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OPTR (OPTR) has the following price history information. Looking back at OPTR historical stock prices for the last five trading days, on October 18, 2013, OPTR opened at $12.89, traded as high as $12.89 and as low as $12.76, and closed at $12.85. Trading volume was a total of 825.70K shares. On October 21, 2013, OPTR opened at $12.85, traded as high as $12.90 and as low as $12.79, and closed at $12.86. Trading volume was a total of 834.00K shares. On October 22, 2013, OPTR opened at $12.86, traded as high as $12.94 and as low as $12.82, and closed at $12.93. Trading volume was a total of 755.20K shares. On October 23, 2013, OPTR opened at $12.89, traded as high as $13.00 and as low as $12.56, and closed at $12.78. Trading volume was a total of 10.09M shares. On October 24, 2013, OPTR opened at $12.78, traded as high as $12.78 and as low as $12.78, and closed at $12.78. Trading volume was a total of 0 shares.
OPTR Historical Stock Prices By Date:
Below, we examine the compound annual growth rate — CAGR for short — of an investment into OPTR shares, starting with a $10,000 purchase of OPTR, and working forward through the historical stock price information to today. OPTR -- use the split history when considering split-adjusted past price performance.
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| OPTR Historical Price Range | |||||
| Date | Open | High | Low | Close | Volume |
| 10/18/2013 | $12.89 | $12.89 | $12.76 | $12.85 | 825.70K |
| 10/21/2013 | $12.85 | $12.90 | $12.79 | $12.86 | 834.00K |
| 10/22/2013 | $12.86 | $12.94 | $12.82 | $12.93 | 755.20K |
| 10/23/2013 | $12.89 | $13.00 | $12.56 | $12.78 | 10.09M |
| 10/24/2013 | $12.78 | $12.78 | $12.78 | $12.78 | 0 |
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| About OPTR |
| Optimer Pharmaceuticals is a biopharmaceutical company engaged in commercializing its antibiotic product DIFICID® (fidaxomicin) tablets in the U.S. and Canada, and developing other fidaxomicin products. Co. markets DIFICID, a macrolide antibacterial drug for the treatment of Clostridium difficile-associated diarrhea in adults 18 years of age and older. Co.'s DIFICLIR™ (fidaxomicin) is approved in Europe for the treatment of Clostridium difficile infection in adults. Co. has out-licensed rights to two programs: Solithromycin (CEM-101) Macrolide and Ketolide Antibiotics for the treatment of upper and lower respiratory tract infections; and OPT-822/821 Cancer Immunotherapy for breast cancer. |
| OPTR Historical Closing Prices | |
| Date | Close |
| 10/18/2013 | $12.85 |
| 10/21/2013 | $12.86 |
| 10/22/2013 | $12.93 |
| 10/23/2013 | $12.78 |
| 10/24/2013 | $12.78 |
| Healthcare Historical Prices |
| OPTR is categorized under the Healthcare sector; below are some other companies in the same sector:
OPXA Historical Stock Prices
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