SABTX vs. YAFFX

Last updated Jun 4, 2026

SABTX (SA U.S. Value Fund) and YAFFX (AMG Yacktman Focused Fund) are both Large Cap Value Equities funds. Over the past 10 years, SABTX returned 11.51%/yr vs 12.89%/yr for YAFFX. Their correlation of 0.80 suggests significant overlap in exposure. SABTX charges 0.73%/yr vs 1.25%/yr for YAFFX.

Performance

SABTX vs. YAFFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SA U.S. Value Fund (SABTX) and AMG Yacktman Focused Fund (YAFFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SABTX achieves a 17.72% return, which is significantly lower than YAFFX's 30.77% return. Over the past 10 years, SABTX has underperformed YAFFX with an annualized return of 11.51%, while YAFFX has yielded a comparatively higher 12.89% annualized return.

SABTX

• 1D: 1.12%
• 1M: 6.51%
• YTD: 17.72%
• 6M: 19.56%
• 1Y: 37.10%
• 3Y*: 19.92%
• 5Y*: 10.73%
• 10Y*: 11.51%

YAFFX

• 1D: -0.48%
• 1M: 8.70%
• YTD: 30.77%
• 6M: 14.70%
• 1Y: 28.89%
• 3Y*: 17.76%
• 5Y*: 10.40%
• 10Y*: 12.89%

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

SABTX vs. YAFFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SABTX SA U.S. Value Fund	17.72%	17.69%	11.32%	11.82%	-6.35%	27.06%	-2.04%	24.85%	-12.14%	18.45%
YAFFX AMG Yacktman Focused Fund	30.77%	3.89%	9.30%	16.53%	-8.20%	16.48%	17.22%	19.21%	2.99%	20.07%

Correlation

The correlation between SABTX and YAFFX is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (3Y) Calculated over the trailing 3-year period	0.62
Correlation (5Y) Calculated over the trailing 5-year period	0.76
Correlation (10Y) Calculated over the trailing 10-year period	0.76
Correlation (All Time) Calculated using the full available price history since Jan 4, 2000	0.80

Over the past year, the correlation between SABTX and YAFFX has dropped to 0.40 - well below their long-term average of 0.80, suggesting their price drivers have been diverging.

Return for Risk

SABTX vs. YAFFX — Risk / Return Rank

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

SABTX

SABTX Risk / Return Rank: 95
SABTX Sharpe Ratio Rank: 97
SABTX Sortino Ratio Rank: 95
SABTX Omega Ratio Rank: 90
SABTX Calmar Ratio Rank: 97
SABTX Martin Ratio Rank: 96

YAFFX

YAFFX Risk / Return Rank: 25
YAFFX Sharpe Ratio Rank: 21
YAFFX Sortino Ratio Rank: 13
YAFFX Omega Ratio Rank: 44
YAFFX Calmar Ratio Rank: 21
YAFFX Martin Ratio Rank: 25

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.

SABTX vs. YAFFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SA U.S. Value Fund (SABTX) and AMG Yacktman Focused Fund (YAFFX). 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.

	SABTX	YAFFX	Difference
Sharpe ratio: Return per unit of total volatility	3.69	1.32	+2.37
Sortino ratio: Return per unit of downside risk	5.19	1.46	+3.73
Omega ratio: Gain probability vs. loss probability	1.65	1.36	+0.29
Calmar ratio: Return relative to maximum drawdown	6.74	1.71	+5.03
Martin ratio: Return relative to average drawdown	24.35	6.17	+18.17
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SABTX vs. YAFFX - Sharpe Ratio Comparison

The current SABTX Sharpe Ratio is 3.69, which is higher than the YAFFX Sharpe Ratio of 1.32. The chart below compares the historical Sharpe Ratios of SABTX and YAFFX, 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

	SABTX	YAFFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.69	1.32	+2.37
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.67	0.58	+0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.61	0.78	-0.17
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	0.62	-0.25

Drawdowns

SABTX vs. YAFFX - Drawdown Comparison

The maximum SABTX drawdown since its inception was -66.96%, which is greater than YAFFX's maximum drawdown of -43.80%. Use the drawdown chart below to compare losses from any high point for SABTX and YAFFX.

Drawdown Indicators

	SABTX	YAFFX	Difference
Max Drawdown Largest peak-to-trough decline	-66.96%	-43.80%	-23.16%
Max Drawdown (1Y) Largest decline over 1 year	-6.36%	-17.08%	+10.72%
Max Drawdown (3Y) Largest decline over 3 years	-16.63%	-18.88%	+2.25%
Max Drawdown (5Y) Largest decline over 5 years	-20.42%	-21.31%	+0.89%
Max Drawdown (10Y) Largest decline over 10 years	-42.00%	-30.62%	-11.38%
Current Drawdown Current decline from peak	0.00%	-0.48%	+0.48%
Average Drawdown Average peak-to-trough decline	-11.32%	-6.21%	-5.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.73%	4.70%	-2.97%

Volatility

SABTX vs. YAFFX - Volatility Comparison

The current volatility for SA U.S. Value Fund (SABTX) is 2.99%, while AMG Yacktman Focused Fund (YAFFX) has a volatility of 6.13%. This indicates that SABTX experiences smaller price fluctuations and is considered to be less risky than YAFFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SABTX	YAFFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.99%	6.13%	-3.14%
Volatility (6M) Calculated over the trailing 6-month period	8.33%	22.29%	-13.96%
Volatility (1Y) Calculated over the trailing 1-year period	11.63%	22.19%	-10.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.37%	18.10%	-1.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.17%	16.53%	+2.64%

SABTX vs. YAFFX - Expense Ratio Comparison

SABTX has a 0.73% expense ratio, which is lower than YAFFX's 1.25% expense ratio.

Dividends

SABTX vs. YAFFX - Dividend Comparison

SABTX's dividend yield for the trailing twelve months is around 3.29%, while YAFFX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SABTX SA U.S. Value Fund	3.29%	3.88%	2.60%	1.67%	7.66%	4.25%	1.52%	5.14%	9.80%	10.36%	5.08%	6.83%
YAFFX AMG Yacktman Focused Fund	0.00%	0.00%	18.44%	4.42%	7.60%	4.70%	11.87%	15.84%	22.15%	11.82%	11.81%	24.36%

Frequently Asked Questions

Can I hold both SABTX and YAFFX in my portfolio?

SABTX and YAFFX have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SABTX or YAFFX?

YAFFX has higher volatility (6.13%) compared to SABTX (2.99%). In terms of maximum drawdown, SABTX dropped -66.96% vs YAFFX's -43.80%.

Which has better risk-adjusted returns?

SABTX currently has the higher Sharpe Ratio (3.69 vs 1.32), 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.