ALNY: Alnylam Pharmaceuticals Inc.

As of Friday, February 20th, 2026

$ 336.19

-3.18 -0.94%

Open: 337.09
High: 345.90
Low: 335.83
Volume: 1,364,764
Previous Close on Thursday, February 19th, 2026

$ 339.37

+6.69 +2.01%

Open: 332.24
High: 339.61
Low: 326.33
Volume: 1,109,494

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-02-20 337.09 345.90 335.83 336.19 1,364,764 -3.18 -0.94
2026-02-19 332.24 339.61 326.33 339.37 1,109,494 +6.69 +2.01
2026-02-18 328.86 335.80 324.53 332.68 1,151,171 +0.07 +0.02
2026-02-17 316.80 336.21 315.63 332.61 1,512,399 +18.21 +5.79
2026-02-13 302.55 318.44 302.55 314.40 1,346,751 +5.92 +1.92
2026-02-12 314.42 315.51 298.00 308.48 2,895,270 -13.80 -4.28
2026-02-11 322.14 325.04 317.80 322.28 1,579,290 -0.70 -0.22
2026-02-10 322.68 325.98 317.89 322.98 1,862,969 +2.98 +0.93
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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 345.90
On 2026-02-20		 302.55
On 2026-02-13		 27.71 8.98 336.21
On 2026-02-17		 324.53
On 2026-02-18		 -3.47 331.05
10D 345.90
On 2026-02-20		 298.00
On 2026-02-12		 4.95 1.49 340.07
On 2026-02-06		 298.00
On 2026-02-12		 -12.37 325.72
20D 371.33
On 2026-01-23		 298.00
On 2026-02-12		 -33.81 -9.14 371.33
On 2026-01-23		 298.00
On 2026-02-12		 -19.75 336.99
WTD 345.90
On 2026-02-20		 315.63
On 2026-02-17		 21.79 6.93 336.21
On 2026-02-17		 324.53
On 2026-02-18		 -3.47 335.21
MTD 355.49
On 2026-02-04		 298.00
On 2026-02-12		 -1.87 -0.55 355.49
On 2026-02-04		 298.00
On 2026-02-12		 -16.17 330.80
As of Friday, February 20th, 2026
 
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Recent
Ticker Last Chg %Chg Volume
ALNY

Alnylam Pharmaceuticals Inc.

336.19 -3.18 -0.94 1,364,764