MKS Instruments, Inc. (MKSI) Stock Chart
MKSI price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
MKSI performance vs the market
Total return, dividends reinvestedMKSI monthly returns
MKSI historical prices
MKSI dividends & splits
About the MKSI chart
MKS Instruments (MKSI) closed at $214.83 on October 16, 2026, up 34.8% so far this year. The stock is trading 22.3% below its 200-day moving average of $276.38, which technical analysts usually read as a long-term downtrend. Over the past year MKSI returned +56.6% including dividends, ahead of the S&P 500 (+16.8%).
This page charts the full trading history of MKS Instruments, Inc. stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the MKSI stock overview.
MKSI chart FAQ
What is MKS Instruments's all-time high stock price?
The highest closing price for MKSI was $444.80 on June 30, 2026 (adjusted for stock splits). As of the October 16, 2026 close it traded 51.7% below that level.
What is the 52-week range of MKSI stock?
Over the 52 weeks to October 16, 2026, MKSI traded between an intraday low of $130.72 on October 22, 2025 and an intraday high of $447.62 on June 30, 2026.
Is MKSI above its 200-day moving average?
No. On October 16, 2026 MKSI closed at $214.83, 22.3% below its 200-day simple moving average of $276.38. The 50-day average was $266.26.
How has MKSI stock performed compared with the S&P 500?
Including reinvested dividends, MKSI returned +56.6% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were +54.1% and +83.0%.
Does MKS Instruments pay a dividend?
Yes. MKS Instruments paid $0.97 per share in dividends over the past 12 months (4 payments), a yield of about 0.45% at the latest close. The most recent dividend of $0.25 per share had an ex-dividend date of August 25, 2026.
How do I read the MKSI chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots MKSI against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.