stockNASDAQ: ALNY • Today's Updates
Alnylam Pharmaceuticals Inc. (ALNY) Today Close
Showing Closing Date Range from Oct 15 to Oct 16, 2026.
Investor Relations:investors.alnylam.com
NASDAQ MarketWeekend Closed Wall Street: 4:31 AM ET
Weekend • Markets Closed
US stock markets are closed over the weekend and will reopen Monday at 9:30 AM ET. Displaying the final completed trading session from Oct 16, 2026.
Multi-Day Trends:View 28-Day Chart
Started At
Market Open Opening price at session start (9:30 AM ET)
$235.18
Opening Gap+$1.15(+0.49%)
Last Finalized Close
FRIDAY CLOSESession close from Oct 16, 2026
$231.83
Session DateOct 16, 2026
Lost Today
LOSS Net movement vs previous close
$-2.20 (-0.94%)
Intraday (from open)$-3.35 (-1.42%)
Day's High & Low Range
Session Low
$231.30
Session High
$237.98
Low ($231.30)Last Finalized Close ($231.83)High ($237.98)
Trading Activity & Liquidity
Shares Traded
1.40M
1,404,749 shares
Dollar Volume
$325.66M
Close × Volume traded
Session Turnover$325.66M USD
Session Statistics Breakdown
Key opening, settlement, and trading metrics for Alnylam Pharmaceuticals Inc. (ALNY).
Oct 16, 2026
Started At (Open)
$235.18
Previous Close
$234.03
Session High
$237.98
Session Low
$231.30
Last Finalized Close
$231.83
Gained / Lost ($)
$-2.20
Gained / Lost (%)
-0.94%
Day's Spread
$6.68