Yahoo · Oct 31, 2026
Are Options Traders Betting on a Big Move in MKSI Stock?
Investors need to pay close attention to MKSI stock based on the movements in the options market lately.
MK
NASDAQ · MKSI
MKS Inc.
Technology · Hardware, Equipment & Parts
$202.04
Down-$14.13 (-6.54%)
Updated Nov 1, 2026, 3:02 PM
SID Score
5.1/10
Composite research score
Smart Money
58/100
Neutral
- Market cap
- 11.2B
- P/E ratio
- 40.36
- Dividend yield
- 0.44%
- 52-week range
- $134.74 – $447.62
- Volume
- 1.38M
- Avg. volume
- 1.14M
Price performance · MKSI
MKSI price history
1M range · 20 trading sessions · Daily adjusted prices
Prices through Oct 30, 2026
MKSI closed at $202.04 after 20 trading sessions, down 27.97% for the selected period.
- Last close
- $202.04
- Period change
- -27.97%
- Period low
- $196.11
- Period high
- $281.41
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 30, 2026 | $200.99 | $206.845 | $196.20 | $202.04 | 1.38M |
| Oct 29, 2026 | $216.665 | $222.30 | $214.50 | $216.17 | 769.99K |
| Oct 28, 2026 | $218.68 | $220.41 | $214.35 | $218.24 | 972.91K |
| Oct 27, 2026 | $206.78 | $212.705 | $204.085 | $212.16 | 1.01M |
| Oct 26, 2026 | $198.75 | $205.3329 | $197.032 | $202.28 | 1.05M |
| Oct 23, 2026 | $193.99 | $200.1875 | $192.0094 | $196.55 | 1.15M |
| Oct 22, 2026 | $204.01 | $205.18 | $193.21 | $196.11 | 2.56M |
| Oct 21, 2026 | $220.69 | $220.69 | $213.19 | $216.10 | 1.35M |
| Oct 20, 2026 | $210.565 | $216.82 | $205.6167 | $211.14 | 1.16M |
| Oct 19, 2026 | $221.51 | $223.49 | $215.085 | $215.41 | 1.35M |
| Oct 16, 2026 | $224.395 | $225.79 | $213.95 | $214.83 | 1.6M |
| Oct 15, 2026 | $224.32 | $230.57 | $212.35 | $228.52 | 2.57M |
| Oct 14, 2026 | $241.02 | $244.5392 | $232.20 | $234.50 | 1.68M |
| Oct 13, 2026 | $242.35 | $249.5199 | $238.14 | $247.56 | 1.69M |
| Oct 12, 2026 | $261.18 | $261.18 | $249.81 | $249.91 | 1.37M |
| Oct 9, 2026 | $266.09 | $267.9613 | $256.645 | $264.50 | 636.48K |
| Oct 8, 2026 | $266.69 | $274.07 | $257.595 | $260.38 | 1.28M |
| Oct 7, 2026 | $271.72 | $274.99 | $269.11 | $273.15 | 1.01M |
| Oct 6, 2026 | $285.40 | $286.38 | $276.555 | $281.41 | 1.06M |
| Oct 5, 2026 | $279.79 | $284.21 | $273.60 | $280.50 | 1.13M |
Latest MKSI news
The latest Smart Investors Daily articles mentioning MKSI.
Stock researchCompany · Overview
Company
Market Activity
Research & News
MKSI research
Overview
Company profile and research snapshot.
Company profile
MKS Inc formerly, MKS Instruments Inc is engaged in providing instruments, subsystems, and process control systems used to measure, monitor, deliver, and control parameters of manufacturing processes. The company's product portfolio includes instruments, components, and systems required in manufacturing products such as flat panel displays, medical devices, and electronic materials, among others, used in industrial technologies, semiconductors, life and health sciences, and research and defense markets. The company organizes itself into three reportable business segments: Vacuum Solutions, Photonics Solutions, and Materials Solutions. The Vacuum Solutions segment contributes the majority of the company's revenue.
Visit company websiteAnalyst outlook
Consensus and target data currently published for this company.
- Consensus
- —
- Average target
- $163.40
- Implied upside
- —
- Analysts
- —
| Date | Firm | Rating | Target |
|---|---|---|---|
| Oct 26, 2026 | Morgan Stanley | Overweight | — |
| Sep 17, 2026 | Morgan Stanley | Overweight | — |
| Aug 25, 2026 | Mizuho | Outperform | — |
| Aug 7, 2026 | Citigroup | Buy | — |
| Aug 7, 2026 | Wells Fargo | Equal-Weight | — |
News briefing
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