Biotechnology Stocks I: Compare Returns of S&P 500 to Alkermes plc (ALKS)
S&P 500 prices are represented by SPDR® S&P 500® ETF (SPY) prices.
Prices for SPY and the designated stock are monthly closes adjusted for splits and dividends from Alpha Vantage.
| Compare Returns for SPY and ALKS | ||
|---|---|---|
| SPY | ALKS | |
| Start Date | Jul-31-2015 | Jul-31-2015 |
| Start Price | $177.24 | $70.02 |
| End Date | Jul-16-2025 | Jul-16-2025 |
| End Price | $624.22 | $29.20 |
| Number Monthly Prices | 121 | 121 |
| Min Date | Sep-30-2015 | Apr-30-2020 |
| Min Price | $162.21 | $13.71 |
| Max Date | Jul-16-2025 | Dec-31-2015 |
| Max Price | $624.22 | $79.38 |
| Total Return | 252.19% | -58.30% |
| Annualized Return | 13.30% | -8.31% |
| Current Value of $1,000 Purchase | $3,522 | $417 |
| Number Returns | 7,260 | 7,260 |
| Average Return | 63.15% | -14.87% |
| Minimum Return | -23.93% | -82.73% |
| Maximum Return | 284.82% | 150.40% |
| Number Profitable Returns | 6,877 | 2,481 |
| Percent Profitable Returns | 94.72% | 34.17% |
| Number Unprofitable Returns | 383 | 4,779 |
| Percent Unprofitable Returns | 5.28% | 65.83% |
| Profitable to Unprofitable Returns Ratio | 17.96 | 0.52 |
ALKS Performance Table and Chart
ALKS Dollar-cost Average
ALKS Correlation with S&P 500
ALKS Trendline Chart
ALKS Moving Average Chart
ALKS Stock Return Map - See Patterns of Gains and Losses
ALKS Stock Returns/Purchase Dates