AGCVX vs. SSGLX

Last updated Apr 1, 2026

Compare and contrast key facts about American Century Global Small Cap Fund (AGCVX) and State Street Global All Cap Equity ex-U.S. Index Fund Class K (SSGLX).

AGCVX is managed by American Century. It was launched on Mar 28, 2016. SSGLX is a passively managed fund by State Street that tracks the performance of the MSCI ACWI ex USA Investable Market Index. It was launched on Sep 17, 2014.

Performance

AGCVX vs. SSGLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Global Small Cap Fund (AGCVX) 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.

AGCVX vs. SSGLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AGCVX American Century Global Small Cap Fund	-3.76%	10.96%	12.52%	10.17%	-29.46%	18.44%	46.34%	35.08%	-12.80%	37.97%
SSGLX State Street Global All Cap Equity ex-U.S. Index Fund Class K	-0.64%	32.64%	4.98%	15.67%	-16.44%	8.36%	11.11%	21.52%	-14.05%	27.26%

Returns By Period

In the year-to-date period, AGCVX achieves a -3.76% return, which is significantly lower than SSGLX's -0.64% return.

AGCVX

• 1D: -1.45%
• 1M: -13.52%
• YTD: -3.76%
• 6M: -5.34%
• 1Y: 15.42%
• 3Y*: 7.78%
• 5Y*: 0.82%
• 10Y*: —

SSGLX

• 1D: 0.39%
• 1M: -10.87%
• YTD: -0.64%
• 6M: 4.10%
• 1Y: 24.88%
• 3Y*: 14.40%
• 5Y*: 6.92%
• 10Y*: 8.58%

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

AGCVX vs. SSGLX - Expense Ratio Comparison

AGCVX has a 1.11% expense ratio, which is higher than SSGLX's 0.07% expense ratio.

AGCVX

American Century Global Small Cap Fund

SSGLX

State Street Global All Cap Equity ex-U.S. Index Fund Class K

Return for Risk

AGCVX vs. SSGLX — Risk / Return Rank

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

AGCVX

AGCVX Risk / Return Rank: 31
AGCVX Sharpe Ratio Rank: 31
AGCVX Sortino Ratio Rank: 31
AGCVX Omega Ratio Rank: 29
AGCVX Calmar Ratio Rank: 32
AGCVX Martin Ratio Rank: 31

SSGLX

SSGLX Risk / Return Rank: 81
SSGLX Sharpe Ratio Rank: 82
SSGLX Sortino Ratio Rank: 82
SSGLX Omega Ratio Rank: 81
SSGLX Calmar Ratio Rank: 82
SSGLX Martin Ratio Rank: 80

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.

AGCVX vs. SSGLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Global Small Cap Fund (AGCVX) 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.

	AGCVX	SSGLX	Difference
Sharpe ratio Return per unit of total volatility	0.72	1.56	-0.83
Sortino ratio Return per unit of downside risk	1.11	2.12	-1.01
Omega ratio Gain probability vs. loss probability	1.15	1.32	-0.17
Calmar ratio Return relative to maximum drawdown	0.91	2.00	-1.09
Martin ratio Return relative to average drawdown	3.32	7.90	-4.58
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AGCVX vs. SSGLX - Sharpe Ratio Comparison

The current AGCVX Sharpe Ratio is 0.72, which is lower than the SSGLX Sharpe Ratio of 1.56. The chart below compares the historical Sharpe Ratios of AGCVX and SSGLX, 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

	AGCVX	SSGLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.72	1.56	-0.83
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.04	0.48	-0.44
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.53	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.53	0.37	+0.16

Correlation

The correlation between AGCVX and SSGLX is 0.76, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

AGCVX vs. SSGLX - Dividend Comparison

AGCVX's dividend yield for the trailing twelve months is around 0.74%, less than SSGLX's 4.44% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AGCVX American Century Global Small Cap Fund	0.74%	0.71%	2.19%	0.22%	0.00%	17.80%	4.84%	4.97%	2.27%	5.04%	0.00%	0.00%
SSGLX State Street Global All Cap Equity ex-U.S. Index Fund Class K	4.44%	4.41%	4.46%	2.98%	2.85%	4.20%	1.72%	4.80%	8.32%	3.98%	1.52%	2.09%

Drawdowns

AGCVX vs. SSGLX - Drawdown Comparison

The maximum AGCVX drawdown since its inception was -40.08%, which is greater than SSGLX's maximum drawdown of -35.88%. Use the drawdown chart below to compare losses from any high point for AGCVX and SSGLX.

Drawdown Indicators

	AGCVX	SSGLX	Difference
Max Drawdown Largest peak-to-trough decline	-40.08%	-35.88%	-4.20%
Max Drawdown (1Y) Largest decline over 1 year	-13.82%	-11.22%	-2.60%
Max Drawdown (5Y) Largest decline over 5 years	-38.95%	-30.08%	-8.87%
Max Drawdown (10Y) Largest decline over 10 years	—	-35.88%	—
Current Drawdown Current decline from peak	-13.82%	-10.87%	-2.95%
Average Drawdown Average peak-to-trough decline	-12.96%	-8.32%	-4.64%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.80%	2.84%	+0.96%

Volatility

AGCVX vs. SSGLX - Volatility Comparison

American Century Global Small Cap Fund (AGCVX) has a higher volatility of 8.16% compared to State Street Global All Cap Equity ex-U.S. Index Fund Class K (SSGLX) at 6.44%. This indicates that AGCVX's price experiences larger fluctuations and is considered to be riskier than SSGLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AGCVX	SSGLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.16%	6.44%	+1.72%
Volatility (6M) Calculated over the trailing 6-month period	13.88%	10.02%	+3.86%
Volatility (1Y) Calculated over the trailing 1-year period	20.87%	15.49%	+5.38%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.31%	14.49%	+5.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.95%	16.15%	+4.80%