UNWPX vs. OPGSX

Last updated Jun 5, 2026

UNWPX (U.S. Global Investors World Precious Minerals Fund) and OPGSX (Invesco Gold & Special Minerals Fund) are both Precious Metals funds. Over the past 10 years, UNWPX returned 5.78%/yr vs 14.84%/yr for OPGSX. Their correlation of 0.85 suggests significant overlap in exposure. UNWPX charges 1.53%/yr vs 1.05%/yr for OPGSX.

Performance

UNWPX vs. OPGSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in U.S. Global Investors World Precious Minerals Fund (UNWPX) and Invesco Gold & Special Minerals Fund (OPGSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, UNWPX achieves a 19.08% return, which is significantly higher than OPGSX's 0.41% return. Over the past 10 years, UNWPX has underperformed OPGSX with an annualized return of 5.78%, while OPGSX has yielded a comparatively higher 14.84% annualized return.

UNWPX

• 1D: -4.05%
• 1M: 1.43%
• YTD: 19.08%
• 6M: 30.15%
• 1Y: 97.38%
• 3Y*: 36.43%
• 5Y*: 4.64%
• 10Y*: 5.78%

OPGSX

• 1D: -3.03%
• 1M: -1.12%
• YTD: 0.41%
• 6M: 6.66%
• 1Y: 52.64%
• 3Y*: 37.05%
• 5Y*: 15.28%
• 10Y*: 14.84%

*Multi-year figures are annualized to reflect compound growth (CAGR)

UNWPX vs. OPGSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
UNWPX U.S. Global Investors World Precious Minerals Fund	19.08%	136.32%	2.07%	-16.18%	-32.95%	-13.88%	70.83%	22.59%	-31.49%	-3.82%
OPGSX Invesco Gold & Special Minerals Fund	0.41%	131.03%	13.05%	6.35%	-16.86%	-2.75%	36.15%	46.37%	-13.15%	17.17%

Correlation

The correlation between UNWPX and OPGSX is 0.74, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.74
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.80
Correlation (10Y) Calculated over the trailing 10-year period	0.81
Correlation (All Time) Calculated using the full available price history since Nov 29, 1985	0.85

The correlation between UNWPX and OPGSX shifts across timeframes, from 0.74 (1 year) to 0.85 (all time), reflecting how their relationship changes across market environments.

Return for Risk

UNWPX vs. OPGSX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

UNWPX

UNWPX Risk / Return Rank: 62
UNWPX Sharpe Ratio Rank: 69
UNWPX Sortino Ratio Rank: 45
UNWPX Omega Ratio Rank: 49
UNWPX Calmar Ratio Rank: 79
UNWPX Martin Ratio Rank: 70

OPGSX

OPGSX Risk / Return Rank: 23
OPGSX Sharpe Ratio Rank: 24
OPGSX Sortino Ratio Rank: 19
OPGSX Omega Ratio Rank: 23
OPGSX Calmar Ratio Rank: 31
OPGSX Martin Ratio Rank: 20

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

UNWPX vs. OPGSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for U.S. Global Investors World Precious Minerals Fund (UNWPX) and Invesco Gold & Special Minerals Fund (OPGSX). 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.

	UNWPX	OPGSX	Difference
Sharpe ratio: Return per unit of total volatility	2.40	1.39	+1.01
Sortino ratio: Return per unit of downside risk	2.78	1.85	+0.93
Omega ratio: Gain probability vs. loss probability	1.38	1.25	+0.12
Calmar ratio: Return relative to maximum drawdown	3.54	2.07	+1.47
Martin ratio: Return relative to average drawdown	13.29	5.29	+8.00
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

UNWPX vs. OPGSX - Sharpe Ratio Comparison

The current UNWPX Sharpe Ratio is 2.40, which is higher than the OPGSX Sharpe Ratio of 1.39. The chart below compares the historical Sharpe Ratios of UNWPX and OPGSX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	UNWPX	OPGSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.40	1.39	+1.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.15	0.47	-0.32
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.19	0.46	-0.27
Sharpe Ratio (All Time) Calculated using the full available price history	0.07	0.25	-0.19

Drawdowns

UNWPX vs. OPGSX - Drawdown Comparison

The maximum UNWPX drawdown since its inception was -83.78%, roughly equal to the maximum OPGSX drawdown of -80.04%. Use the drawdown chart below to compare losses from any high point for UNWPX and OPGSX.

Drawdown Indicators

	UNWPX	OPGSX	Difference
Max Drawdown Largest peak-to-trough decline	-83.78%	-80.04%	-3.74%
Max Drawdown (1Y) Largest decline over 1 year	-29.02%	-29.01%	-0.01%
Max Drawdown (3Y) Largest decline over 3 years	-29.17%	-29.01%	-0.16%
Max Drawdown (5Y) Largest decline over 5 years	-64.16%	-47.09%	-17.07%
Max Drawdown (10Y) Largest decline over 10 years	-69.19%	-47.09%	-22.10%
Current Drawdown Current decline from peak	-32.89%	-24.67%	-8.22%
Average Drawdown Average peak-to-trough decline	-49.49%	-29.29%	-20.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.72%	10.85%	-3.13%

Volatility

UNWPX vs. OPGSX - Volatility Comparison

U.S. Global Investors World Precious Minerals Fund (UNWPX) and Invesco Gold & Special Minerals Fund (OPGSX) have volatilities of 13.75% and 13.46%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	UNWPX	OPGSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.75%	13.46%	+0.29%
Volatility (6M) Calculated over the trailing 6-month period	36.00%	35.95%	+0.05%
Volatility (1Y) Calculated over the trailing 1-year period	42.78%	43.13%	-0.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	31.43%	33.57%	-2.14%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.43%	32.89%	-2.46%

UNWPX vs. OPGSX - Expense Ratio Comparison

UNWPX has a 1.53% expense ratio, which is higher than OPGSX's 1.05% expense ratio.

Dividends

UNWPX vs. OPGSX - Dividend Comparison

UNWPX's dividend yield for the trailing twelve months is around 75.39%, more than OPGSX's 0.43% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OPGSX Invesco Gold & Special Minerals Fund	0.43%	0.43%	0.86%	0.81%	0.45%	3.56%	1.55%	0.29%	0.00%	2.78%	7.21%	0.00%
UNWPX U.S. Global Investors World Precious Minerals Fund	75.39%	5.95%	0.00%	0.00%	0.00%	71.74%	6.76%	0.00%	17.45%	28.55%	0.33%	9.84%

Frequently Asked Questions

Can I hold both UNWPX and OPGSX in my portfolio?

UNWPX and OPGSX have a correlation of 0.74, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, UNWPX or OPGSX?

UNWPX has higher volatility (13.75%) compared to OPGSX (13.46%). In terms of maximum drawdown, UNWPX dropped -83.78% vs OPGSX's -80.04%.

Which has better risk-adjusted returns?

UNWPX currently has the higher Sharpe Ratio (2.40 vs 1.39), 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.