BIIB: Biogen Inc.

As of Thursday, February 5th, 2026

$ 185.36

-0.09 -0.05%

Open: 184.87
High: 187.73
Low: 184.54
Volume: 2,526,922
Previous Close on Wednesday, February 4th, 2026

$ 185.45

+8.69 +4.92%

Open: 177.25
High: 186.24
Low: 177.10
Volume: 2,035,581

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-02-05 184.87 187.73 184.54 185.36 2,526,890 -0.09 -0.05
2026-02-04 177.25 186.24 177.10 185.45 2,035,581 +8.69 +4.92
2026-02-03 177.79 182.67 176.19 176.76 1,547,031 -2.33 -1.30
2026-02-02 179.30 180.76 177.58 179.09 1,288,679 -0.80 -0.44
2026-01-30 177.09 180.14 175.96 179.89 1,487,520 +3.71 +2.11
2026-01-29 174.88 177.20 173.51 176.18 1,146,662 +1.35 +0.77
2026-01-28 173.63 175.06 170.85 174.83 1,292,952 +0.71 +0.41
2026-01-27 173.02 176.14 172.23 174.12 746,862 +1.00 +0.58
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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 187.73
On 2026-02-05		 175.96
On 2026-01-30		 9.18 5.21 180.14
On 2026-01-30		 180.14
On 2026-01-30		 0.00 181.31
10D 187.73
On 2026-02-05		 170.04
On 2026-01-23		 11.56 6.65 176.14
On 2026-01-27		 170.85
On 2026-01-28		 -3.00 177.64
20D 190.20
On 2026-01-09		 160.36
On 2026-01-20		 -1.55 -0.83 190.20
On 2026-01-09		 160.36
On 2026-01-20		 -15.69 176.40
WTD 187.73
On 2026-02-05		 176.19
On 2026-02-03		 5.47 3.04 180.76
On 2026-02-02		 180.76
On 2026-02-02		 0.00 181.67
MTD 187.73
On 2026-02-05		 176.19
On 2026-02-03		 5.47 3.04 180.76
On 2026-02-02		 180.76
On 2026-02-02		 0.00 181.67
As of Thursday, February 5th, 2026
 
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Recent
Ticker Last Chg %Chg Volume
BIIB

Biogen Inc.

185.36 -0.09 -0.05 2,526,922