Prothena Corp. Plc (PRTA)
9.255
-0.10
(-1.02%)
USD |
NASDAQ |
Jan 20, 16:00
9.255
0.00 (0.00%)
After-Hours: 19:44
Prothena Price: 9.255 for Jan. 20, 2026
Price Chart
Sep '18
Jan '19
May '19
285.00
270.00
255.00
240.00
Historical Data
Price Definition
The price of a security measures the cost to purchase 1 share of a security. For a company, price can be multiplied by shares outstanding to find the market capitalization (value of the company).
Price Range, Past 5 Years
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Price Benchmarks
| Alkermes Plc | 31.76 |
| Amarin Corp. Plc | 15.65 |
| Jazz Pharmaceuticals Plc | 167.95 |
| Iterum Therapeutics Plc | 0.3288 |
| GH Research Plc | 15.74 |
Price Related Metrics
| PS Ratio | 42.27 |
| PEG Ratio | -0.0161 |
| Price to Book Value | 1.689 |
| Earnings Yield | -56.30% |
| Market Cap | 498.20M |
| PEGY Ratio | -0.0161 |