The closing price for Regeneron Pharmaceuticals (REGN) in September 2011 was $57.66, on September 30, 2011. It was down 2.1% for the month. The latest price is $807.64.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
September 30 2011 | $58.17 | $59.16 | $56.89 | $57.66 | 897,600 |
September 29 2011 | $61.73 | $62.01 | $57.21 | $59.38 | 647,000 |
September 28 2011 | $63.35 | $63.89 | $60.45 | $60.52 | 784,200 |
September 27 2011 | $64.88 | $65.00 | $62.42 | $62.50 | 641,500 |
September 26 2011 | $66.34 | $67.15 | $62.54 | $63.66 | 928,800 |
September 23 2011 | $65.40 | $65.96 | $64.67 | $65.57 | 598,500 |
September 22 2011 | $67.14 | $69.35 | $65.25 | $65.81 | 2,219,900 |
September 21 2011 | $64.60 | $79.15 | $63.20 | $69.62 | 4,927,700 |
September 20 2011 | $63.68 | $64.42 | $62.17 | $63.75 | 1,146,100 |
September 19 2011 | $59.44 | $65.02 | $59.12 | $64.31 | 1,895,400 |
September 16 2011 | $61.91 | $62.37 | $59.41 | $59.64 | 1,360,800 |
September 15 2011 | $63.66 | $63.66 | $60.43 | $61.45 | 1,681,600 |
September 14 2011 | $65.82 | $65.82 | $62.66 | $62.92 | 1,269,800 |
September 13 2011 | $65.26 | $66.36 | $63.67 | $65.03 | 1,421,800 |
September 12 2011 | $62.81 | $66.04 | $62.44 | $64.94 | 1,273,600 |
September 09 2011 | $68.03 | $68.85 | $63.47 | $65.01 | 2,172,000 |
September 08 2011 | $69.99 | $74.14 | $69.69 | $71.52 | 2,065,200 |
September 07 2011 | $67.61 | $70.83 | $66.39 | $70.60 | 2,038,200 |
September 06 2011 | $62.42 | $68.32 | $61.97 | $67.91 | 2,054,600 |
September 02 2011 | $57.84 | $67.96 | $57.83 | $64.17 | 4,892,700 |
September 01 2011 | $58.88 | $59.58 | $57.71 | $58.90 | 750,900 |
Daily pricing data for Regeneron Pharmaceuticals dates back to 4/2/1991, and may be incomplete.