stockNYSE: MRK • Today's Updates
Merck & Co. Inc. (MRK) Today Close
Showing Closing Date Range from Oct 7 to Oct 8, 2026.
Merck delivers innovative health solutions through its prescription medicines, vaccines, biologic therapies, and animal health products.
Investor Relations:merck.com/investor-relations
NYSE MarketTrading In Progress Wall Street: 12:17 PM ET
Market Is Open • Trading In Progress
US markets (NASDAQ / NYSE) are in active trading (9:30 AM – 4:00 PM ET). Official closing rates settle after 4:15 PM ET. Showing active session data (Oct 08, 2026) as of 12:17 PM ET.
Multi-Day Trends:View 28-Day Chart
Started At
Market Open Opening price at session start (9:30 AM ET)
$141.90
Opening Gap$-0.89(-0.62%)
Last Recorded Trade Price
LAST RECORDEDLast recorded trade as of 12:17 PM ET
$139.68
Session DateOct 08, 2026
Lost Today
LOSS Net movement vs previous close
$-3.11 (-2.18%)
Intraday (from open)$-2.22 (-1.56%)
Day's High & Low Range
Session Low
$139.36
Session High
$142.05
Low ($139.36)Last Recorded Trade Price ($139.68)High ($142.05)
Trading Activity & Liquidity
Shares Traded
1.18M
1,180,661 shares
Dollar Volume
$164.91M
Close × Volume traded
Session Turnover$164.91M USD
Session Statistics Breakdown
Key opening, settlement, and trading metrics for Merck & Co. Inc. (MRK).
Oct 08, 2026
Started At (Open)
$141.90
Previous Close
$142.79
Session High
$142.05
Session Low
$139.36
Last Recorded Trade Price
$139.68
Gained / Lost ($)
$-3.11
Gained / Lost (%)
-2.18%
Day's Spread
$2.69