stockNASDAQ: BIIB • 7 Days Updates
Biogen Stock (BIIB) 7 Days
Showing Closing Date Range from Oct 23 to Oct 30, 2026.
Biogen is a biotechnology pioneer discovering and developing therapies for neurological and neurodegenerative diseases.
Investor Relations:biogen.com
Price & Performance Trajectory
Biogen Inc.NASDAQ: BIIB
Latest Close
$253.62
7 Days Updates Trajectory
Showing Closing Date Range from Oct 23 to Oct 30, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesBIIB session performance
✓ Latest Close USD
$253.62
Latest session close
+$2.93vs period start
Period Return % % GAIN
+1.17%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$258.73 / $243.03
Period range envelope
$15.70channel spread
Total Volume SHARES
8.08M
Period turnover
Avg: 1.35M/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(6 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 30, 2026 | $253.62 | +1.59% | $258.73 | $251.19 | 1.30M |
| Oct 29, 2026 | $249.65 | +2.29% | $255.55 | $246.48 | 1.14M |
| Oct 28, 2026 | $244.05 | -3.43% | $258.63 | $243.03 | 2.32M |
| Oct 27, 2026 | $252.73 | +0.19% | $253.98 | $248.46 | 1.19M |
| Oct 26, 2026 | $252.26 | +0.63% | $254.00 | $249.61 | 958.8K |
| Oct 23, 2026 | $250.69 | -1.24% | $252.44 | $246.15 | 1.15M |