ALNY: Alnylam Pharmaceuticals Inc.

As of Tuesday, September 15th, 2026

$ 238.27

-11.72 -4.69%

Open: 246.99
High: 247.43
Low: 237.44
Volume: 1,865,378
Previous Close on Monday, September 14th, 2026

$ 249.99

+1.32 +0.53%

Open: 250.17
High: 252.79
Low: 244.18
Volume: 911,575

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-09-15 246.99 247.43 237.44 238.27 1,865,328 -11.72 -4.69
2026-09-14 250.17 252.79 244.18 249.99 911,575 +1.32 +0.53
2026-09-11 248.05 254.08 246.01 248.67 1,156,717 +1.16 +0.47
2026-09-10 256.68 256.68 246.42 247.51 1,623,863 -10.49 -4.07
2026-09-09 257.07 261.98 253.28 258.00 1,409,010 -2.10 -0.81
2026-09-08 259.00 272.08 254.01 260.10 2,008,477 -6.01 -2.26
2026-09-04 258.58 266.85 258.02 266.11 1,419,664 +1.61 +0.61
2026-09-03 265.94 271.19 261.54 264.50 1,635,759 -2.90 -1.08
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Metrics and Technicals

Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 261.98
On 2026-09-09		 237.44
On 2026-09-15		 -21.83 -8.39 261.98
On 2026-09-09		 237.44
On 2026-09-15		 -9.37 248.49
10D 272.08
On 2026-09-08		 237.44
On 2026-09-15		 -2.42 -1.01 272.08
On 2026-09-08		 237.44
On 2026-09-15		 -12.73 254.67
20D 272.08
On 2026-09-08		 222.01
On 2026-08-18		 13.67 6.09 272.08
On 2026-09-08		 237.44
On 2026-09-15		 -12.73 245.64
WTD 252.79
On 2026-09-14		 237.44
On 2026-09-15		 -10.40 -4.18 252.79
On 2026-09-14		 237.44
On 2026-09-15		 -6.07 244.13
MTD 272.08
On 2026-09-08		 237.44
On 2026-09-15		 -2.42 -1.01 272.08
On 2026-09-08		 237.44
On 2026-09-15		 -12.73 254.67
As of Tuesday, September 15th, 2026
 
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Recent
Ticker Last Chg %Chg Volume
ALNY

Alnylam Pharmaceuticals Inc.

238.27 -11.72 -4.69 1,865,378