DBLFX vs. BILDX

Last updated Jun 4, 2026

DBLFX (DoubleLine Core Fixed Income Fund) and BILDX (DoubleLine Infrastructure Income Fund) are both Intermediate Core-Plus Bond funds from DoubleLine. Over the past 5 years, DBLFX returned 0.68%/yr vs 1.79%/yr for BILDX. Their correlation of 0.92 suggests significant overlap in exposure. DBLFX charges 0.47%/yr vs 0.57%/yr for BILDX.

Performance

DBLFX vs. BILDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in DoubleLine Core Fixed Income Fund (DBLFX) and DoubleLine Infrastructure Income Fund (BILDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DBLFX achieves a 0.02% return, which is significantly lower than BILDX's 0.86% return.

DBLFX

• 1D: 0.11%
• 1M: 0.37%
• YTD: 0.02%
• 6M: 0.06%
• 1Y: 5.08%
• 3Y*: 4.66%
• 5Y*: 0.68%
• 10Y*: 2.04%

BILDX

• 1D: 0.00%
• 1M: 0.62%
• YTD: 0.86%
• 6M: 0.80%
• 1Y: 5.90%
• 3Y*: 6.02%
• 5Y*: 1.79%
• 10Y*: —

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

DBLFX vs. BILDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DBLFX DoubleLine Core Fixed Income Fund	0.02%	7.54%	3.04%	6.44%	-12.76%	-0.34%	5.61%	7.99%	-0.01%	4.57%
BILDX DoubleLine Infrastructure Income Fund	0.86%	7.59%	4.41%	8.89%	-11.54%	0.14%	5.48%	8.30%	0.39%	5.66%

Correlation

The correlation between DBLFX and BILDX is 0.91, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (All Time) Calculated using the full available price history since Jan 4, 2017	0.92

The correlation between DBLFX and BILDX has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.

Return for Risk

DBLFX vs. BILDX — Risk / Return Rank

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

DBLFX

DBLFX Risk / Return Rank: 23
DBLFX Sharpe Ratio Rank: 24
DBLFX Sortino Ratio Rank: 25
DBLFX Omega Ratio Rank: 24
DBLFX Calmar Ratio Rank: 22
DBLFX Martin Ratio Rank: 20

BILDX

BILDX Risk / Return Rank: 47
BILDX Sharpe Ratio Rank: 45
BILDX Sortino Ratio Rank: 52
BILDX Omega Ratio Rank: 45
BILDX Calmar Ratio Rank: 51
BILDX Martin Ratio Rank: 41

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.

DBLFX vs. BILDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for DoubleLine Core Fixed Income Fund (DBLFX) and DoubleLine Infrastructure Income Fund (BILDX). 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.

	DBLFX	BILDX	Difference
Sharpe ratio: Return per unit of total volatility	1.40	1.96	-0.56
Sortino ratio: Return per unit of downside risk	2.08	3.04	-0.96
Omega ratio: Gain probability vs. loss probability	1.25	1.37	-0.11
Calmar ratio: Return relative to maximum drawdown	1.75	2.73	-0.98
Martin ratio: Return relative to average drawdown	5.31	8.86	-3.55
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DBLFX vs. BILDX - Sharpe Ratio Comparison

The current DBLFX Sharpe Ratio is 1.40, which is comparable to the BILDX Sharpe Ratio of 1.96. The chart below compares the historical Sharpe Ratios of DBLFX and BILDX, 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

	DBLFX	BILDX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.40	1.96	-0.56
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.13	0.41	-0.28
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.48	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.87	0.74	+0.12

Drawdowns

DBLFX vs. BILDX - Drawdown Comparison

The maximum DBLFX drawdown since its inception was -17.09%, which is greater than BILDX's maximum drawdown of -15.68%. Use the drawdown chart below to compare losses from any high point for DBLFX and BILDX.

Drawdown Indicators

	DBLFX	BILDX	Difference
Max Drawdown Largest peak-to-trough decline	-17.09%	-15.68%	-1.41%
Max Drawdown (1Y) Largest decline over 1 year	-2.92%	-2.21%	-0.71%
Max Drawdown (3Y) Largest decline over 3 years	-6.05%	-3.31%	-2.74%
Max Drawdown (5Y) Largest decline over 5 years	-17.09%	-15.68%	-1.41%
Max Drawdown (10Y) Largest decline over 10 years	-17.09%	—	—
Current Drawdown Current decline from peak	-1.59%	-0.67%	-0.92%
Average Drawdown Average peak-to-trough decline	-2.57%	-3.00%	+0.43%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.96%	0.68%	+0.28%

Volatility

DBLFX vs. BILDX - Volatility Comparison

DoubleLine Core Fixed Income Fund (DBLFX) has a higher volatility of 1.39% compared to DoubleLine Infrastructure Income Fund (BILDX) at 0.97%. This indicates that DBLFX's price experiences larger fluctuations and is considered to be riskier than BILDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DBLFX	BILDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.39%	0.97%	+0.42%
Volatility (6M) Calculated over the trailing 6-month period	2.71%	2.20%	+0.51%
Volatility (1Y) Calculated over the trailing 1-year period	3.66%	3.09%	+0.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.24%	4.41%	+0.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.29%	4.09%	+0.20%

DBLFX vs. BILDX - Expense Ratio Comparison

DBLFX has a 0.47% expense ratio, which is lower than BILDX's 0.57% expense ratio.

Dividends

DBLFX vs. BILDX - Dividend Comparison

DBLFX's dividend yield for the trailing twelve months is around 4.81%, less than BILDX's 4.94% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BILDX DoubleLine Infrastructure Income Fund	4.94%	4.64%	4.11%	3.42%	3.31%	3.45%	2.89%	3.40%	3.18%	3.22%	0.00%	0.00%
DBLFX DoubleLine Core Fixed Income Fund	4.81%	4.87%	5.22%	4.66%	3.99%	3.12%	3.17%	3.42%	3.35%	2.90%	2.95%	3.59%

Frequently Asked Questions

Can I hold both DBLFX and BILDX in my portfolio?

With a correlation of 0.91, DBLFX and BILDX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, DBLFX or BILDX?

DBLFX has higher volatility (1.39%) compared to BILDX (0.97%). In terms of maximum drawdown, DBLFX dropped -17.09% vs BILDX's -15.68%.

Which has better risk-adjusted returns?

BILDX currently has the higher Sharpe Ratio (1.96 vs 1.40), 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.