GROW vs. ^GSPC

Last updated Apr 2, 2026

Compare and contrast key facts about U.S. Global Investors, Inc. (GROW) and S&P 500 Index (^GSPC).

Performance

GROW vs. ^GSPC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in U.S. Global Investors, Inc. (GROW) and S&P 500 Index (^GSPC). The values are adjusted to include any dividend payments, if applicable.

GROW vs. ^GSPC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GROW U.S. Global Investors, Inc.	7.07%	2.61%	-10.45%	0.68%	-32.67%	-18.41%	284.62%	33.73%	-71.36%	191.93%
^GSPC S&P 500 Index	-3.95%	16.39%	23.31%	24.23%	-19.44%	26.89%	16.26%	28.88%	-6.24%	19.42%

Returns By Period

In the year-to-date period, GROW achieves a 7.07% return, which is significantly higher than ^GSPC's -3.95% return. Over the past 10 years, GROW has underperformed ^GSPC with an annualized return of 6.58%, while ^GSPC has yielded a comparatively higher 12.24% annualized return.

GROW

• 1D: 3.23%
• 1M: -23.40%
• YTD: 7.07%
• 6M: -5.65%
• 1Y: 17.49%
• 3Y*: 2.08%
• 5Y*: -16.11%
• 10Y*: 6.58%

^GSPC

• 1D: 0.72%
• 1M: -4.45%
• YTD: -3.95%
• 6M: -2.02%
• 1Y: 16.73%
• 3Y*: 16.96%
• 5Y*: 10.34%
• 10Y*: 12.24%

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

Return for Risk

GROW vs. ^GSPC — Risk / Return Rank

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

GROW

GROW Risk / Return Rank: 55
GROW Sharpe Ratio Rank: 58
GROW Sortino Ratio Rank: 52
GROW Omega Ratio Rank: 52
GROW Calmar Ratio Rank: 54
GROW Martin Ratio Rank: 59

^GSPC

^GSPC Risk / Return Rank: 67
^GSPC Sharpe Ratio Rank: 63
^GSPC Sortino Ratio Rank: 64
^GSPC Omega Ratio Rank: 69
^GSPC Calmar Ratio Rank: 60
^GSPC Martin Ratio Rank: 77

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.

GROW vs. ^GSPC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for U.S. Global Investors, Inc. (GROW) and S&P 500 Index (^GSPC). 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.

	GROW	^GSPC	Difference
Sharpe ratio Return per unit of total volatility	0.47	0.92	-0.45
Sortino ratio Return per unit of downside risk	0.92	1.41	-0.50
Omega ratio Gain probability vs. loss probability	1.12	1.21	-0.09
Calmar ratio Return relative to maximum drawdown	0.57	1.41	-0.85
Martin ratio Return relative to average drawdown	1.90	6.61	-4.72
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GROW vs. ^GSPC - Sharpe Ratio Comparison

The current GROW Sharpe Ratio is 0.47, which is lower than the ^GSPC Sharpe Ratio of 0.92. The chart below compares the historical Sharpe Ratios of GROW and ^GSPC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	GROW	^GSPC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.47	0.92	-0.45
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.40	0.61	-1.02
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.10	0.68	-0.58
Sharpe Ratio (All Time) Calculated using the full available price history	0.04	0.46	-0.42

Correlation

The correlation between GROW and ^GSPC is 0.20, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Drawdowns

GROW vs. ^GSPC - Drawdown Comparison

The maximum GROW drawdown since its inception was -96.74%, which is greater than ^GSPC's maximum drawdown of -56.78%. Use the drawdown chart below to compare losses from any high point for GROW and ^GSPC.

Drawdown Indicators

	GROW	^GSPC	Difference
Max Drawdown Largest peak-to-trough decline	-96.74%	-56.78%	-39.96%
Max Drawdown (1Y) Largest decline over 1 year	-30.78%	-12.14%	-18.64%
Max Drawdown (5Y) Largest decline over 5 years	-80.71%	-25.43%	-55.28%
Max Drawdown (10Y) Largest decline over 10 years	-87.01%	-33.92%	-53.09%
Current Drawdown Current decline from peak	-88.52%	-5.78%	-82.74%
Average Drawdown Average peak-to-trough decline	-66.89%	-10.75%	-56.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.22%	2.60%	+6.62%

Volatility

GROW vs. ^GSPC - Volatility Comparison

U.S. Global Investors, Inc. (GROW) has a higher volatility of 14.78% compared to S&P 500 Index (^GSPC) at 5.37%. This indicates that GROW's price experiences larger fluctuations and is considered to be riskier than ^GSPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GROW	^GSPC	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.78%	5.37%	+9.41%
Volatility (6M) Calculated over the trailing 6-month period	31.54%	9.55%	+21.99%
Volatility (1Y) Calculated over the trailing 1-year period	37.26%	18.33%	+18.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	40.23%	16.90%	+23.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	66.85%	18.05%	+48.80%