Alnylam Pharmaceuticals, Inc. (ALNY) Stock Price Today
Alnylam Pharmaceuticals, Inc. Price Chart (ALNY)
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Alnylam Pharmaceuticals, Inc. (ALNY) Stock Price Price Today
The ALNY stock price today is $230.71, down 1.11% on the day. Alnylam Pharmaceuticals, Inc. is listed on NASDAQ in United States, and the latest session we have is October 20, 2026.
Prices are delayed quotes for information only and are not financial advice.
ALNY Recent Prices
| Date | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| 2026-10-20 | $237.73 | $238.96 | $229.54 | $230.71 | 1.11% | 1,505,200 |
| 2026-10-19 | $232.65 | $236.54 | $231.26 | $233.29 | 0.63% | 1,344,100 |
| 2026-10-16 | $235.18 | $237.98 | $231.29 | $231.83 | 0.94% | 1,404,800 |
| 2026-10-15 | $230.00 | $234.30 | $228.12 | $234.03 | 4.26% | 1,257,400 |
| 2026-10-14 | $224.49 | $229.56 | $222.25 | $224.47 | 0.29% | 1,105,600 |
| 2026-10-13 | $228.93 | $229.53 | $221.56 | $223.82 | 1.41% | 1,119,000 |
| 2026-10-12 | $233.13 | $233.60 | $226.35 | $227.02 | 2.43% | 916,900 |
| 2026-10-09 | $224.74 | $232.94 | $222.71 | $232.68 | 3.63% | 959,400 |
| 2026-10-08 | $222.03 | $225.90 | $218.39 | $224.53 | 0.05% | 1,771,700 |
| 2026-10-07 | $224.39 | $230.42 | $222.46 | $224.41 | 0.21% | 1,064,100 |
Frequently asked questions
What is the ALNY stock price today?
The ALNY stock price today is $230.71 on NASDAQ, the latest price we have, from the 2026-10-20 session. Alnylam Pharmaceuticals, Inc. trades in USD.
Is ALNY stock up or down today?
Alnylam Pharmaceuticals, Inc. (ALNY) is down 1.11% compared with the previous close of $233.29.
What was the ALNY closing price yesterday?
The previous close of ALNY was $233.29 (October 19, 2026).
What is the 52-week high and low of ALNY?
Over the past year ALNY has traded between $197.81 and $485.36. The latest session's range was $229.54 to $238.96.
What is the trading volume of ALNY?
1,458,025 shares of ALNY traded in the latest session.
Where does this ALNY price come from?
Stock prices and volumes from Yahoo Finance. These are delayed quotes: during trading they can lag the exchange by 15 minutes or more, and they are not a live feed.
More: ALNY price history · NASDAQ top gainers and losers today · all United States stocks (A–Z) · United States stock market today · stock markets by country
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