DGSFX vs. SEBFX

Last updated Jun 4, 2026

DGSFX (DFA Global Sustainability Fixed Income Portfolio) and SEBFX (Saturna Sustainable Bond Fund) are both Global Bonds funds. Over the past 5 years, DGSFX returned -0.01%/yr vs 1.30%/yr for SEBFX. A 0.57 correlation means they provide meaningful diversification when combined. DGSFX charges 0.26%/yr vs 0.65%/yr for SEBFX.

Performance

DGSFX vs. SEBFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in DFA Global Sustainability Fixed Income Portfolio (DGSFX) and Saturna Sustainable Bond Fund (SEBFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DGSFX achieves a 1.19% return, which is significantly lower than SEBFX's 1.81% return.

DGSFX

• 1D: 0.21%
• 1M: 1.06%
• YTD: 1.19%
• 6M: 0.92%
• 1Y: 3.38%
• 3Y*: 4.55%
• 5Y*: -0.01%
• 10Y*: —

SEBFX

• 1D: 0.10%
• 1M: 0.63%
• YTD: 1.81%
• 6M: 2.08%
• 1Y: 7.02%
• 3Y*: 5.03%
• 5Y*: 1.30%
• 10Y*: 2.27%

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

DGSFX vs. SEBFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
DGSFX DFA Global Sustainability Fixed Income Portfolio	1.19%	3.80%	2.60%	9.67%	-15.61%	-2.95%	7.99%	9.85%	1.15%
SEBFX Saturna Sustainable Bond Fund	1.81%	10.10%	-0.75%	6.95%	-8.54%	-1.77%	6.86%	7.18%	-1.81%

Correlation

The correlation between DGSFX and SEBFX is 0.55, 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	0.55
Correlation (3Y) Calculated over the trailing 3-year period	0.61
Correlation (5Y) Calculated over the trailing 5-year period	0.62
Correlation (All Time) Calculated using the full available price history since Nov 7, 2018	0.57

The correlation between DGSFX and SEBFX has been stable across timeframes, ranging from 0.55 to 0.62 - a consistent structural relationship.

Return for Risk

DGSFX vs. SEBFX — Risk / Return Rank

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

DGSFX

DGSFX Risk / Return Rank: 12
DGSFX Sharpe Ratio Rank: 13
DGSFX Sortino Ratio Rank: 12
DGSFX Omega Ratio Rank: 13
DGSFX Calmar Ratio Rank: 13
DGSFX Martin Ratio Rank: 11

SEBFX

SEBFX Risk / Return Rank: 46
SEBFX Sharpe Ratio Rank: 48
SEBFX Sortino Ratio Rank: 48
SEBFX Omega Ratio Rank: 56
SEBFX Calmar Ratio Rank: 38
SEBFX Martin Ratio Rank: 38

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.

DGSFX vs. SEBFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for DFA Global Sustainability Fixed Income Portfolio (DGSFX) and Saturna Sustainable Bond Fund (SEBFX). 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.

	DGSFX	SEBFX	Difference
Sharpe ratio: Return per unit of total volatility	0.98	2.05	-1.07
Sortino ratio: Return per unit of downside risk	1.41	2.93	-1.53
Omega ratio: Gain probability vs. loss probability	1.18	1.42	-0.24
Calmar ratio: Return relative to maximum drawdown	1.21	2.34	-1.13
Martin ratio: Return relative to average drawdown	3.35	8.27	-4.91
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DGSFX vs. SEBFX - Sharpe Ratio Comparison

The current DGSFX Sharpe Ratio is 0.98, which is lower than the SEBFX Sharpe Ratio of 2.05. The chart below compares the historical Sharpe Ratios of DGSFX and SEBFX, 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

	DGSFX	SEBFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.98	2.05	-1.07
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.00	0.33	-0.33
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.63	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.41	0.68	-0.26

Drawdowns

DGSFX vs. SEBFX - Drawdown Comparison

The maximum DGSFX drawdown since its inception was -21.57%, which is greater than SEBFX's maximum drawdown of -13.51%. Use the drawdown chart below to compare losses from any high point for DGSFX and SEBFX.

Drawdown Indicators

	DGSFX	SEBFX	Difference
Max Drawdown Largest peak-to-trough decline	-21.57%	-13.51%	-8.06%
Max Drawdown (1Y) Largest decline over 1 year	-2.91%	-3.01%	+0.10%
Max Drawdown (3Y) Largest decline over 3 years	-3.68%	-5.51%	+1.83%
Max Drawdown (5Y) Largest decline over 5 years	-21.29%	-13.51%	-7.78%
Max Drawdown (10Y) Largest decline over 10 years	—	-13.51%	—
Current Drawdown Current decline from peak	-3.29%	-0.62%	-2.67%
Average Drawdown Average peak-to-trough decline	-6.60%	-2.93%	-3.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.05%	0.85%	+0.20%

Volatility

DGSFX vs. SEBFX - Volatility Comparison

DFA Global Sustainability Fixed Income Portfolio (DGSFX) has a higher volatility of 1.32% compared to Saturna Sustainable Bond Fund (SEBFX) at 1.02%. This indicates that DGSFX's price experiences larger fluctuations and is considered to be riskier than SEBFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DGSFX	SEBFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.32%	1.02%	+0.30%
Volatility (6M) Calculated over the trailing 6-month period	2.75%	2.82%	-0.07%
Volatility (1Y) Calculated over the trailing 1-year period	3.62%	3.45%	+0.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.35%	3.93%	+1.42%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.88%	3.62%	+1.26%

DGSFX vs. SEBFX - Expense Ratio Comparison

DGSFX has a 0.26% expense ratio, which is lower than SEBFX's 0.65% expense ratio.

Dividends

DGSFX vs. SEBFX - Dividend Comparison

DGSFX's dividend yield for the trailing twelve months is around 3.54%, less than SEBFX's 3.82% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
DGSFX DFA Global Sustainability Fixed Income Portfolio	3.54%	3.02%	4.26%	4.09%	1.97%	1.15%	1.72%	3.37%	0.24%	0.00%	0.00%
SEBFX Saturna Sustainable Bond Fund	3.82%	3.89%	3.28%	3.68%	0.65%	2.61%	0.89%	2.60%	3.05%	2.75%	2.61%

Frequently Asked Questions

Can I hold both DGSFX and SEBFX in my portfolio?

DGSFX and SEBFX have a correlation of 0.55, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DGSFX or SEBFX?

DGSFX has higher volatility (1.32%) compared to SEBFX (1.02%). In terms of maximum drawdown, DGSFX dropped -21.57% vs SEBFX's -13.51%.

Which has better risk-adjusted returns?

SEBFX currently has the higher Sharpe Ratio (2.05 vs 0.98), 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.