DFCF vs. TBUX

Last updated Jun 13, 2026

DFCF (Dimensional Core Fixed Income ETF) and TBUX (T. Rowe Price Ultra Short-Term Bond ETF) are both exchange-traded funds - DFCF is a Intermediate Core Bond fund actively managed by Dimensional, while TBUX is a Ultrashort Bond fund actively managed by T. Rowe Price. Both are actively managed. Over the past 3 years, DFCF returned 5.07%/yr vs 5.89%/yr for TBUX. At a 0.46 correlation, their price movements are largely independent. Both charge a 0.17% expense ratio.

Performance

DFCF vs. TBUX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dimensional Core Fixed Income ETF (DFCF) and T. Rowe Price Ultra Short-Term Bond ETF (TBUX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DFCF achieves a 0.63% return, which is significantly lower than TBUX's 1.83% return.

DFCF

• 1D: -0.09%
• 1M: 0.39%
• YTD: 0.63%
• 6M: 1.08%
• 1Y: 5.09%
• 3Y*: 5.07%
• 5Y*: —
• 10Y*: —

TBUX

• 1D: 0.00%
• 1M: 0.39%
• YTD: 1.83%
• 6M: 2.14%
• 1Y: 4.81%
• 3Y*: 5.89%
• 5Y*: —
• 10Y*: —

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

DFCF vs. TBUX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
DFCF Dimensional Core Fixed Income ETF	0.63%	7.89%	1.86%	6.94%	-14.48%	0.04%
TBUX T. Rowe Price Ultra Short-Term Bond ETF	1.83%	5.37%	6.38%	6.39%	-0.13%	-0.07%

Correlation

The correlation between DFCF and TBUX is 0.52, 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	0.52
Correlation (3Y) Calculated over the trailing 3-year period	0.42
Correlation (All Time) Calculated using the full available price history since Nov 16, 2021	0.46

The correlation between DFCF and TBUX has been stable across timeframes, ranging from 0.42 to 0.52 - a consistent structural relationship.

Return for Risk

DFCF vs. TBUX — Risk / Return Rank

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

DFCF

DFCF Risk / Return Rank: 40
DFCF Sharpe Ratio Rank: 41
DFCF Sortino Ratio Rank: 42
DFCF Omega Ratio Rank: 38
DFCF Calmar Ratio Rank: 42
DFCF Martin Ratio Rank: 38

TBUX

TBUX Risk / Return Rank: 99
TBUX Sharpe Ratio Rank: 99
TBUX Sortino Ratio Rank: 99
TBUX Omega Ratio Rank: 99
TBUX Calmar Ratio Rank: 99
TBUX Martin Ratio Rank: 99

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.

DFCF vs. TBUX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dimensional Core Fixed Income ETF (DFCF) and T. Rowe Price Ultra Short-Term Bond ETF (TBUX). 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.

	DFCF	TBUX	Difference
Sharpe ratio: Return per unit of total volatility	1.30	7.19	-5.89
Sortino ratio: Return per unit of downside risk	1.90	14.51	-12.61
Omega ratio: Gain probability vs. loss probability	1.23	3.12	-1.90
Calmar ratio: Return relative to maximum drawdown	1.83	48.17	-46.33
Martin ratio: Return relative to average drawdown	5.39	182.82	-177.44

DFCF vs. TBUX - Sharpe Ratio Comparison

The current DFCF Sharpe Ratio is 1.30, which is lower than the TBUX Sharpe Ratio of 7.19. The chart below compares the historical Sharpe Ratios of DFCF and TBUX, 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

DFCF vs. TBUX - Drawdown Comparison

The maximum DFCF drawdown since its inception was -19.56%, which is greater than TBUX's maximum drawdown of -1.82%. Use the drawdown chart below to compare losses from any high point for DFCF and TBUX.

Drawdown Indicators

	DFCF	TBUX	Difference
Max Drawdown Largest peak-to-trough decline	-19.56%	-1.82%	-17.74%
Max Drawdown (1Y) Largest decline over 1 year	-2.79%	-0.10%	-2.69%
Max Drawdown (3Y) Largest decline over 3 years	-5.05%	-0.33%	-4.72%
Current Drawdown Current decline from peak	-1.20%	0.00%	-1.20%
Average Drawdown Average peak-to-trough decline	-7.99%	-0.28%	-7.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.95%	0.03%	+0.92%

Volatility

DFCF vs. TBUX - Volatility Comparison

Dimensional Core Fixed Income ETF (DFCF) has a higher volatility of 1.44% compared to T. Rowe Price Ultra Short-Term Bond ETF (TBUX) at 0.22%. This indicates that DFCF's price experiences larger fluctuations and is considered to be riskier than TBUX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DFCF	TBUX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.44%	0.22%	+1.22%
Volatility (6M) Calculated over the trailing 6-month period	2.98%	0.46%	+2.52%
Volatility (1Y) Calculated over the trailing 1-year period	3.96%	0.67%	+3.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.45%	1.07%	+5.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.45%	1.07%	+5.38%

DFCF vs. TBUX - Expense Ratio Comparison

Both DFCF and TBUX have an expense ratio of 0.17%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

DFCF vs. TBUX - Dividend Comparison

DFCF's dividend yield for the trailing twelve months is around 4.30%, less than TBUX's 4.48% yield.

Position	TTM	2025	2024	2023	2022	2021
DFCF Dimensional Core Fixed Income ETF	4.30%	4.48%	4.61%	4.51%	3.27%	0.16%
TBUX T. Rowe Price Ultra Short-Term Bond ETF	4.48%	4.67%	5.39%	4.66%	2.58%	0.27%

Frequently Asked Questions

Can I hold both DFCF and TBUX in my portfolio?

DFCF and TBUX have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DFCF or TBUX?

DFCF has higher volatility (1.44%) compared to TBUX (0.22%). In terms of maximum drawdown, DFCF dropped -19.56% vs TBUX's -1.82%.

Which ETF is better, DFCF or TBUX?

On 3-year performance, TBUX leads with 5.89% vs 5.07% for DFCF. Both ETFs have the same 0.17% expense ratio. On volatility, TBUX has been the lower-risk option at 0.22%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, DFCF or TBUX?

Over the 3-year period, TBUX has performed better with a 5.89% return vs 5.07%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DFCF or TBUX?

DFCF and TBUX have the same expense ratio: 0.17% per year.

Which ETF pays a higher dividend yield, DFCF or TBUX?

TBUX has the higher dividend yield at 4.48%, compared with 4.30% for DFCF.

What is the main difference between DFCF and TBUX?

DFCF is categorized as Intermediate Core Bond, while TBUX is Ultrashort Bond. They also come from different issuers: Dimensional and T. Rowe Price.

Which has better risk-adjusted returns?

TBUX currently has the higher Sharpe Ratio (7.19 vs 1.30), 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.