MKSI Stock Posts

8/5/2026 12:13:31 PM

Unusual Option Volume

MKSI MKS313.66-7.10 (-2.2%)

MKS trades 2,469 contracts. MKSI will report earnings today after the market closes.

8/5/2026 10:05:27 AM

Upcoming Earnings

MKSI MKS321.84+1.08 (+0.3%)

MKS will report earnings after the market closes. View Calendar The market is expecting a ±17.9% move after earnings are reported. The average move for the past 4 quarters of earnings has been ±7.1%. View Expected Move (Conf Call: Aug 6 8:30 AM)

5/6/2026 9:17:46 PM

MKSI #MKS stock increases 8.2% after hours.

After Hours Gainer

MKSI MKS293.77+6.12+2.1%

After Hours:318.00+24.23 (+8.3%)

MKS Inc. Reports First Quarter 2026 Financial Results

Globe NewswireWed, 6-May 4:30 PM

5/6/2026 10:06:02 AM

Upcoming Earnings

MKSI MKS289.16+1.51 (+0.5%)

MKS will report earnings after the market closes. View Calendar The market is expecting a ±10.9% move after earnings are reported. The average move for the past 4 quarters of earnings has been ±7.5%. View Expected Move (Conf Call: May 7 8:30 AM)

2/18/2026 3:48:04 PM

Unusual Option Volume

MKSI MKS248.40-14.54 (-5.5%)

MKS trades 2,744 contracts. News: MKS Inc. Reports Fourth Quarter and Full-Year 2025 Financial Results

View Details...

2/18/2026 9:15:19 AM

MKSI #MKS stock declines -6.8% in premarket,

Premarket Decliner

MKSI MKS262.94+2.20+0.8%

Premarket:245.11-17.83 (-6.8%)

MKS Inc. Reports Fourth Quarter and Full-Year 2025 Financial Results

Globe NewswireTue, 17-Feb 4:30 PM