NASDAQ:ALNY

Alnylam Pharmaceuticals Stock Price (Quote)

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$293.52
+2.15 (+0.738%)
At Close: Jun 29, 2026

Range Low Price High Price Comment
30 days $273.11 $310.53 Monday, 29th Jun 2026 ALNY stock ended at $293.52. This is 0.738% more than the trading day before Friday, 26th Jun 2026. During the day the stock fluctuated 1.35% from a day low at $292.01 to a day high of $295.96.
90 days $273.11 $343.36
52 weeks $273.11 $495.55

Historical Alnylam Pharmaceuticals prices

Date Open High Low Close Volume
Jun 29, 2026 $295.96 $295.96 $292.01 $293.52 1 335 413
Jun 26, 2026 $297.57 $302.96 $290.37 $291.37 1 490 610
Jun 25, 2026 $293.68 $298.35 $290.07 $293.17 1 128 203
Jun 24, 2026 $290.95 $303.46 $288.85 $294.06 1 299 635
Jun 23, 2026 $290.89 $291.95 $285.26 $288.18 1 087 832
Jun 22, 2026 $278.42 $286.67 $278.17 $286.41 1 420 699
Jun 18, 2026 $282.98 $282.98 $273.11 $278.09 1 770 408
Jun 17, 2026 $281.31 $288.00 $277.78 $282.72 1 295 536
Jun 16, 2026 $288.13 $288.48 $276.94 $281.90 1 213 242
Jun 15, 2026 $282.92 $288.07 $282.92 $287.80 1 082 699
Jun 12, 2026 $288.96 $291.28 $281.77 $282.85 1 400 688
Jun 11, 2026 $290.70 $292.98 $285.22 $289.39 1 049 755
Jun 10, 2026 $295.71 $299.70 $290.34 $291.22 927 184
Jun 09, 2026 $297.31 $302.85 $294.03 $297.69 1 226 030
Jun 08, 2026 $303.05 $303.57 $285.54 $292.16 1 651 373
Jun 05, 2026 $304.62 $306.71 $300.50 $303.05 1 001 999
Jun 04, 2026 $297.22 $310.53 $293.85 $303.64 1 081 496
Jun 03, 2026 $284.48 $293.08 $283.10 $292.58 986 965
Jun 02, 2026 $293.94 $295.60 $285.00 $286.12 1 042 350
Jun 01, 2026 $300.80 $303.98 $295.40 $295.63 1 006 654
May 29, 2026 $302.43 $305.68 $297.62 $301.98 807 298
May 28, 2026 $293.00 $305.98 $292.77 $305.06 1 011 028
May 27, 2026 $293.40 $299.98 $292.91 $295.63 629 415
May 26, 2026 $299.00 $301.09 $294.33 $295.50 506 107
May 22, 2026 $299.12 $303.33 $294.99 $297.45 627 774

FAQ

What are historical stock prices?
Historical stock prices refer to a stock’s recorded prices at various past points. These prices include several key figures that help investors and analysts evaluate a stock’s performance over time:
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.

Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.

How can I use ALNY stock historical prices to predict future price movements?
Trend Analysis: Examine the ALNY stock’s historical trends to identify patterns that might continue.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.

What impact do stock splits have on historical price data?
When a company performs a stock split, it adjusts the historical price data to reflect the new, lower trading price as if it had always been that way.

This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.

A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.

Why do the ALNY stock historical prices show a range for periods like 30 days, 90 days, and 52 weeks?
The range provides the lowest and highest prices at which the stock has traded during the specified period. This helps investors understand the stock’s volatility and price variability within that timeframe.

How can I use historical price volatility to assess risk?
High price volatility historically indicates higher risk and potentially higher returns. Investors can gauge the stock’s risk level by examining the range between high and low prices over various periods.
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ABOUT ALNYLAM PHARMACEUTICALS
Alnylam Pharmaceuticals
Alnylam Pharmaceuticals, Inc., a biopharmaceutical company, focuses on discovering, developing, and commercializing novel therapeutics based on ribonucleic acid interference. The company's pipeline of investigational RNAi therapeutics focuses on genetic medicines, cardio-metabolic diseases, hepatic infectious diseases, and central nervous system (CNS)/ocular diseases. Its marketed products include ONPATTRO (patisiran), a lipid complex injection f...
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