ALKS vs. RIO
ALKS (Alkermes plc) and RIO (Rio Tinto Group) are both stocks. ALKS operates in Biotechnology (Healthcare), while RIO operates in Other Industrial Metals & Mining (Basic Materials). Over the past 10 years, ALKS returned -0.05%/yr vs 21.75%/yr for RIO. At a 0.18 correlation, their price movements are largely independent.
Performance
ALKS vs. RIO - Performance Comparison
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Returns By Period
In the year-to-date period, ALKS achieves a 51.72% return, which is significantly higher than RIO's 29.64% return. Over the past 10 years, ALKS has underperformed RIO with an annualized return of -0.05%, while RIO has yielded a comparatively higher 21.75% annualized return.
ALKS
- 1D
- -0.82%
- 1M
- 21.32%
- YTD
- 51.72%
- 6M
- 44.34%
- 1Y
- 33.87%
- 3Y*
- 10.89%
- 5Y*
- 11.44%
- 10Y*
- -0.05%
RIO
- 1D
- 0.24%
- 1M
- -4.22%
- YTD
- 29.64%
- 6M
- 42.09%
- 1Y
- 80.02%
- 3Y*
- 23.43%
- 5Y*
- 10.94%
- 10Y*
- 21.75%
ALKS vs. RIO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ALKS Alkermes plc | 51.72% | -2.71% | 3.68% | 6.16% | 12.34% | 16.59% | -2.21% | -30.87% | -46.08% | -1.53% |
RIO Rio Tinto Group | 29.64% | 44.47% | -15.36% | 11.06% | 18.48% | -3.67% | 36.22% | 33.18% | -2.93% | 44.87% |
Correlation
The correlation between ALKS and RIO is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.22 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.21 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.18 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.23 |
Correlation (All Time) Calculated using the full available price history since Jul 17, 1991 | 0.18 |
Fundamentals
ALKS:
$7.06B
RIO:
$165.37B
ALKS:
$0.91
RIO:
$13.11
ALKS:
46.68
RIO:
7.70
ALKS:
4.56
RIO:
1.48
ALKS:
4.03
RIO:
2.66
ALKS:
$1.56B
RIO:
$111.41B
ALKS:
$1.02B
RIO:
$31.10B
ALKS:
$249.70M
RIO:
$40.42B
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Return for Risk
ALKS vs. RIO — Risk / Return Rank
ALKS
RIO
ALKS vs. RIO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Alkermes plc (ALKS) and Rio Tinto Group (RIO). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| ALKS | RIO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.95 | ||
| Sortino ratioReturn per unit of downside risk | -1.84 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 1.43 | -0.25 |
| Calmar ratioReturn relative to maximum drawdown | 1.53 | 5.30 | -3.76 |
| Martin ratioReturn relative to average drawdown | 3.35 | 20.21 | -16.86 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| ALKS | RIO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.84 | 2.79 | -1.95 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.31 | 0.38 | -0.07 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.00 | 0.71 | -0.71 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.10 | 0.33 | -0.23 |
Drawdowns
ALKS vs. RIO - Drawdown Comparison
The maximum ALKS drawdown since its inception was -96.14%, which is greater than RIO's maximum drawdown of -88.97%. Use the drawdown chart below to compare losses from any high point for ALKS and RIO.
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Drawdown Indicators
| ALKS | RIO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.14% | -88.97% | -7.17% |
Max Drawdown (1Y)Largest decline over 1 year | -22.20% | -15.19% | -7.01% |
Max Drawdown (3Y)Largest decline over 3 years | -31.58% | -24.19% | -7.39% |
Max Drawdown (5Y)Largest decline over 5 years | -33.18% | -35.25% | +2.07% |
Max Drawdown (10Y)Largest decline over 10 years | -80.58% | -37.47% | -43.11% |
Current DrawdownCurrent decline from peak | -56.71% | -9.92% | -46.79% |
Average DrawdownAverage peak-to-trough decline | -67.24% | -23.77% | -43.47% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.54% | 3.97% | +6.57% |
Volatility
ALKS vs. RIO - Volatility Comparison
Alkermes plc (ALKS) has a higher volatility of 12.00% compared to Rio Tinto Group (RIO) at 11.37%. This indicates that ALKS's price experiences larger fluctuations and is considered to be riskier than RIO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ALKS | RIO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.00% | 11.37% | +0.63% |
Volatility (6M)Calculated over the trailing 6-month period | 30.15% | 23.90% | +6.25% |
Volatility (1Y)Calculated over the trailing 1-year period | 40.67% | 28.93% | +11.74% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 37.28% | 29.23% | +8.05% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 41.28% | 30.63% | +10.65% |
Dividends
ALKS vs. RIO - Dividend Comparison
ALKS has not paid dividends to shareholders, while RIO's dividend yield for the trailing twelve months is around 3.98%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ALKS Alkermes plc | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
RIO Rio Tinto Group | 3.98% | 4.66% | 7.40% | 5.40% | 10.48% | 10.23% | 5.13% | 7.68% | 6.32% | 4.47% | 3.93% | 7.58% |
Financials
ALKS vs. RIO - Financials Comparison
This section allows you to compare key financial metrics between Alkermes plc and Rio Tinto Group. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
ALKS vs. RIO - Profitability Comparison
ALKS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Alkermes plc reported a gross profit of 0.00 and revenue of 392.91M. Therefore, the gross margin over that period was 0.0%.
RIO - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Rio Tinto Group reported a gross profit of 8.15B and revenue of 30.65B. Therefore, the gross margin over that period was 26.6%.
ALKS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Alkermes plc reported an operating income of -48.28M and revenue of 392.91M, resulting in an operating margin of -12.3%.
RIO - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Rio Tinto Group reported an operating income of 8.15B and revenue of 30.65B, resulting in an operating margin of 26.6%.
ALKS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Alkermes plc reported a net income of -66.48M and revenue of 392.91M, resulting in a net margin of -16.9%.
RIO - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Rio Tinto Group reported a net income of 5.42B and revenue of 30.65B, resulting in a net margin of 17.7%.
Frequently Asked Questions
ALKS and RIO have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ALKS has higher volatility (12.00%) compared to RIO (11.37%). In terms of maximum drawdown, ALKS dropped -96.14% vs RIO's -88.97%.
RIO currently has the higher Sharpe Ratio (2.79 vs 0.84), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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