NSBDX vs. DFLEX
NSBDX (North Star Bond Fund) and DFLEX (DoubleLine Flexible Income Fund) are both Nontraditional Bonds funds. Over the past 10 years, NSBDX returned 2.39%/yr vs 3.73%/yr for DFLEX. At a 0.38 correlation, their price movements are largely independent. NSBDX charges 1.63%/yr vs 0.74%/yr for DFLEX.
Performance
NSBDX vs. DFLEX - Performance Comparison
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Returns By Period
In the year-to-date period, NSBDX achieves a 1.34% return, which is significantly lower than DFLEX's 1.72% return. Over the past 10 years, NSBDX has underperformed DFLEX with an annualized return of 2.39%, while DFLEX has yielded a comparatively higher 3.73% annualized return.
NSBDX
- 1D
- 0.00%
- 1M
- 0.37%
- YTD
- 1.34%
- 6M
- 1.45%
- 1Y
- 3.61%
- 3Y*
- 4.64%
- 5Y*
- 1.67%
- 10Y*
- 2.39%
DFLEX
- 1D
- 0.11%
- 1M
- 0.34%
- YTD
- 1.72%
- 6M
- 1.83%
- 1Y
- 5.05%
- 3Y*
- 7.36%
- 5Y*
- 3.19%
- 10Y*
- 3.73%
NSBDX vs. DFLEX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
NSBDX North Star Bond Fund | 1.34% | 3.67% | 5.17% | 6.07% | -7.23% | 2.84% | 0.71% | 9.36% | -3.50% | 3.03% |
DFLEX DoubleLine Flexible Income Fund | 1.72% | 6.58% | 8.65% | 7.84% | -8.48% | 3.79% | 2.93% | 7.21% | 0.10% | 5.27% |
Correlation
The correlation between NSBDX and DFLEX is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.45 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.47 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.44 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.38 |
Correlation (All Time) Calculated using the full available price history since Dec 22, 2014 | 0.38 |
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Return for Risk
NSBDX vs. DFLEX — Risk / Return Rank
NSBDX
DFLEX
NSBDX vs. DFLEX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for North Star Bond Fund (NSBDX) and DoubleLine Flexible Income Fund (DFLEX). 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.
| NSBDX | DFLEX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.98 | ||
| Sortino ratioReturn per unit of downside risk | -3.69 | ||
| Omega ratioGain probability vs. loss probability | 1.38 | 2.09 | -0.71 |
| Calmar ratioReturn relative to maximum drawdown | 1.71 | 5.70 | -4.00 |
| Martin ratioReturn relative to average drawdown | 7.02 | 25.43 | -18.41 |
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Drawdowns
NSBDX vs. DFLEX - Drawdown Comparison
The maximum NSBDX drawdown since its inception was -18.75%, which is greater than DFLEX's maximum drawdown of -17.29%. Use the drawdown chart below to compare losses from any high point for NSBDX and DFLEX.
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Drawdown Indicators
| NSBDX | DFLEX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.75% | -17.29% | -1.46% |
Max Drawdown (1Y)Largest decline over 1 year | -2.12% | -0.91% | -1.21% |
Max Drawdown (3Y)Largest decline over 3 years | -2.17% | -1.15% | -1.02% |
Max Drawdown (5Y)Largest decline over 5 years | -8.88% | -11.00% | +2.12% |
Max Drawdown (10Y)Largest decline over 10 years | -18.75% | -17.29% | -1.46% |
Current DrawdownCurrent decline from peak | -0.18% | -0.11% | -0.07% |
Average DrawdownAverage peak-to-trough decline | -1.74% | -1.55% | -0.19% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.51% | 0.20% | +0.31% |
Volatility
NSBDX vs. DFLEX - Volatility Comparison
The current volatility for North Star Bond Fund (NSBDX) is 0.43%, while DoubleLine Flexible Income Fund (DFLEX) has a volatility of 0.57%. This indicates that NSBDX experiences smaller price fluctuations and is considered to be less risky than DFLEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| NSBDX | DFLEX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.43% | 0.57% | -0.14% |
Volatility (6M)Calculated over the trailing 6-month period | 1.59% | 1.09% | +0.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.00% | 1.37% | +0.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.69% | 1.94% | +0.75% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.91% | 2.73% | +1.18% |
NSBDX vs. DFLEX - Expense Ratio Comparison
NSBDX has a 1.63% expense ratio, which is higher than DFLEX's 0.74% expense ratio.
Dividends
NSBDX vs. DFLEX - Dividend Comparison
NSBDX's dividend yield for the trailing twelve months is around 4.13%, less than DFLEX's 5.53% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DFLEX DoubleLine Flexible Income Fund | 5.53% | 5.68% | 6.05% | 5.95% | 4.72% | 3.86% | 3.96% | 4.46% | 4.46% | 3.82% | 3.75% | 4.32% |
NSBDX North Star Bond Fund | 4.13% | 3.72% | 4.48% | 3.45% | 2.49% | 2.72% | 3.23% | 3.34% | 3.50% | 3.61% | 2.98% | 2.86% |
Frequently Asked Questions
NSBDX and DFLEX have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
DFLEX has higher volatility (0.57%) compared to NSBDX (0.43%). In terms of maximum drawdown, NSBDX dropped -18.75% vs DFLEX's -17.29%.
DFLEX currently has the higher Sharpe Ratio (3.79 vs 1.81), 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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