AGLOX vs. SSGLX

Last updated Jun 4, 2026

AGLOX (Ariel Global Fund) and SSGLX (State Street Global All Cap Equity ex-U.S. Index Fund Class K) are both Global Equities funds. Over the past 10 years, AGLOX returned 10.43%/yr vs 9.82%/yr for SSGLX. A 0.80 correlation means they provide meaningful diversification when combined. AGLOX charges 1.13%/yr vs 0.07%/yr for SSGLX.

Performance

AGLOX vs. SSGLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ariel Global Fund (AGLOX) and State Street Global All Cap Equity ex-U.S. Index Fund Class K (SSGLX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AGLOX achieves a 24.67% return, which is significantly higher than SSGLX's 14.98% return. Over the past 10 years, AGLOX has outperformed SSGLX with an annualized return of 10.43%, while SSGLX has yielded a comparatively lower 9.82% annualized return.

AGLOX

• 1D: 0.47%
• 1M: 11.67%
• YTD: 24.67%
• 6M: 26.56%
• 1Y: 40.34%
• 3Y*: 20.27%
• 5Y*: 12.48%
• 10Y*: 10.43%

SSGLX

• 1D: 0.67%
• 1M: 4.89%
• YTD: 14.98%
• 6M: 18.09%
• 1Y: 32.74%
• 3Y*: 19.68%
• 5Y*: 8.65%
• 10Y*: 9.82%

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

AGLOX vs. SSGLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AGLOX Ariel Global Fund	24.67%	23.22%	6.55%	12.40%	-5.47%	11.53%	7.70%	15.98%	-6.03%	15.63%
SSGLX State Street Global All Cap Equity ex-U.S. Index Fund Class K	14.98%	32.64%	4.98%	15.67%	-16.44%	8.36%	11.11%	21.52%	-14.05%	27.12%

Correlation

The correlation between AGLOX and SSGLX is 0.72, 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	0.72
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.78
Correlation (10Y) Calculated over the trailing 10-year period	0.79
Correlation (All Time) Calculated using the full available price history since Sep 19, 2014	0.80

The correlation between AGLOX and SSGLX has been stable across timeframes, ranging from 0.72 to 0.80 - a consistent structural relationship.

Return for Risk

AGLOX vs. SSGLX — Risk / Return Rank

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

AGLOX

AGLOX Risk / Return Rank: 86
AGLOX Sharpe Ratio Rank: 93
AGLOX Sortino Ratio Rank: 89
AGLOX Omega Ratio Rank: 88
AGLOX Calmar Ratio Rank: 83
AGLOX Martin Ratio Rank: 78

SSGLX

SSGLX Risk / Return Rank: 62
SSGLX Sharpe Ratio Rank: 67
SSGLX Sortino Ratio Rank: 64
SSGLX Omega Ratio Rank: 67
SSGLX Calmar Ratio Rank: 57
SSGLX Martin Ratio Rank: 56

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.

AGLOX vs. SSGLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ariel Global Fund (AGLOX) and State Street Global All Cap Equity ex-U.S. Index Fund Class K (SSGLX). 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.

	AGLOX	SSGLX	Difference
Sharpe ratio: Return per unit of total volatility	3.18	2.40	+0.78
Sortino ratio: Return per unit of downside risk	4.37	3.35	+1.02
Omega ratio: Gain probability vs. loss probability	1.62	1.46	+0.16
Calmar ratio: Return relative to maximum drawdown	3.87	2.89	+0.98
Martin ratio: Return relative to average drawdown	14.65	11.22	+3.43
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AGLOX vs. SSGLX - Sharpe Ratio Comparison

The current AGLOX Sharpe Ratio is 3.18, which is higher than the SSGLX Sharpe Ratio of 2.40. The chart below compares the historical Sharpe Ratios of AGLOX and SSGLX, 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

	AGLOX	SSGLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.18	2.40	+0.78
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.99	0.59	+0.40
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.80	0.61	+0.19
Sharpe Ratio (All Time) Calculated using the full available price history	0.79	0.45	+0.35

Drawdowns

AGLOX vs. SSGLX - Drawdown Comparison

The maximum AGLOX drawdown since its inception was -24.72%, smaller than the maximum SSGLX drawdown of -35.88%. Use the drawdown chart below to compare losses from any high point for AGLOX and SSGLX.

Drawdown Indicators

	AGLOX	SSGLX	Difference
Max Drawdown Largest peak-to-trough decline	-24.72%	-35.88%	+11.16%
Max Drawdown (1Y) Largest decline over 1 year	-10.66%	-11.22%	+0.56%
Max Drawdown (3Y) Largest decline over 3 years	-12.94%	-13.56%	+0.62%
Max Drawdown (5Y) Largest decline over 5 years	-16.77%	-30.08%	+13.31%
Max Drawdown (10Y) Largest decline over 10 years	-24.72%	-35.88%	+11.16%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-3.37%	-8.23%	+4.86%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.81%	2.88%	-0.07%

Volatility

AGLOX vs. SSGLX - Volatility Comparison

Ariel Global Fund (AGLOX) and State Street Global All Cap Equity ex-U.S. Index Fund Class K (SSGLX) have volatilities of 4.40% and 4.55%, 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

	AGLOX	SSGLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.40%	4.55%	-0.15%
Volatility (6M) Calculated over the trailing 6-month period	10.57%	11.38%	-0.81%
Volatility (1Y) Calculated over the trailing 1-year period	12.98%	13.56%	-0.58%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.66%	14.74%	-2.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.16%	16.24%	-3.08%

AGLOX vs. SSGLX - Expense Ratio Comparison

AGLOX has a 1.13% expense ratio, which is higher than SSGLX's 0.07% expense ratio.

Dividends

AGLOX vs. SSGLX - Dividend Comparison

AGLOX's dividend yield for the trailing twelve months is around 13.14%, more than SSGLX's 3.84% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AGLOX Ariel Global Fund	13.14%	16.38%	27.80%	18.51%	4.82%	2.00%	0.85%	4.39%	3.42%	4.48%	2.65%	0.81%
SSGLX State Street Global All Cap Equity ex-U.S. Index Fund Class K	3.84%	4.41%	4.46%	2.98%	2.85%	4.20%	1.72%	4.80%	8.32%	3.98%	1.52%	2.09%

Frequently Asked Questions

Can I hold both AGLOX and SSGLX in my portfolio?

AGLOX and SSGLX have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AGLOX or SSGLX?

SSGLX has higher volatility (4.55%) compared to AGLOX (4.40%). In terms of maximum drawdown, AGLOX dropped -24.72% vs SSGLX's -35.88%.

Which has better risk-adjusted returns?

AGLOX currently has the higher Sharpe Ratio (3.18 vs 2.40), 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.