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Smart Investors Daily
AL

NYSE · ALNY

Alnylam Pharmaceuticals, Inc.

Healthcare · Biotechnology

$165.00

Down-$9.00 (-5.17%)

Updated Oct 31, 2026, 6:24 PM

SID Score

4.5/10

Composite research score

Smart Money

47/100

Neutral

Market cap
44.15B
P/E ratio
140.31
Dividend yield
0.00%
52-week range
$172.31 – $482.73
Volume
7.06M
Avg. volume
1.54M

Price performance · ALNY

ALNY price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 30, 2026

ALNY closed at $165.00 after 21 trading sessions, down 24.90% for the selected period.

Last close
$165.00
Period change
-24.90%
Period low
$165.00
Period high
$234.03
Daily close
View OHLC price history
ALNY OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Oct 30, 2026$172.695$180.6118$163.30$165.007.06M
Oct 29, 2026$185.59$202.37$172.31$174.0011.8M
Oct 28, 2026$222.72$232.88$220.00$232.401.94M
Oct 27, 2026$225.00$228.49$222.82$226.791.6M
Oct 26, 2026$226.24$232.48$224.1001$227.661.44M
Oct 23, 2026$227.28$229.39$222.00$224.031.06M
Oct 22, 2026$224.92$229.82$223.76$227.282.21M
Oct 21, 2026$227.86$230.84$224.88$225.101.18M
Oct 20, 2026$237.73$238.96$229.54$230.711.51M
Oct 19, 2026$232.645$236.54$231.255$233.291.34M
Oct 16, 2026$235.18$237.98$231.29$231.831.4M
Oct 15, 2026$230.00$234.30$228.12$234.031.26M
Oct 14, 2026$224.49$229.56$222.25$224.471.11M
Oct 13, 2026$228.93$229.525$221.56$223.821.12M
Oct 12, 2026$233.13$233.60$226.3501$227.02916.92K
Oct 9, 2026$224.74$232.935$222.705$232.68959.45K
Oct 8, 2026$222.03$225.90$218.39$224.531.77M
Oct 7, 2026$224.39$230.42$222.46$224.411.06M
Oct 6, 2026$221.015$229.18$217.18$223.941.36M
Oct 5, 2026$218.36$222.08$215.46$219.891.28M
Oct 2, 2026$231.31$231.36$219.40$219.721.66M

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