Biotechnology Stocks I: Returns for Prothena Corporation plc (PRTA)
PRTA has no dividends.
Table and Chart of PRTA Performance
See what a $1,000 investment in PRTA is worth today.
Values are based on monthly closes adjusted for splits and dividends from Alpha Vantage.
| PRTA Returns | |
|---|---|
| Start Date | Apr-30-2015 |
| Start Price | $32.41 |
| End Date | Apr-23-2025 |
| End Price | $9.59 |
| # Prices | 121 |
| Min Date | Sep-30-2019 |
| Min Price | $7.84 |
| Max Date | Sep-30-2021 |
| Max Price | $71.23 |
| Total Return | -70.41% |
| Annualized Return | -11.38% |
| Current Value of $1,000 Purchase | $296 |
| Number Returns* | 7,260 |
| Average Return | 35.02% |
| Number Profitable Returns | 3,138 |
| Percent Profitable Returns | 43.22% |
| Number Unprofitable Returns | 4,122 |
| Percent Unprofitable Returns | 56.78% |
| Profitable to Unprofitable Returns Ratio | 0.76 |
| *Note: Number Returns for a series of # Prices (N) is N*(N-1)/2. A buy and sell return results in a percent return that is a profit, loss or break-even. Buy and Sell Returns | |
PRTA Compare Returns with S&P 500
PRTA Trendline Chart
PRTA Moving Average Chart
PRTA Stock Return Map - See Patterns of Gains and Losses
PRTA Stock Returns/Purchase Dates