RIO vs. DUK
RIO (Rio Tinto Group) and DUK (Duke Energy Corporation) are both stocks. RIO operates in Other Industrial Metals & Mining (Basic Materials), while DUK operates in Utilities - Regulated Electric (Utilities). Over the past 10 years, RIO returned 21.75%/yr vs 8.48%/yr for DUK. At a 0.15 correlation, their price movements are largely independent.
Performance
RIO vs. DUK - Performance Comparison
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Returns By Period
In the year-to-date period, RIO achieves a 29.64% return, which is significantly higher than DUK's 5.92% return. Over the past 10 years, RIO has outperformed DUK with an annualized return of 21.75%, while DUK has yielded a comparatively lower 8.48% annualized return.
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%
DUK
- 1D
- -1.75%
- 1M
- -0.86%
- YTD
- 5.92%
- 6M
- 7.75%
- 1Y
- 9.62%
- 3Y*
- 14.39%
- 5Y*
- 7.87%
- 10Y*
- 8.48%
RIO vs. DUK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RIO Rio Tinto Group | 29.64% | 44.47% | -15.36% | 11.06% | 18.48% | -3.67% | 36.22% | 33.18% | -2.93% | 44.87% |
DUK Duke Energy Corporation | 5.92% | 12.72% | 15.56% | -1.63% | 2.03% | 19.11% | 4.77% | 10.29% | 7.41% | 12.96% |
Correlation
The correlation between RIO and DUK is -0.00, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.00 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.11 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.13 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.10 |
Correlation (All Time) Calculated using the full available price history since Jun 29, 1990 | 0.15 |
The correlation between RIO and DUK shifts across timeframes, from -0.00 (1 year) to 0.15 (all time), reflecting how their relationship changes across market environments.
Fundamentals
RIO:
$165.37B
DUK:
$95.08B
RIO:
$13.11
DUK:
$6.61
RIO:
7.70
DUK:
18.47
RIO:
1.48
DUK:
2.85
RIO:
2.66
DUK:
1.78
RIO:
$111.41B
DUK:
$33.29B
RIO:
$31.10B
DUK:
$19.45B
RIO:
$40.42B
DUK:
$15.91B
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Return for Risk
RIO vs. DUK — Risk / Return Rank
RIO
DUK
RIO vs. DUK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Rio Tinto Group (RIO) and Duke Energy Corporation (DUK). 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.
| RIO | DUK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.12 | ||
| Sortino ratioReturn per unit of downside risk | +2.31 | ||
| Omega ratioGain probability vs. loss probability | 1.43 | 1.12 | +0.32 |
| Calmar ratioReturn relative to maximum drawdown | 5.30 | 0.89 | +4.41 |
| Martin ratioReturn relative to average drawdown | 20.21 | 2.14 | +18.07 |
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
| RIO | DUK | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.79 | 0.66 | +2.12 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.38 | 0.44 | -0.07 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.71 | 0.42 | +0.30 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.33 | 0.49 | -0.16 |
Drawdowns
RIO vs. DUK - Drawdown Comparison
The maximum RIO drawdown since its inception was -88.97%, which is greater than DUK's maximum drawdown of -71.92%. Use the drawdown chart below to compare losses from any high point for RIO and DUK.
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Drawdown Indicators
| RIO | DUK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -88.97% | -71.92% | -17.05% |
Max Drawdown (1Y)Largest decline over 1 year | -15.19% | -10.88% | -4.31% |
Max Drawdown (3Y)Largest decline over 3 years | -24.19% | -11.59% | -12.60% |
Max Drawdown (5Y)Largest decline over 5 years | -35.25% | -24.16% | -11.09% |
Max Drawdown (10Y)Largest decline over 10 years | -37.47% | -37.37% | -0.10% |
Current DrawdownCurrent decline from peak | -9.92% | -7.76% | -2.16% |
Average DrawdownAverage peak-to-trough decline | -23.77% | -10.85% | -12.92% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.97% | 4.51% | -0.54% |
Volatility
RIO vs. DUK - Volatility Comparison
Rio Tinto Group (RIO) has a higher volatility of 11.37% compared to Duke Energy Corporation (DUK) at 5.37%. This indicates that RIO's price experiences larger fluctuations and is considered to be riskier than DUK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RIO | DUK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 11.37% | 5.37% | +6.00% |
Volatility (6M)Calculated over the trailing 6-month period | 23.90% | 11.14% | +12.76% |
Volatility (1Y)Calculated over the trailing 1-year period | 28.93% | 14.64% | +14.29% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 29.23% | 17.83% | +11.40% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 30.63% | 20.40% | +10.23% |
Dividends
RIO vs. DUK - Dividend Comparison
RIO's dividend yield for the trailing twelve months is around 3.98%, more than DUK's 3.49% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DUK Duke Energy Corporation | 3.49% | 3.60% | 3.84% | 4.18% | 3.86% | 3.72% | 4.17% | 4.11% | 4.21% | 4.15% | 4.33% | 4.54% |
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
RIO vs. DUK - Financials Comparison
This section allows you to compare key financial metrics between Rio Tinto Group and Duke Energy Corporation. 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
RIO vs. DUK - Profitability Comparison
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%.
DUK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Duke Energy Corporation reported a gross profit of 6.23B and revenue of 9.18B. Therefore, the gross margin over that period was 67.9%.
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%.
DUK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Duke Energy Corporation reported an operating income of 2.73B and revenue of 9.18B, resulting in an operating margin of 29.7%.
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%.
DUK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Duke Energy Corporation reported a net income of 1.55B and revenue of 9.18B, resulting in a net margin of 16.9%.
Frequently Asked Questions
RIO and DUK have a correlation of -0.00, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RIO has higher volatility (11.37%) compared to DUK (5.37%). In terms of maximum drawdown, RIO dropped -88.97% vs DUK's -71.92%.
RIO currently has the higher Sharpe Ratio (2.79 vs 0.66), 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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