GAAEX vs. PREIX
Compare and contrast key facts about Guinness Atkinson Alternative Energy Fund (GAAEX) and T. Rowe Price Equity Index 500 Fund (PREIX).
GAAEX is managed by Guinness Atkinson. It was launched on Mar 30, 2006. PREIX is managed by T. Rowe Price. It was launched on Mar 30, 1990.
Performance
GAAEX vs. PREIX - Performance Comparison
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GAAEX vs. PREIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GAAEX Guinness Atkinson Alternative Energy Fund | -3.94% | 26.64% | -11.85% | -2.39% | -12.67% | 8.40% | 86.45% | 30.20% | -15.49% | 20.68% |
PREIX T. Rowe Price Equity Index 500 Fund | -7.11% | 19.24% | 24.78% | 26.07% | -18.27% | 28.48% | 18.17% | 31.47% | -4.59% | 21.01% |
Returns By Period
In the year-to-date period, GAAEX achieves a -3.94% return, which is significantly higher than PREIX's -7.11% return. Over the past 10 years, GAAEX has underperformed PREIX with an annualized return of 8.24%, while PREIX has yielded a comparatively higher 13.66% annualized return.
GAAEX
- 1D
- -0.97%
- 1M
- -12.61%
- YTD
- -3.94%
- 6M
- -1.93%
- 1Y
- 28.02%
- 3Y*
- -1.40%
- 5Y*
- -0.44%
- 10Y*
- 8.24%
PREIX
- 1D
- -0.39%
- 1M
- -7.70%
- YTD
- -7.11%
- 6M
- -3.40%
- 1Y
- 15.76%
- 3Y*
- 17.48%
- 5Y*
- 11.51%
- 10Y*
- 13.66%
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GAAEX vs. PREIX - Expense Ratio Comparison
GAAEX has a 1.98% expense ratio, which is higher than PREIX's 0.15% expense ratio.
Return for Risk
GAAEX vs. PREIX — Risk / Return Rank
GAAEX
PREIX
GAAEX vs. PREIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Guinness Atkinson Alternative Energy Fund (GAAEX) and T. Rowe Price Equity Index 500 Fund (PREIX). 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.
| GAAEX | PREIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.23 | 0.91 | +0.32 |
Sortino ratioReturn per unit of downside risk | 1.84 | 1.40 | +0.44 |
Omega ratioGain probability vs. loss probability | 1.23 | 1.22 | +0.02 |
Calmar ratioReturn relative to maximum drawdown | 1.69 | 1.16 | +0.53 |
Martin ratioReturn relative to average drawdown | 6.26 | 5.66 | +0.59 |
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
| GAAEX | PREIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.23 | 0.91 | +0.32 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.02 | 0.68 | -0.70 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.37 | 0.76 | -0.39 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.10 | 0.59 | -0.69 |
Correlation
The correlation between GAAEX and PREIX is 0.68, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
GAAEX vs. PREIX - Dividend Comparison
GAAEX's dividend yield for the trailing twelve months is around 0.34%, less than PREIX's 3.97% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GAAEX Guinness Atkinson Alternative Energy Fund | 0.34% | 0.33% | 0.26% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.09% | 0.28% | 0.00% | 0.00% |
PREIX T. Rowe Price Equity Index 500 Fund | 3.97% | 3.66% | 1.17% | 1.32% | 1.50% | 1.56% | 1.97% | 2.13% | 2.60% | 1.30% | 2.03% | 2.02% |
Drawdowns
GAAEX vs. PREIX - Drawdown Comparison
The maximum GAAEX drawdown since its inception was -85.83%, which is greater than PREIX's maximum drawdown of -55.32%. Use the drawdown chart below to compare losses from any high point for GAAEX and PREIX.
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Drawdown Indicators
| GAAEX | PREIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -85.83% | -55.32% | -30.51% |
Max Drawdown (1Y)Largest decline over 1 year | -14.57% | -12.12% | -2.45% |
Max Drawdown (5Y)Largest decline over 5 years | -40.64% | -24.60% | -16.04% |
Max Drawdown (10Y)Largest decline over 10 years | -40.64% | -33.81% | -6.83% |
Current DrawdownCurrent decline from peak | -59.02% | -8.93% | -50.09% |
Average DrawdownAverage peak-to-trough decline | -63.74% | -8.76% | -54.98% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.94% | 2.49% | +1.45% |
Volatility
GAAEX vs. PREIX - Volatility Comparison
Guinness Atkinson Alternative Energy Fund (GAAEX) has a higher volatility of 6.70% compared to T. Rowe Price Equity Index 500 Fund (PREIX) at 4.25%. This indicates that GAAEX's price experiences larger fluctuations and is considered to be riskier than PREIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GAAEX | PREIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.70% | 4.25% | +2.45% |
Volatility (6M)Calculated over the trailing 6-month period | 13.83% | 9.03% | +4.80% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.99% | 18.09% | +3.90% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.23% | 16.95% | +5.28% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.23% | 18.06% | +4.17% |