Alnylam Pharmaceuticals, Inc. (ALNY) Stock Chart
ALNY price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
ALNY performance vs the market
Total return, dividends reinvestedALNY monthly returns
ALNY historical prices
ALNY dividends & splits
About the ALNY chart
Alnylam (ALNY) closed at $231.83 on October 16, 2026, down 41.7% so far this year. The stock is trading 21.2% below its 200-day moving average of $294.30, which technical analysts usually read as a long-term downtrend. Over the past year ALNY returned −51.8% including dividends, behind the S&P 500 (+16.8%).
This page charts the full trading history of Alnylam Pharmaceuticals, Inc. stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the ALNY stock overview.
ALNY chart FAQ
What is Alnylam's all-time high stock price?
The highest closing price for ALNY was $491.22 on October 20, 2025 (adjusted for stock splits). As of the October 16, 2026 close it traded 52.8% below that level.
What is the 52-week range of ALNY stock?
Over the 52 weeks to October 16, 2026, ALNY traded between an intraday low of $197.81 on July 30, 2026 and an intraday high of $495.55 on October 20, 2025.
Is ALNY above its 200-day moving average?
No. On October 16, 2026 ALNY closed at $231.83, 21.2% below its 200-day simple moving average of $294.30. The 50-day average was $238.41.
How has ALNY stock performed compared with the S&P 500?
Including reinvested dividends, ALNY returned −51.8% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were +11.2% and +83.0%.
Does Alnylam pay a dividend?
Alnylam has not paid a dividend in the past 12 months.
How do I read the ALNY chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots ALNY against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.