BIIB: Biogen Inc.

As of Friday, August 22nd, 2025

$ 139.31

+0.19 +0.14%

Open: 140.41
High: 142.32
Low: 138.65
Volume: 1,189,920
Previous Close on Thursday, August 21st, 2025

$ 139.12

+0.13 +0.09%

Open: 138.26
High: 140.20
Low: 137.59
Volume: 1,060,733

Historical Data

Date Open High Low Close Volume Chg %Chg
2025-08-22 140.41 142.32 138.65 139.31 1,189,919 +0.19 +0.14
2025-08-21 138.26 140.20 137.59 139.12 1,060,733 +0.13 +0.09
2025-08-20 139.10 140.50 137.77 138.99 1,283,559 +0.13 +0.09
2025-08-19 136.37 139.58 136.02 138.86 1,446,773 +2.95 +2.17
2025-08-18 140.00 141.18 135.74 135.91 1,788,760 -2.69 -1.94
2025-08-15 136.16 138.83 135.88 138.60 1,641,986 +3.66 +2.71
2025-08-14 134.51 135.23 132.16 134.94 1,169,393 -0.25 -0.18
2025-08-13 129.62 135.38 129.40 135.19 1,521,588 +6.26 +4.86
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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 142.32
On 2025-08-22		 135.74
On 2025-08-18		 0.71 0.51 141.18
On 2025-08-18		 136.02
On 2025-08-19		 -3.65 138.44
10D 142.32
On 2025-08-22		 127.71
On 2025-08-11		 8.64 6.61 133.73
On 2025-08-11		 128.25
On 2025-08-12		 -4.10 135.79
20D 142.32
On 2025-08-22		 124.56
On 2025-08-01		 7.79 5.92 135.43
On 2025-07-31		 124.56
On 2025-08-01		 -8.03 132.72
WTD 142.32
On 2025-08-22		 135.74
On 2025-08-18		 0.71 0.51 141.18
On 2025-08-18		 136.02
On 2025-08-19		 -3.65 138.44
MTD 142.32
On 2025-08-22		 124.56
On 2025-08-01		 11.31 8.84 134.16
On 2025-08-05		 127.00
On 2025-08-08		 -5.34 133.92
As of Friday, August 22nd, 2025
 
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Recent
Ticker Last Chg %Chg Volume
BIIB

Biogen Inc.

139.31 +0.19 +0.14 1,189,920