MKS Inc. (MKSI)

NASDAQ

$260.36

$+3.55

(+1.38%)

After-Hours

MKS Inc. (MKSI) Live Price Chart

Last updated: ⁦2026-09-22 21:30:20⁩. Prices reflect the latest after-hours trading data. Stock price data is sourced from Massive.

Summary

MKS Inc. (MKSI) operates in the INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL sector and is listed on NASDAQ. The stock is currently priced at $260.36, with a market capitalization of $17.05B and a P/E ratio of 39.48. Over the past 52 weeks, its price has ranged from $119.62 to $447.62. This page covers its latest market performance, valuation, price trends and company information.

Key Market Data

Market Cap	$17.05B
Open	$253.50
Day's High	$447.62
Day's Low	$11.38
Previous Close	$256.92
Volume	835.32K
Average Volume	1.45M
P/E Ratio	39.48
52-Week High	$447.62
52-Week Low	$119.62
Dividend Yield	0.36%
Earnings Date	--

MKS Inc. (MKSI) After-Hours Stock Price

MKS Inc. (MKSI) is trading at $259.75 in after-hours trading as of 2026-09-22 21:28:00, up 1.10% ($2.83) from the regular-session close of $256.92.

After-hours trading shows how investors are pricing MKSI after the regular session closes. The current after-hours price is above the regular-session close, indicating positive after-hours sentiment.

MKS Inc. (MKSI) 7-Day Stock Price Change

Over the past seven days, MKS Inc. (MKSI) moved from $267.31 to $260.36, representing a decline of 2.60% ($6.95).

The stock traded between $228.46 and $270.29 during the period. The latest price is near the upper end of the 7-day range, indicating moderate downward.

The average daily volume was 1.32 million shares, down versus the previous seven-day period, indicating lower trading activity.

MKSI 52-Week Price Position

Position in Range: 42.9%

52W Low$119.62

52W High$447.62

MKSI is currently trading at $260.36, placing it 42.9% of the way from its 52-week low of $119.62 to its 52-week high of $447.62. This percentage reflects the stock's relative position within its 52-week trading range, not its valuation or future performance.

What is MKS Inc. (MKSI)?

MKS Inc delivers foundational technology solutions for leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications. The company provides instruments, components, subsystems, systems, process control solutions, and specialty chemicals technology that improve process performance and optimize productivity. Its solutions address challenges of miniaturization and complexity in device manufacturing, enabling increased power, speed, and feature enhancement. MKS Inc operates through three divisions: Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Materials Solutions Division (MSD). The company operates in the United States, which generates maximum revenue, as well as China and other countries.

MKS Inc. Information

Industry	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL
Employees	10300
Exchange	NASDAQ
Company Website	https://www.mksinst.com

How to Buy MKS Inc. (MKSI) Stock on MEXC

Eligible investors can buy real shares of MKS Inc. (MKSI) through MEXC RealStocks. Follow these three steps to open a RealStocks account, transfer USDT, and place a US stock order.

Step 1: Open and Verify Your RealStocks Account

Log in to the MEXC App, go to Trade → RealStocks, and select Open Account. Complete the required account-opening and identity verification process with MEXC's partner licensed broker.

Step 2: Transfer USDT to Your RealStocks Account

Go to Wallets → RealStocks and transfer USDT from your Spot Account to your RealStocks Account. RealStocks are quoted in USD, while account funding can be completed using USDT.

Step 3: Search for MKSI and Place Your Order

Open the RealStocks trading page and search for MKSI. Select a market or limit order, enter the price and quantity as required, review the order details, and submit your order. Once filled, the corresponding real shares will be held in your RealStocks Account.

Frequently Asked Questions (FAQ)

1.What is MKS Inc. (MKSI) stock price today?

MKS Inc. (MKSI) is currently trading at $ 260.36, up 1.34% ($3.44) from the previous close of $ 256.92. Intraday prices update in real time during regular trading hours.

2.Is MKSI stock going up or down today?

As of 2026-09-22 21:28:00, MKSI is trading at $ 260.36, up 1.34% ($3.44) from its previous close of $ 256.92. The stock has traded between $ 11.38 and $ 447.62 during today’s regular session. Past price movements do not guarantee future results.

3.What is MKSI pre-market price?

As of 2026-09-22 21:28:00, MKSI is trading at $ 257.47 in pre-market trading, up 0.21% ($0.54) from the previous close of $ 256.92. Pre-market prices reflect trading activity before the regular session opens and may experience lower liquidity and higher volatility.

4.What is MKSI after-hours price?

As of 2026-09-22 21:28:00, MKSI is trading at $ 259.75 in after-hours trading, up 1.10% ($2.83) from the regular-session close of $ 256.92. After-hours prices may differ from the regular session’s opening price due to lower liquidity and wider bid-ask spreads.

5.Is MKSI stock trading now?

MKSI trades on the NASDAQ exchange during regular hours, Monday through Friday, 9:30 AM to 4:00 PM ET, excluding public holidays. Pre-market and after-hours trading are also available through select brokers outside these hours.

6.Where does MKSI sit relative to its 52-week high and low?

Over the past 52 weeks, MKSI has traded between a low of $ 119.62 and a high of $ 447.62. At $ 260.36, the stock is positioned 42.9% of the way from its 52-week low to its 52-week high, providing context for its current price within the one-year trading range.

7.What sector is MKS Inc. in?

MKS Inc. (MKSI) operates in the INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL sector. Sector classification helps investors compare it with companies exposed to similar market trends and competitive conditions.

8.What is MKS Inc.'s market capitalization and where is it listed?

MKS Inc. is listed on the NASDAQ exchange with a market capitalization of $ 17.05B. Market cap reflects the total market value of all outstanding shares and is commonly used to classify stocks by size.

9.How is MKSI valued in terms of P/E ratio and EPS?

MKSI trades at a P/E ratio of 39.48, based on trailing-twelve-month EPS of $ 6.51. P/E ratio compares the stock price to earnings per share and is a common starting point for assessing valuation relative to peers.

10.Does MKS Inc. pay a dividend?

MKS Inc. pays an indicated annual cash dividend of $ 0.94 per share, with a current dividend yield of 0.36% based on the latest share price. Dividend policies are subject to change at the board's discretion.