stockNASDAQ: MKSI • Today's Updates
MKS Inc. (MKSI) Today Close
Showing Closing Date Range from Oct 14 to Oct 15, 2026.
Investor Relations:mks.com/investor-relations
NASDAQ MarketOfficial Close Wall Street: 4:43 PM ET
Today's Session Settled & Finalized
Official market closing rate settled for Oct 15, 2026. Next session begins at 9:30 AM ET.
Multi-Day Trends:View 28-Day Chart
Started At
Market Open Opening price at session start (9:30 AM ET)
$224.32
Opening Gap$-10.18(-4.34%)
Closed At
OFFICIAL CLOSESettled close for Oct 15, 2026
$228.52
Session DateOct 15, 2026
Lost Today
LOSS Net movement vs previous close
$-5.98 (-2.55%)
Intraday (from open)+$4.20 (+1.87%)
Day's High & Low Range
Session Low
$212.35
Session High
$230.57
Low ($212.35)Closed At ($228.52)High ($230.57)
Trading Activity & Liquidity
Shares Traded
2.57M
2,565,333 shares
Dollar Volume
$586.23M
Close × Volume traded
Session Turnover$586.23M USD
Session Statistics Breakdown
Key opening, settlement, and trading metrics for MKS Inc. (MKSI).
Oct 15, 2026
Started At (Open)
$224.32
Previous Close
$234.50
Session High
$230.57
Session Low
$212.35
Closed At
$228.52
Gained / Lost ($)
$-5.98
Gained / Lost (%)
-2.55%
Day's Spread
$18.22