OPGSX vs. USERX
OPGSX (Invesco Gold & Special Minerals Fund) and USERX (U.S. Global Investors Gold & Precious Metals Fund) are both Gold funds. Over the past 10 years, OPGSX returned 11.11%/yr vs 11.65%/yr for USERX. Their correlation of 0.87 means they have usually moved in the same direction. OPGSX charges 1.05%/yr vs 1.52%/yr for USERX.
Performance
OPGSX vs. USERX - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with OPGSX having a -8.91% return and USERX slightly higher at -8.61%. Both investments have delivered pretty close results over the past 10 years, with OPGSX having a 11.11% annualized return and USERX not far ahead at 11.65%.
OPGSX
- 1D
- 3.52%
- 1M
- -1.50%
- 6M
- -26.64%
- YTD
- -8.91%
- 1Y
- 45.46%
- 3Y*
- 31.86%
- 5Y*
- 15.51%
- 10Y*
- 11.11%
- ALL TIME*
- 7.44%
USERX
- 1D
- 4.13%
- 1M
- -3.28%
- 6M
- -19.24%
- YTD
- -8.61%
- 1Y
- 59.57%
- 3Y*
- 41.65%
- 5Y*
- 16.99%
- 10Y*
- 11.65%
- ALL TIME*
- -0.02%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
OPGSX vs. USERX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OPGSX Invesco Gold & Special Minerals Fund | -8.91% | 131.03% | 13.05% | 6.35% | -16.86% | -2.75% | 36.15% | 46.37% | -13.15% | 17.17% |
USERX U.S. Global Investors Gold & Precious Metals Fund | -8.61% | 167.44% | 16.75% | 1.44% | -17.44% | -10.80% | 37.16% | 51.34% | -14.24% | 13.07% |
Correlation
The correlation between OPGSX and USERX is 0.88, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.88 |
Correlation (3Y) Balances recent behavior with more history. | 0.91 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.93 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.93 |
Correlation (All Time) Calculated using the full available price history since Jul 19, 1983 | 0.87 |
The correlation between OPGSX and USERX has been stable across timeframes, ranging from 0.87 to 0.93 - a consistent structural relationship.
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Return for Risk
OPGSX vs. USERX — Risk / Return Rank
OPGSX
USERX
OPGSX vs. USERX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco Gold & Special Minerals Fund (OPGSX) and U.S. Global Investors Gold & Precious Metals Fund (USERX). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| OPGSX | USERX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.11 | ||
| Sortino ratioReturn per unit of downside risk | -0.04 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.23 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.45 | 1.60 | -0.15 |
| Martin ratioReturn relative to average drawdown | 3.12 | 3.35 | -0.23 |
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Drawdowns
OPGSX vs. USERX - Drawdown Comparison
The maximum OPGSX drawdown since its inception was -80.04%, smaller than the maximum USERX drawdown of -97.74%. Use the drawdown chart below to compare losses from any high point for OPGSX and USERX.
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Drawdown Indicators
| OPGSX | USERX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -80.04% | -97.74% | +17.70% |
Max Drawdown (1Y)Largest decline over 1 year | -36.82% | -37.89% | +1.07% |
Max Drawdown (3Y)Largest decline over 3 years | -36.82% | -37.89% | +1.07% |
Max Drawdown (5Y)Largest decline over 5 years | -47.09% | -40.91% | -6.18% |
Max Drawdown (10Y)Largest decline over 10 years | -47.09% | -43.45% | -3.64% |
Current DrawdownCurrent decline from peak | -31.66% | -50.03% | +18.37% |
Average DrawdownAverage peak-to-trough decline | -29.30% | -74.95% | +45.65% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 16.28% | 18.04% | -1.76% |
Volatility
OPGSX vs. USERX - Volatility Comparison
The current volatility for Invesco Gold & Special Minerals Fund (OPGSX) is 10.93%, while U.S. Global Investors Gold & Precious Metals Fund (USERX) has a volatility of 12.63%. This indicates that OPGSX experiences smaller price fluctuations and is considered to be less risky than USERX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OPGSX | USERX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.93% | 12.63% | -1.70% |
Volatility (6M)Calculated over the trailing 6-month period | 37.19% | 39.89% | -2.70% |
Volatility (1Y)Calculated over the trailing 1-year period | 46.18% | 47.92% | -1.74% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 34.21% | 34.12% | +0.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 33.08% | 34.29% | -1.21% |
OPGSX vs. USERX - Expense Ratio Comparison
OPGSX has a 1.05% expense ratio, which is lower than USERX's 1.52% expense ratio.
Dividends
OPGSX vs. USERX - Dividend Comparison
OPGSX's dividend yield for the trailing twelve months is around 0.47%, less than USERX's 6.35% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OPGSX Invesco Gold & Special Minerals Fund | 0.47% | 0.43% | 0.86% | 0.81% | 0.45% | 3.56% | 1.55% | 0.29% | 0.00% | 2.78% | 7.21% | 0.00% |
USERX U.S. Global Investors Gold & Precious Metals Fund | 6.35% | 2.95% | 1.48% | 0.00% | 0.00% | 2.13% | 2.68% | 0.00% | 1.76% | 0.00% | 0.88% | 0.47% |
Frequently Asked Questions
OPGSX and USERX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
USERX has higher volatility (12.63%) compared to OPGSX (10.93%). In terms of maximum drawdown, OPGSX dropped -80.04% vs USERX's -97.74%.
USERX currently has the higher Sharpe Ratio (1.27 vs 1.16), 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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