Biotechnology Stocks I Performance Guide: Compare Returns of S&P 500 and Prothena Corporation plc (PRTA)
Values are based on monthly closes adjusted for splits and dividends from Alpha Vantage.
| Compare Returns for S&P 500 and PRTA | ||
|---|---|---|
| S&P 500 | PRTA | |
| Start Date | Jun-01-2014 | May-30-2014 |
| Start Price | $2,546.84 | $20.82 |
| End Date | Jun-01-2024 | May-31-2024 |
| End Price | $5,277.52 | $20.81 |
| Number Monthly Prices | 121 | 121 |
| Min Date | Feb-01-2016 | Sep-30-2019 |
| Min Price | $2,503.97 | $7.84 |
| Max Date | Jun-01-2024 | Sep-30-2021 |
| Max Price | $5,277.52 | $71.23 |
| Total Return | 107.22% | -0.05% |
| Annualized Return | 7.49% | 0.00% |
| Current Value of $1,000 Purchase | $2,072 | $1,000 |
| Number Returns | 7,260 | 7,260 |
| Average Return | 30.36% | 49.42% |
| Minimum Return | -25.54% | -88.89% |
| Maximum Return | 110.77% | 808.55% |
| Number Profitable Returns | 6,506 | 3,625 |
| Percent Profitable Returns | 89.61% | 49.93% |
| Number Unprofitable Returns | 754 | 3,635 |
| Percent Unprofitable Returns | 10.39% | 50.07% |
| Profitable to Unprofitable Returns Ratio | 8.63 | 1.00 |
PRTA Performance Table and Chart
PRTA Dividend Chart
PRTA Dollar-cost Average
PRTA Trendline Chart
PRTA Moving Average Chart
PRTA Stock Return Map - See Patterns of Gains and Losses
PRTA Stock Returns/Purchase Dates