The closing price for Regeneron Pharmaceuticals (REGN) in 2011 was $54.91, on December 30, 2011. It was up 69.6% for the year. The latest price is $807.64.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 30 2011 | $55.77 | $56.04 | $54.90 | $54.91 | 499,000 |
December 29 2011 | $54.64 | $55.90 | $54.60 | $55.77 | 583,300 |
December 28 2011 | $55.03 | $55.47 | $54.60 | $54.83 | 458,100 |
December 27 2011 | $54.83 | $55.57 | $54.79 | $55.27 | 446,200 |
December 23 2011 | $53.71 | $55.47 | $53.50 | $55.05 | 683,900 |
December 22 2011 | $53.98 | $54.23 | $53.39 | $53.46 | 427,300 |
December 21 2011 | $54.50 | $54.87 | $52.50 | $53.91 | 975,900 |
December 20 2011 | $53.31 | $55.52 | $53.27 | $54.52 | 1,393,400 |
December 19 2011 | $52.59 | $53.42 | $51.96 | $52.70 | 1,329,000 |
December 16 2011 | $51.29 | $53.22 | $49.86 | $52.50 | 13,646,100 |
December 15 2011 | $51.56 | $52.34 | $50.85 | $51.46 | 761,900 |
December 14 2011 | $50.86 | $51.60 | $49.80 | $51.29 | 836,000 |
December 13 2011 | $52.77 | $53.28 | $50.62 | $51.15 | 1,004,400 |
December 12 2011 | $52.33 | $52.79 | $51.46 | $52.54 | 979,000 |
December 09 2011 | $51.23 | $53.55 | $50.99 | $52.88 | 994,100 |
December 08 2011 | $52.31 | $53.22 | $50.40 | $50.91 | 1,140,700 |
December 07 2011 | $53.55 | $53.63 | $51.37 | $52.69 | 1,340,500 |
December 06 2011 | $55.13 | $55.13 | $53.52 | $53.93 | 1,249,800 |
December 05 2011 | $53.50 | $55.54 | $52.81 | $54.55 | 2,057,100 |
December 02 2011 | $59.79 | $59.82 | $57.66 | $57.74 | 666,100 |
December 01 2011 | $58.55 | $59.70 | $58.14 | $59.65 | 761,700 |
November 30 2011 | $56.13 | $59.15 | $56.13 | $58.86 | 981,500 |
November 29 2011 | $56.78 | $57.98 | $55.06 | $55.27 | 963,100 |
November 28 2011 | $54.49 | $57.01 | $53.93 | $56.82 | 968,500 |
November 25 2011 | $54.49 | $55.63 | $53.00 | $53.28 | 331,100 |
Daily pricing data for Regeneron Pharmaceuticals dates back to 4/2/1991, and may be incomplete.