DFSB vs. VBIL

Last updated Jun 24, 2026

DFSB (Dimensional Global Sustainability Fixed Income ETF) and VBIL (Vanguard 0-3 Month Treasury Bill ETF) are both exchange-traded funds - DFSB is a Global Bonds fund actively managed by Dimensional, while VBIL is a Ultrashort Bond fund tracking the Bloomberg US Treasury Bills 0-3 Months Index. DFSB is actively managed, while VBIL is passively managed. Over the past year, DFSB returned 3.35% vs 3.91% for VBIL. At a correlation of -0.05, they often move in opposite directions. DFSB charges 0.24%/yr vs 0.07%/yr for VBIL.

Performance

DFSB vs. VBIL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dimensional Global Sustainability Fixed Income ETF (DFSB) and Vanguard 0-3 Month Treasury Bill ETF (VBIL). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DFSB achieves a 0.68% return, which is significantly lower than VBIL's 1.71% return.

DFSB

• 1D: -0.55%
• 1M: 0.33%
• YTD: 0.68%
• 6M: 0.68%
• 1Y: 3.35%
• 3Y*: 4.71%
• 5Y*: —
• 10Y*: —

VBIL

• 1D: 0.01%
• 1M: 0.30%
• YTD: 1.71%
• 6M: 1.81%
• 1Y: 3.91%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

DFSB vs. VBIL - Yearly Performance Comparison

	2026 (YTD)	2025
DFSB Dimensional Global Sustainability Fixed Income ETF	0.68%	4.48%
VBIL Vanguard 0-3 Month Treasury Bill ETF	1.71%	3.73%

Correlation

The correlation between DFSB and VBIL is -0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.09
Correlation (All Time) Calculated using the full available price history since Feb 11, 2025	-0.05

Return for Risk

DFSB vs. VBIL — Risk / Return Rank

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

DFSB

DFSB Risk / Return Rank: 24
DFSB Sharpe Ratio Rank: 25
DFSB Sortino Ratio Rank: 24
DFSB Omega Ratio Rank: 22
DFSB Calmar Ratio Rank: 24
DFSB Martin Ratio Rank: 27

VBIL

VBIL Risk / Return Rank: 100
VBIL Sharpe Ratio Rank: 100
VBIL Sortino Ratio Rank: 100
VBIL Omega Ratio Rank: 100
VBIL Calmar Ratio Rank: 100
VBIL Martin Ratio Rank: 100

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.

DFSB vs. VBIL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dimensional Global Sustainability Fixed Income ETF (DFSB) and Vanguard 0-3 Month Treasury Bill ETF (VBIL). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	DFSB	VBIL	Difference
Sharpe ratio: Return per unit of total volatility	0.85	18.07	-17.22
Sortino ratio: Return per unit of downside risk	1.26	111.81	-110.55
Omega ratio: Gain probability vs. loss probability	1.15	39.66	-38.51
Calmar ratio: Return relative to maximum drawdown	1.11	296.41	-295.31
Martin ratio: Return relative to average drawdown	3.37	1,960.46	-1,957.09

DFSB vs. VBIL - Sharpe Ratio Comparison

The current DFSB Sharpe Ratio is 0.85, which is lower than the VBIL Sharpe Ratio of 18.07. The chart below compares the historical Sharpe Ratios of DFSB and VBIL, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

DFSB vs. VBIL - Drawdown Comparison

The maximum DFSB drawdown since its inception was -5.16%, which is greater than VBIL's maximum drawdown of -0.09%. Use the drawdown chart below to compare losses from any high point for DFSB and VBIL.

Drawdown Indicators

	DFSB	VBIL	Difference
Max Drawdown Largest peak-to-trough decline	-5.16%	-0.09%	-5.07%
Max Drawdown (1Y) Largest decline over 1 year	-3.04%	-0.01%	-3.03%
Max Drawdown (3Y) Largest decline over 3 years	-4.37%	—	—
Current Drawdown Current decline from peak	-1.27%	0.00%	-1.27%
Average Drawdown Average peak-to-trough decline	-1.25%	-0.00%	-1.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.00%	0.00%	+1.00%

Volatility

DFSB vs. VBIL - Volatility Comparison

Dimensional Global Sustainability Fixed Income ETF (DFSB) has a higher volatility of 1.31% compared to Vanguard 0-3 Month Treasury Bill ETF (VBIL) at 0.05%. This indicates that DFSB's price experiences larger fluctuations and is considered to be riskier than VBIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DFSB	VBIL	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.31%	0.05%	+1.26%
Volatility (6M) Calculated over the trailing 6-month period	3.26%	0.16%	+3.10%
Volatility (1Y) Calculated over the trailing 1-year period	3.94%	0.22%	+3.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.46%	0.30%	+5.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.46%	0.30%	+5.16%

DFSB vs. VBIL - Expense Ratio Comparison

DFSB has a 0.24% expense ratio, which is higher than VBIL's 0.07% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

DFSB vs. VBIL - Dividend Comparison

DFSB's dividend yield for the trailing twelve months is around 3.62%, which matches VBIL's 3.65% yield.

Position	TTM	2025	2024	2023	2022
DFSB Dimensional Global Sustainability Fixed Income ETF	3.62%	3.46%	4.35%	5.27%	0.41%
VBIL Vanguard 0-3 Month Treasury Bill ETF	3.65%	3.12%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both DFSB and VBIL in my portfolio?

DFSB and VBIL have a correlation of -0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DFSB or VBIL?

DFSB has higher volatility (1.31%) compared to VBIL (0.05%). In terms of maximum drawdown, DFSB dropped -5.16% vs VBIL's -0.09%.

Which ETF is better, DFSB or VBIL?

On 1-year performance, VBIL leads with 3.91% vs 3.35% for DFSB. On fees, VBIL is cheaper at 0.07% per year. On volatility, VBIL has been the lower-risk option at 0.05%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, DFSB or VBIL?

Over the 1-year period, VBIL has performed better with a 3.91% return vs 3.35%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DFSB or VBIL?

VBIL is cheaper with a 0.07% expense ratio, compared with 0.24% for DFSB.

Which ETF pays a higher dividend yield, DFSB or VBIL?

VBIL has the higher dividend yield at 3.65%, compared with 3.62% for DFSB.

What is the main difference between DFSB and VBIL?

DFSB is categorized as Global Bonds, while VBIL is Ultrashort Bond. They also come from different issuers: Dimensional and Vanguard. Their fees differ too: 0.24% for DFSB and 0.07% for VBIL.

Which has better risk-adjusted returns?

VBIL currently has the higher Sharpe Ratio (18.07 vs 0.85), 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.