DBLTX vs. IUSB
DBLTX (DoubleLine Total Return Bond Fund Class I) and IUSB (iShares Core Universal USD Bond ETF) are both funds - DBLTX is a Total Bond Market fund actively managed by DoubleLine, while IUSB is a Intermediate Core-Plus Bond fund tracking the Bloomberg U.S. Universal Index. DBLTX is actively managed, while IUSB is passively managed. Over the past 10 years, DBLTX returned 1.56%/yr vs 1.74%/yr for IUSB. Their correlation of 0.85 means they have usually moved in the same direction. DBLTX charges 0.50%/yr vs 0.06%/yr for IUSB.
Performance
DBLTX vs. IUSB - Performance Comparison
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Returns By Period
In the year-to-date period, DBLTX achieves a -1.15% return, which is significantly lower than IUSB's -0.10% return. Over the past 10 years, DBLTX has underperformed IUSB with an annualized return of 1.56%, while IUSB has yielded a comparatively higher 1.74% annualized return.
DBLTX
- 1D
- -0.69%
- 1M
- -1.37%
- 6M
- -1.27%
- YTD
- -1.15%
- 1Y
- 1.67%
- 3Y*
- 4.51%
- 5Y*
- 0.13%
- 10Y*
- 1.56%
- ALL TIME*
- 3.40%
IUSB
- 1D
- 0.18%
- 1M
- -0.93%
- 6M
- -0.29%
- YTD
- -0.10%
- 1Y
- 2.45%
- 3Y*
- 4.53%
- 5Y*
- -0.02%
- 10Y*
- 1.74%
- ALL TIME*
- 2.14%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $145.81M | $151.88M | $268.24M |
DBLTX vs. IUSB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
DBLTX DoubleLine Total Return Bond Fund Class I | -1.15% | 8.05% | 3.08% | 5.34% | -12.56% | 0.24% | 4.13% | 5.81% | 1.76% | 3.80% |
IUSB iShares Core Universal USD Bond ETF | -0.10% | 7.38% | 2.11% | 6.23% | -13.04% | -1.33% | 7.62% | 9.13% | -0.27% | 3.82% |
Correlation
The correlation between DBLTX and IUSB is 0.92, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.92 |
Correlation (3Y) Balances recent behavior with more history. | 0.94 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.94 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.88 |
Correlation (All Time) Calculated using the full available price history since Jun 12, 2014 | 0.85 |
The correlation between DBLTX and IUSB has been stable across timeframes, ranging from 0.85 to 0.94 - a consistent structural relationship.
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Return for Risk
DBLTX vs. IUSB — Risk / Return Rank
DBLTX
IUSB
DBLTX vs. IUSB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for DoubleLine Total Return Bond Fund Class I (DBLTX) and iShares Core Universal USD Bond ETF (IUSB). 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.
| DBLTX | IUSB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.03 | ||
| Sortino ratioReturn per unit of downside risk | -0.04 | ||
| Omega ratioGain probability vs. loss probability | 1.12 | 1.12 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 0.82 | 0.97 | -0.15 |
| Martin ratioReturn relative to average drawdown | 1.95 | 2.48 | -0.53 |
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Drawdowns
DBLTX vs. IUSB - Drawdown Comparison
The maximum DBLTX drawdown since its inception was -16.49%, smaller than the maximum IUSB drawdown of -17.90%. Use the drawdown chart below to compare losses from any high point for DBLTX and IUSB.
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Drawdown Indicators
| DBLTX | IUSB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -16.49% | -17.90% | +1.41% |
Max Drawdown (1Y)Largest decline over 1 year | -3.17% | -2.53% | -0.64% |
Max Drawdown (3Y)Largest decline over 3 years | -5.33% | -4.81% | -0.52% |
Max Drawdown (5Y)Largest decline over 5 years | -16.37% | -17.87% | +1.50% |
Max Drawdown (10Y)Largest decline over 10 years | -16.49% | -17.90% | +1.41% |
Current DrawdownCurrent decline from peak | -3.14% | -1.85% | -1.29% |
Average DrawdownAverage peak-to-trough decline | -2.37% | -3.56% | +1.19% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.34% | 0.99% | +0.35% |
Volatility
DBLTX vs. IUSB - Volatility Comparison
DoubleLine Total Return Bond Fund Class I (DBLTX) has a higher volatility of 1.22% compared to iShares Core Universal USD Bond ETF (IUSB) at 0.94%. This indicates that DBLTX's price experiences larger fluctuations and is considered to be riskier than IUSB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DBLTX | IUSB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.22% | 0.94% | +0.28% |
Volatility (6M)Calculated over the trailing 6-month period | 3.08% | 2.83% | +0.25% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.86% | 3.48% | +0.38% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.63% | 5.81% | -0.18% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.43% | 5.05% | -0.62% |
DBLTX vs. IUSB - Expense Ratio Comparison
DBLTX has a 0.50% expense ratio, which is higher than IUSB's 0.06% expense ratio.
Dividends
DBLTX vs. IUSB - Dividend Comparison
DBLTX's dividend yield for the trailing twelve months is around 4.55%, more than IUSB's 4.30% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DBLTX DoubleLine Total Return Bond Fund Class I | 4.55% | 4.86% | 5.03% | 4.35% | 3.86% | 3.12% | 3.39% | 3.66% | 3.74% | 3.65% | 3.72% | 4.11% |
IUSB iShares Core Universal USD Bond ETF | 4.30% | 4.17% | 4.04% | 3.46% | 2.53% | 1.74% | 2.68% | 3.04% | 2.98% | 2.56% | 2.60% | 1.95% |
Frequently Asked Questions
With a correlation of 0.92, DBLTX and IUSB 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.
DBLTX has higher volatility (1.22%) compared to IUSB (0.94%). In terms of maximum drawdown, DBLTX dropped -16.49% vs IUSB's -17.90%.
IUSB currently has the higher Sharpe Ratio (0.71 vs 0.68), 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.
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