BIIB: Biogen Inc.

As of Friday, October 31st, 2025

$ 154.27

+4.66 +3.11%

Open: 147.99
High: 155.18
Low: 146.52
Volume: 2,161,509
Previous Close on Thursday, October 30th, 2025

$ 149.61

+1.75 +1.18%

Open: 140.10
High: 154.44
Low: 138.00
Volume: 2,721,148

Historical Data

Date Open High Low Close Volume Chg %Chg
2025-10-31 147.99 155.18 146.52 154.27 2,161,509 +4.66 +3.11
2025-10-30 140.10 154.44 138.00 149.61 2,721,148 +1.75 +1.18
2025-10-29 148.82 149.91 147.54 147.86 2,448,830 -1.27 -0.85
2025-10-28 150.01 150.30 148.37 149.13 1,662,694 -1.30 -0.86
2025-10-27 150.07 150.92 148.10 150.43 1,196,654 +0.54 +0.36
2025-10-24 151.09 151.92 148.98 149.89 1,338,261 -0.19 -0.13
2025-10-23 148.99 150.29 147.57 150.08 1,233,208 +2.36 +1.60
2025-10-22 147.37 149.12 146.25 147.72 1,368,631 +1.50 +1.03
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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 155.18
On 2025-10-31		 138.00
On 2025-10-30		 4.38 2.92 150.92
On 2025-10-27		 147.54
On 2025-10-29		 -2.24 150.26
10D 155.18
On 2025-10-31		 138.00
On 2025-10-30		 11.27 7.88 151.92
On 2025-10-24		 147.54
On 2025-10-29		 -2.89 149.18
20D 159.70
On 2025-10-06		 138.00
On 2025-10-30		 -5.61 -3.51 159.70
On 2025-10-06		 138.00
On 2025-10-30		 -13.59 148.21
WTD 155.18
On 2025-10-31		 138.00
On 2025-10-30		 4.38 2.92 150.92
On 2025-10-27		 147.54
On 2025-10-29		 -2.24 150.26
MTD 160.20
On 2025-10-03		 138.00
On 2025-10-30		 14.19 10.13 160.20
On 2025-10-03		 138.00
On 2025-10-30		 -13.86 149.28
As of Friday, October 31st, 2025
 
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Recent
Ticker Last Chg %Chg Volume
ISTB

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BBIO

BridgeBio Pharma Inc.

62.64 -0.73 -1.15 2,465,910
BIIB

Biogen Inc.

154.27 +4.66 +3.11 2,161,509