Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2019-11-15 | 278.25 | 283.95 | 277.11 | 282.27 | 282.27 | 1,922,200 |
| 2019-11-14 | 282.84 | 282.84 | 271.48 | 275.15 | 275.15 | 2,354,800 |
| 2019-11-13 | 290.25 | 290.25 | 280.95 | 281.89 | 281.89 | 1,910,300 |
| 2019-11-12 | 295.00 | 296.25 | 289.12 | 291.40 | 291.40 | 1,860,900 |
| 2019-11-11 | 292.48 | 294.92 | 290.52 | 294.14 | 294.14 | 1,007,700 |
| 2019-11-08 | 286.53 | 293.39 | 285.25 | 293.25 | 293.25 | 1,477,100 |
| 2019-11-07 | 289.52 | 290.56 | 285.60 | 286.87 | 286.87 | 1,430,700 |
| 2019-11-06 | 292.34 | 293.00 | 286.85 | 289.00 | 289.00 | 1,306,400 |
| 2019-11-05 | 293.75 | 295.09 | 288.82 | 292.18 | 292.18 | 1,374,600 |
| 2019-11-04 | 301.14 | 302.56 | 293.13 | 293.43 | 293.43 | 1,576,200 |
| 2019-11-01 | 299.79 | 303.79 | 298.57 | 299.20 | 299.20 | 1,463,300 |
| 2019-10-31 | 300.02 | 301.58 | 295.57 | 298.71 | 298.71 | 1,959,900 |
| 2019-10-30 | 302.51 | 306.92 | 299.02 | 299.89 | 299.89 | 2,146,500 |
| 2019-10-29 | 294.76 | 299.89 | 294.74 | 297.50 | 297.50 | 2,391,300 |
| 2019-10-28 | 283.76 | 295.97 | 283.39 | 295.54 | 295.54 | 2,395,100 |
| 2019-10-25 | 285.34 | 290.18 | 284.10 | 288.04 | 288.04 | 2,163,900 |
| 2019-10-24 | 278.21 | 287.04 | 278.01 | 285.68 | 285.68 | 2,803,200 |
| 2019-10-23 | 285.24 | 286.67 | 275.66 | 278.82 | 278.82 | 5,522,400 |
| 2019-10-22 | 310.00 | 318.00 | 279.16 | 281.87 | 281.87 | 21,843,100 |
| 2019-10-21 | 222.00 | 225.78 | 221.56 | 223.51 | 223.51 | 2,358,100 |
| 2019-10-18 | 225.49 | 225.49 | 220.01 | 220.06 | 220.06 | 2,801,700 |
| 2019-10-17 | 227.85 | 228.97 | 223.48 | 225.60 | 225.60 | 1,776,600 |
| 2019-10-16 | 226.23 | 229.75 | 225.96 | 227.72 | 227.72 | 1,365,300 |
| 2019-10-15 | 225.41 | 228.33 | 225.16 | 226.06 | 226.06 | 1,976,600 |
| 2019-10-14 | 222.50 | 226.38 | 221.84 | 225.76 | 225.76 | 2,553,900 |
| 2019-10-11 | 225.44 | 227.50 | 220.51 | 223.21 | 223.21 | 2,388,300 |
| 2019-10-10 | 222.14 | 224.21 | 221.96 | 223.00 | 223.00 | 1,471,200 |
| 2019-10-09 | 223.15 | 224.15 | 221.90 | 222.13 | 222.13 | 1,429,300 |
| 2019-10-08 | 225.16 | 226.10 | 221.56 | 221.94 | 221.94 | 1,973,700 |
| 2019-10-07 | 225.64 | 229.76 | 224.00 | 226.99 | 226.99 | 1,572,000 |
| 2019-10-04 | 223.10 | 225.50 | 222.20 | 224.00 | 224.00 | 1,214,600 |
| 2019-10-03 | 221.70 | 223.48 | 219.70 | 222.50 | 222.50 | 1,827,500 |
| 2019-10-02 | 226.56 | 228.35 | 220.61 | 221.26 | 221.26 | 1,990,800 |
| 2019-10-01 | 232.76 | 234.04 | 224.67 | 227.20 | 227.20 | 1,805,800 |
| 2019-09-30 | 230.28 | 235.25 | 229.42 | 232.82 | 232.82 | 1,182,400 |
| 2019-09-27 | 231.28 | 233.24 | 228.13 | 230.22 | 230.22 | 1,340,200 |
| 2019-09-26 | 236.61 | 236.86 | 228.80 | 230.22 | 230.22 | 1,647,200 |
| 2019-09-25 | 236.20 | 239.19 | 235.67 | 235.90 | 235.90 | 1,148,700 |
| 2019-09-24 | 240.00 | 241.47 | 235.15 | 236.20 | 236.20 | 1,545,300 |
| 2019-09-23 | 238.58 | 242.71 | 237.37 | 239.96 | 239.96 | 1,317,800 |
| 2019-09-20 | 235.43 | 242.21 | 234.30 | 238.79 | 238.79 | 3,577,300 |
| 2019-09-19 | 235.11 | 238.42 | 234.23 | 235.62 | 235.62 | 1,237,800 |
| 2019-09-18 | 239.36 | 239.52 | 233.32 | 235.17 | 235.17 | 1,562,400 |
| 2019-09-17 | 234.86 | 239.50 | 234.36 | 238.70 | 238.70 | 1,205,700 |
| 2019-09-16 | 236.17 | 240.50 | 234.82 | 236.12 | 236.12 | 1,598,400 |
| 2019-09-13 | 232.00 | 237.98 | 232.00 | 236.63 | 236.63 | 1,689,000 |
| 2019-09-12 | 236.31 | 236.31 | 226.06 | 232.31 | 232.31 | 1,953,500 |
| 2019-09-11 | 230.23 | 238.74 | 229.78 | 235.96 | 235.96 | 1,823,600 |
| 2019-09-10 | 230.25 | 234.80 | 230.18 | 233.00 | 233.00 | 1,718,900 |
| 2019-09-09 | 225.58 | 231.06 | 224.39 | 230.00 | 230.00 | 1,651,800 |
| 2019-09-06 | 224.46 | 227.27 | 222.70 | 224.57 | 224.57 | 1,201,300 |
| 2019-09-05 | 220.44 | 225.43 | 220.44 | 223.96 | 223.96 | 1,491,900 |
| 2019-09-04 | 218.75 | 219.39 | 215.78 | 219.29 | 219.29 | 1,166,200 |
| 2019-09-03 | 218.15 | 219.89 | 216.09 | 217.44 | 217.44 | 1,385,000 |
| 2019-08-30 | 220.73 | 221.68 | 217.90 | 219.75 | 219.75 | 1,226,300 |
| 2019-08-29 | 223.10 | 223.75 | 219.80 | 220.16 | 220.16 | 1,175,300 |
| 2019-08-28 | 220.55 | 223.48 | 219.00 | 221.07 | 221.07 | 1,408,200 |
| 2019-08-27 | 225.00 | 225.64 | 219.71 | 220.79 | 220.79 | 1,564,000 |
| 2019-08-26 | 227.32 | 227.99 | 222.95 | 223.76 | 223.76 | 983,600 |
| 2019-08-23 | 231.26 | 231.87 | 225.10 | 225.85 | 225.85 | 1,288,100 |
Stock splits
| Date | Split (new : old) |
|---|---|
| 2001-01-18 | 3:1 |
| 1999-12-21 | 2:1 |
Dividends
No dividends on record.
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.