YFSNX vs. SSGLX

Last updated Jun 8, 2026

YFSNX (AMG Yacktman Global Fund Class N) and SSGLX (State Street Global All Cap Equity ex-U.S. Index Fund Class K) are both Global Equities funds. YFSNX is actively managed, while SSGLX is passively managed. Over the past 5 years, YFSNX returned 7.60%/yr vs 8.36%/yr for SSGLX. A 0.76 correlation means they provide meaningful diversification when combined. YFSNX charges 1.11%/yr vs 0.07%/yr for SSGLX.

Performance

YFSNX vs. SSGLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AMG Yacktman Global Fund Class N (YFSNX) 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, YFSNX achieves a 22.00% return, which is significantly higher than SSGLX's 14.22% return.

YFSNX

• 1D: -3.62%
• 1M: -1.80%
• YTD: 22.00%
• 6M: 8.84%
• 1Y: 22.60%
• 3Y*: 15.64%
• 5Y*: 7.60%
• 10Y*: —

SSGLX

• 1D: -0.40%
• 1M: 1.60%
• YTD: 14.22%
• 6M: 16.56%
• 1Y: 30.98%
• 3Y*: 19.50%
• 5Y*: 8.36%
• 10Y*: 9.69%

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

YFSNX vs. SSGLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
YFSNX AMG Yacktman Global Fund Class N	22.00%	14.79%	-0.47%	16.48%	-9.39%	13.00%	18.32%	24.48%	2.18%	20.95%
SSGLX State Street Global All Cap Equity ex-U.S. Index Fund Class K	14.22%	32.64%	4.98%	15.67%	-16.44%	8.36%	11.11%	21.52%	-14.05%	22.36%

Correlation

The correlation between YFSNX and SSGLX is 0.54, 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	0.54
Correlation (3Y) Calculated over the trailing 3-year period	0.67
Correlation (5Y) Calculated over the trailing 5-year period	0.75
Correlation (All Time) Calculated using the full available price history since Feb 3, 2017	0.76

Over the past year, the correlation between YFSNX and SSGLX has dropped to 0.54 - well below their long-term average of 0.76, suggesting their price drivers have been diverging.

Return for Risk

YFSNX vs. SSGLX — Risk / Return Rank

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

YFSNX

YFSNX Risk / Return Rank: 21
YFSNX Sharpe Ratio Rank: 17
YFSNX Sortino Ratio Rank: 12
YFSNX Omega Ratio Rank: 30
YFSNX Calmar Ratio Rank: 24
YFSNX Martin Ratio Rank: 23

SSGLX

SSGLX Risk / Return Rank: 62
SSGLX Sharpe Ratio Rank: 65
SSGLX Sortino Ratio Rank: 64
SSGLX Omega Ratio Rank: 67
SSGLX Calmar Ratio Rank: 56
SSGLX Martin Ratio Rank: 55

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.

YFSNX vs. SSGLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AMG Yacktman Global Fund Class N (YFSNX) 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.

	YFSNX	SSGLX	Difference
Sharpe ratio: Return per unit of total volatility	1.11	2.31	-1.20
Sortino ratio: Return per unit of downside risk	1.30	3.24	-1.94
Omega ratio: Gain probability vs. loss probability	1.27	1.44	-0.17
Calmar ratio: Return relative to maximum drawdown	1.70	2.78	-1.08
Martin ratio: Return relative to average drawdown	5.34	10.80	-5.46
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

YFSNX vs. SSGLX - Sharpe Ratio Comparison

The current YFSNX Sharpe Ratio is 1.11, which is lower than the SSGLX Sharpe Ratio of 2.31. The chart below compares the historical Sharpe Ratios of YFSNX 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

	YFSNX	SSGLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.11	2.31	-1.20
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.49	0.57	-0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.60	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.78	0.44	+0.33

Drawdowns

YFSNX vs. SSGLX - Drawdown Comparison

The maximum YFSNX drawdown since its inception was -35.14%, roughly equal to the maximum SSGLX drawdown of -35.88%. Use the drawdown chart below to compare losses from any high point for YFSNX and SSGLX.

Drawdown Indicators

	YFSNX	SSGLX	Difference
Max Drawdown Largest peak-to-trough decline	-35.14%	-35.88%	+0.74%
Max Drawdown (1Y) Largest decline over 1 year	-14.09%	-11.22%	-2.87%
Max Drawdown (3Y) Largest decline over 3 years	-14.29%	-13.56%	-0.73%
Max Drawdown (5Y) Largest decline over 5 years	-25.26%	-30.08%	+4.82%
Max Drawdown (10Y) Largest decline over 10 years	—	-35.88%	—
Current Drawdown Current decline from peak	-4.79%	-0.66%	-4.13%
Average Drawdown Average peak-to-trough decline	-4.94%	-8.23%	+3.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.45%	2.88%	+1.57%

Volatility

YFSNX vs. SSGLX - Volatility Comparison

AMG Yacktman Global Fund Class N (YFSNX) has a higher volatility of 6.73% compared to State Street Global All Cap Equity ex-U.S. Index Fund Class K (SSGLX) at 4.60%. This indicates that YFSNX'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

	YFSNX	SSGLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.73%	4.60%	+2.13%
Volatility (6M) Calculated over the trailing 6-month period	21.01%	11.40%	+9.61%
Volatility (1Y) Calculated over the trailing 1-year period	21.56%	13.54%	+8.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.45%	14.74%	+0.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.28%	16.23%	+0.05%

YFSNX vs. SSGLX - Expense Ratio Comparison

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

Dividends

YFSNX vs. SSGLX - Dividend Comparison

YFSNX has not paid dividends to shareholders, while SSGLX's dividend yield for the trailing twelve months is around 3.86%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SSGLX State Street Global All Cap Equity ex-U.S. Index Fund Class K	3.86%	4.41%	4.46%	2.98%	2.85%	4.20%	1.72%	4.80%	8.32%	3.98%	1.52%	2.09%
YFSNX AMG Yacktman Global Fund Class N	0.00%	0.00%	8.40%	7.86%	4.33%	8.06%	4.71%	6.59%	0.71%	2.63%	0.00%	0.00%

Frequently Asked Questions

Can I hold both YFSNX and SSGLX in my portfolio?

YFSNX and SSGLX have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, YFSNX or SSGLX?

YFSNX has higher volatility (6.73%) compared to SSGLX (4.60%). In terms of maximum drawdown, YFSNX dropped -35.14% vs SSGLX's -35.88%.

Which has better risk-adjusted returns?

SSGLX currently has the higher Sharpe Ratio (2.31 vs 1.11), 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.