2026-10-19
Material event — review for impact
high
10-Q2026-08-06
Quarterly financial results
medium
Peer context
MKSI+8.7%

Previous notable changes for MKSI

Valuation2026-11-05-9.3%via Yahoo Finance ↗
MKS Inc. reported strong Q3 2026 results with record $1.41B revenue (54% semiconductor jump on AI demand) and beat Q4 guidance, yet shares fell 6.99% to $181.33 on profit-taking after a prior rally, compounded by a $1.4B convertible notes reclassification to short-term debt triggered by stock appreciation (per finance.yahoo.com and today's 8-K filing). Volume of 2.03x average reflects elevated selling pressure.
Filings2026-11-05-9.3%
MKS Inc. (MKSI) filed a new 10-Q on 2026-11-05.
Material / Earnings2026-11-04-5.0%
MKS Inc. (MKSI) reported EPS of $4.18 vs. consensus estimate of $3.63, beating expectations by 15.2% on 2026-11-04.
News2026-11-04-5.0%
MKS Inc. released third quarter 2026 earnings results, disclosing financial performance and operational metrics.
Upcoming catalysts & outlook
Next earnings
2027-02-16 (est.)
in 101 days
Earnings Release
2027-02-16
High impact
Thesis shift
Bullish Shift
bullish signal
Risk level
High
from change events

Frequently asked questions about MKSI

Why did MKS Inc. (MKSI) stock move?

MKSI climbed 8.7% to $192.27. No single company-specific catalyst was confirmed during the move window, and it looks technical.

How much did MKSI stock rise?

MKSI gained 8.74% ($15.45) versus the prior close of $176.82, last trading at $192.27 on 1.9× average volume.

When is MKS Inc.'s next earnings date?

MKSI's next earnings report is estimated for 2027-02-16 — about 101 days away.

What is the analyst price target for MKSI?

The consensus analyst price target for MKSI is $424.67, about 120.9% above the current $192.27. Over the past 90 days, analysts recorded 0 upgrades, 6 maintains, and 0 downgrades.

How BestStocks tracks MKSI

This page is generated automatically by BestStocks' change-detection system after its price and volume cleared MKSI-specific materiality thresholds, triggering an evidence check. It draws on 20 tracked change events for MKSI, cross-checked against the data sources listed below. Price, volume, and market-capitalization figures are the live intraday quote as of November 7, 2026 and refresh as new information is detected; for companies with multiple share classes, market-cap figures can differ by data source. Analyst price targets and ratings are FMP consensus. This is an educational summary of what changed and why — not personalized investment advice.

Data sources
FMP real-time & historical price dataSEC EDGAR filingsFMP earnings & estimatesCompany news feedsAnalyst ratings & price targets (FMP)Earnings calendar (FMP)
Educational research tool — not personalized investment advice. Data may be delayed.