Markets /Technology /MKSI MKS Inc. MKSI Full chart Compare Add to watchlist Set alert Price alert · MKSI Alert when the price is Price abovePrice below Price level Set alert All alert types 220.23 USD -5.77 (-2.55%) Nov 12, 2026, 10:18 AM EST 214.35 Day range 223.68 134.74 52-week range 447.62 YTD +37.82%1 year +43.78% Overview Chart Financials FinancialsValuation & healthEarnings EarningsDividends & splitsAnalysts News Ownership Options Discussion ComparisonSignalsTrend ScoreDiscussionNotesPositionsAlerts ComparisonSignalsTrend ScoreDiscussionNotesPositionsAlerts Discussion (2) Sign in to join the discussion Brian Wise MKSI Jul 2, 2026 · 4 months ago #1 KA BOOM! Tech Wreck 2000 happening again! anonymous MKSI Feb 4, 2021 · 5 years ago #2 $150 support. Will wait $MKSI