Biogen Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2011-01-25 | 67.070 | 67.240 | 66.490 | 66.840 | 66.840 | 1,966,500 |
| 2011-01-24 | 66.660 | 68.250 | 66.540 | 67.140 | 67.140 | 1,749,900 |
| 2011-01-21 | 66.590 | 67.340 | 66.270 | 66.770 | 66.770 | 3,451,900 |
| 2011-01-20 | 66.360 | 68.990 | 66.360 | 68.780 | 68.780 | 3,184,900 |
| 2011-01-19 | 66.790 | 66.840 | 65.910 | 66.240 | 66.240 | 1,549,000 |
| 2011-01-18 | 66.550 | 67.110 | 66.000 | 67.010 | 67.010 | 2,138,000 |
| 2011-01-14 | 67.310 | 67.500 | 66.460 | 66.570 | 66.570 | 1,626,800 |
| 2011-01-13 | 67.430 | 67.790 | 67.190 | 67.520 | 67.520 | 1,471,300 |
| 2011-01-12 | 67.900 | 67.900 | 67.200 | 67.400 | 67.400 | 1,272,100 |
| 2011-01-11 | 66.990 | 68.330 | 66.790 | 68.300 | 68.300 | 1,602,100 |
| 2011-01-10 | 66.920 | 67.330 | 66.700 | 66.900 | 66.900 | 1,053,400 |
| 2011-01-07 | 67.550 | 67.590 | 66.960 | 67.380 | 67.380 | 1,097,300 |
| 2011-01-06 | 66.640 | 67.710 | 66.630 | 67.260 | 67.260 | 1,559,000 |
| 2011-01-05 | 66.150 | 67.040 | 65.960 | 66.680 | 66.680 | 2,452,300 |
| 2011-01-04 | 67.000 | 67.010 | 65.800 | 66.400 | 66.400 | 1,964,800 |
| 2011-01-03 | 67.680 | 68.140 | 66.970 | 67.200 | 67.200 | 1,791,900 |
| 2010-12-31 | 66.830 | 67.250 | 66.450 | 67.050 | 67.050 | 1,146,500 |
| 2010-12-30 | 66.450 | 66.970 | 66.450 | 66.800 | 66.800 | 1,031,400 |
| 2010-12-29 | 66.870 | 66.950 | 66.590 | 66.640 | 66.640 | 752,600 |
| 2010-12-28 | 66.860 | 67.200 | 66.530 | 66.640 | 66.640 | 866,400 |
| 2010-12-27 | 67.190 | 67.290 | 66.360 | 66.920 | 66.920 | 959,300 |
| 2010-12-23 | 67.540 | 67.740 | 67.020 | 67.220 | 67.220 | 1,228,500 |
| 2010-12-22 | 68.060 | 68.250 | 67.620 | 67.700 | 67.700 | 1,079,400 |
| 2010-12-21 | 68.210 | 68.480 | 68.000 | 68.220 | 68.220 | 1,040,000 |
| 2010-12-20 | 68.240 | 68.380 | 67.310 | 67.980 | 67.980 | 1,666,700 |
| 2010-12-17 | 67.910 | 68.600 | 67.750 | 68.140 | 68.140 | 4,457,500 |
| 2010-12-16 | 65.950 | 68.000 | 65.840 | 67.920 | 67.920 | 1,967,800 |
| 2010-12-15 | 65.440 | 66.270 | 65.290 | 66.060 | 66.060 | 2,649,500 |
| 2010-12-14 | 66.140 | 66.310 | 65.520 | 65.740 | 65.740 | 2,164,900 |
| 2010-12-13 | 66.190 | 66.420 | 65.790 | 65.890 | 65.890 | 1,793,300 |
| 2010-12-10 | 66.300 | 66.700 | 66.210 | 66.300 | 66.300 | 1,786,200 |
| 2010-12-09 | 65.050 | 66.790 | 65.000 | 66.370 | 66.370 | 2,839,100 |
| 2010-12-08 | 67.300 | 67.630 | 67.030 | 67.360 | 67.360 | 1,639,000 |
| 2010-12-07 | 67.200 | 67.270 | 66.820 | 67.110 | 67.110 | 1,722,100 |
| 2010-12-06 | 66.840 | 67.080 | 66.280 | 66.710 | 66.710 | 1,023,500 |
| 2010-12-03 | 66.930 | 67.310 | 66.560 | 67.000 | 67.000 | 1,465,300 |
| 2010-12-02 | 65.510 | 67.090 | 65.350 | 67.080 | 67.080 | 1,706,600 |
| 2010-12-01 | 64.890 | 66.070 | 64.630 | 65.370 | 65.370 | 2,421,900 |
| 2010-11-30 | 64.060 | 64.540 | 63.850 | 63.970 | 63.970 | 3,320,300 |
| 2010-11-29 | 64.800 | 65.000 | 63.770 | 64.720 | 64.720 | 1,578,200 |
| 2010-11-26 | 65.000 | 65.520 | 64.850 | 65.330 | 65.330 | 673,400 |
| 2010-11-24 | 64.450 | 65.680 | 64.400 | 65.330 | 65.330 | 1,618,100 |
| 2010-11-23 | 64.570 | 64.810 | 63.580 | 63.820 | 63.820 | 1,608,400 |
| 2010-11-22 | 64.850 | 65.390 | 64.210 | 64.860 | 64.860 | 1,324,700 |
| 2010-11-19 | 64.880 | 65.440 | 64.620 | 64.910 | 64.910 | 2,030,700 |
| 2010-11-18 | 64.620 | 65.600 | 64.520 | 64.780 | 64.780 | 1,667,800 |
| 2010-11-17 | 64.260 | 64.920 | 63.940 | 64.520 | 64.520 | 1,466,700 |
| 2010-11-16 | 63.560 | 65.530 | 63.560 | 64.330 | 64.330 | 1,950,600 |
| 2010-11-15 | 64.850 | 66.430 | 64.740 | 65.460 | 65.460 | 2,652,900 |
| 2010-11-12 | 64.220 | 64.610 | 63.560 | 64.500 | 64.500 | 2,209,400 |
| 2010-11-11 | 64.700 | 65.430 | 64.210 | 64.730 | 64.730 | 2,513,700 |
| 2010-11-10 | 63.280 | 64.970 | 62.990 | 64.950 | 64.950 | 4,247,500 |
| 2010-11-09 | 62.910 | 63.410 | 62.720 | 63.390 | 63.390 | 2,550,800 |
| 2010-11-08 | 62.450 | 63.170 | 62.120 | 63.030 | 63.030 | 1,983,500 |
| 2010-11-05 | 62.490 | 62.800 | 61.820 | 62.780 | 62.780 | 2,732,900 |
| 2010-11-04 | 62.320 | 62.980 | 61.820 | 62.500 | 62.500 | 3,722,900 |
| 2010-11-03 | 63.090 | 63.330 | 62.670 | 63.000 | 63.000 | 2,670,400 |
| 2010-11-02 | 63.160 | 63.320 | 62.590 | 63.000 | 63.000 | 1,820,400 |
| 2010-11-01 | 62.890 | 63.500 | 62.410 | 62.550 | 62.550 | 2,261,000 |
| 2010-10-29 | 63.580 | 64.060 | 62.630 | 62.710 | 62.710 | 3,419,300 |
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.