SAUFX vs. SAMKX

Last updated Apr 1, 2026

Compare and contrast key facts about SA U.S. Fixed Income Fund (SAUFX) and SA U.S. Core Market Fund (SAMKX).

SAUFX is managed by SA Funds. It was launched on Apr 2, 2007. SAMKX is managed by SA Funds. It was launched on Aug 5, 1999.

Performance

SAUFX vs. SAMKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SA U.S. Fixed Income Fund (SAUFX) and SA U.S. Core Market Fund (SAMKX). The values are adjusted to include any dividend payments, if applicable.

SAUFX vs. SAMKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SAUFX SA U.S. Fixed Income Fund	0.29%	4.85%	5.23%	4.04%	-5.11%	-1.38%	0.61%	2.27%	1.28%	0.24%
SAMKX SA U.S. Core Market Fund	-6.27%	15.80%	22.80%	25.81%	-18.91%	25.66%	18.88%	30.56%	-4.69%	22.20%

Returns By Period

In the year-to-date period, SAUFX achieves a 0.29% return, which is significantly higher than SAMKX's -6.27% return. Over the past 10 years, SAUFX has underperformed SAMKX with an annualized return of 1.19%, while SAMKX has yielded a comparatively higher 12.91% annualized return.

SAUFX

• 1D: 0.21%
• 1M: -0.64%
• YTD: 0.29%
• 6M: 1.25%
• 1Y: 4.38%
• 3Y*: 4.40%
• 5Y*: 1.52%
• 10Y*: 1.19%

SAMKX

• 1D: -0.31%
• 1M: -7.74%
• YTD: -6.27%
• 6M: -3.88%
• 1Y: 13.55%
• 3Y*: 16.02%
• 5Y*: 10.17%
• 10Y*: 12.91%

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

SAUFX vs. SAMKX - Expense Ratio Comparison

SAUFX has a 0.40% expense ratio, which is lower than SAMKX's 0.67% expense ratio.

SAMKX

SA U.S. Core Market Fund

SAUFX

SA U.S. Fixed Income Fund

Return for Risk

SAUFX vs. SAMKX — Risk / Return Rank

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

SAUFX

SAUFX Risk / Return Rank: 92
SAUFX Sharpe Ratio Rank: 96
SAUFX Sortino Ratio Rank: 96
SAUFX Omega Ratio Rank: 96
SAUFX Calmar Ratio Rank: 87
SAUFX Martin Ratio Rank: 87

SAMKX

SAMKX Risk / Return Rank: 27
SAMKX Sharpe Ratio Rank: 37
SAMKX Sortino Ratio Rank: 38
SAMKX Omega Ratio Rank: 38
SAMKX Calmar Ratio Rank: 10
SAMKX Martin Ratio Rank: 10

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.

SAUFX vs. SAMKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SA U.S. Fixed Income Fund (SAUFX) and SA U.S. Core Market Fund (SAMKX). 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.

	SAUFX	SAMKX	Difference
Sharpe ratio Return per unit of total volatility	2.37	0.81	+1.56
Sortino ratio Return per unit of downside risk	3.57	1.25	+2.33
Omega ratio Gain probability vs. loss probability	1.56	1.18	+0.39
Calmar ratio Return relative to maximum drawdown	2.30	0.21	+2.09
Martin ratio Return relative to average drawdown	9.29	0.76	+8.53
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SAUFX vs. SAMKX - Sharpe Ratio Comparison

The current SAUFX Sharpe Ratio is 2.37, which is higher than the SAMKX Sharpe Ratio of 0.81. The chart below compares the historical Sharpe Ratios of SAUFX and SAMKX, 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

	SAUFX	SAMKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.37	0.81	+1.56
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.75	0.62	+0.13
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.80	0.75	+0.05
Sharpe Ratio (All Time) Calculated using the full available price history	0.84	0.80	+0.04

Correlation

The correlation between SAUFX and SAMKX is 0.02, 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.

Dividends

SAUFX vs. SAMKX - Dividend Comparison

SAUFX's dividend yield for the trailing twelve months is around 4.21%, more than SAMKX's 0.71% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SAUFX SA U.S. Fixed Income Fund	4.21%	3.38%	4.91%	2.58%	1.26%	0.00%	0.41%	1.86%	1.47%	0.74%	0.43%	0.26%
SAMKX SA U.S. Core Market Fund	0.71%	0.66%	0.69%	0.86%	5.83%	7.72%	8.08%	12.72%	6.46%	4.09%	6.20%	0.89%

Drawdowns

SAUFX vs. SAMKX - Drawdown Comparison

The maximum SAUFX drawdown since its inception was -7.43%, smaller than the maximum SAMKX drawdown of -33.77%. Use the drawdown chart below to compare losses from any high point for SAUFX and SAMKX.

Drawdown Indicators

	SAUFX	SAMKX	Difference
Max Drawdown Largest peak-to-trough decline	-7.43%	-33.77%	+26.34%
Max Drawdown (1Y) Largest decline over 1 year	-1.55%	-11.97%	+10.42%
Max Drawdown (5Y) Largest decline over 5 years	-7.34%	-24.88%	+17.54%
Max Drawdown (10Y) Largest decline over 10 years	-7.43%	-33.77%	+26.34%
Current Drawdown Current decline from peak	-0.64%	-8.75%	+8.11%
Average Drawdown Average peak-to-trough decline	-0.75%	-3.96%	+3.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.46%	5.08%	-4.62%

Volatility

SAUFX vs. SAMKX - Volatility Comparison

The current volatility for SA U.S. Fixed Income Fund (SAUFX) is 0.66%, while SA U.S. Core Market Fund (SAMKX) has a volatility of 4.16%. This indicates that SAUFX experiences smaller price fluctuations and is considered to be less risky than SAMKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SAUFX	SAMKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.66%	4.16%	-3.50%
Volatility (6M) Calculated over the trailing 6-month period	1.05%	8.65%	-7.60%
Volatility (1Y) Calculated over the trailing 1-year period	2.23%	17.36%	-15.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.07%	16.84%	-14.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.52%	17.51%	-15.99%