chartexchange

MKSI
MKS Inc. Common Stock
stockNASDAQ

Market OpenNov 6, 2026 11:28:17 AM EST
188.00USD+6.323%(+11.18)432,385
Pre-marketNov 6, 2026 9:27:30 AM EST
196.91USD+11.362%(+20.09)
175.21Bid198.38Ask23.17Spread
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Technology
Scientific & Technical Instruments
HQ
Andover, MA, USA
Previous Close
$177.16
Beta
2.75
52-Week High
$447.62 2026-06-30
52-Week Low
$134.74 2025-11-21
SMA 50
$241.71
SMA 200
$277.80
Avg. Vol 10D
1.53M
Avg. Vol 30D
1.39M
Avg. Vol 90D
1.40M
Relative Vol
0.28
67.22M
0.2800%
1,400,000
43,657
Aug 25, 2026 · $0.250
MKSI Profile

mks instruments, inc. (nasdaq: mksi) is a global provider of instruments, subsystems and process control solutions that measure, control, power, monitor and analyze critical parameters of advanced manufacturing processes to improve process performance and productivity. our products are derived from our core competencies in pressure measurement and control, materials delivery, gas composition analysis, control and information technology, power and reactive gas generation, and vacuum technology. our primary served markets are manufacturers of capital equipment for semiconductor devices, and for other thin film applications including flat panel displays, solar cells, light emitting diodes, data storage media, and other advanced coatings. we also leverage our technology in other markets with advanced manufacturing applications including medical equipment, pharmaceutical manufacturing, energy generation, and environmental monitoring.

MKSI Performance
PeriodPriceDateChangeBeta
1W202.042026-10-30-6.91%1.285
1M281.412026-10-06-33.17%2.245
3M291.312026-08-06-35.44%2.187
6M293.772026-05-06-35.98%3.024
1Y155.252025-11-06+21.14%2.753
2Y103.292024-11-06+82.08%—
5Y160.262021-11-05+17.36%2.156
MKSI Stock Summary

MKS Inc. Common Stock (NASDAQ:MKSI) stock price today is $188.08, and today's volume is 388,599. MKSI is up 6.365% today. The 30 day average volume is 1.39M. MKSI market cap is $12.72B with 67.62M shares outstanding.