COSIX vs. DFLEX
Compare and contrast key facts about Columbia Strategic Income Fund (COSIX) and DoubleLine Flexible Income Fund (DFLEX).
COSIX is managed by Columbia. It was launched on Apr 20, 1977. DFLEX is managed by DoubleLine. It was launched on Apr 6, 2014.
Performance
COSIX vs. DFLEX - Performance Comparison
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COSIX vs. DFLEX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
COSIX Columbia Strategic Income Fund | -0.59% | 6.98% | 4.50% | 9.86% | -11.65% | 1.34% | 7.12% | 10.19% | -0.96% | 5.48% |
DFLEX DoubleLine Flexible Income Fund | 0.22% | 6.58% | 8.65% | 7.84% | -8.48% | 3.79% | 2.93% | 7.21% | 0.10% | 5.27% |
Returns By Period
In the year-to-date period, COSIX achieves a -0.59% return, which is significantly lower than DFLEX's 0.22% return. Over the past 10 years, COSIX has underperformed DFLEX with an annualized return of 3.56%, while DFLEX has yielded a comparatively higher 3.79% annualized return.
COSIX
- 1D
- 0.28%
- 1M
- -1.94%
- YTD
- -0.59%
- 6M
- 0.11%
- 1Y
- 4.16%
- 3Y*
- 5.72%
- 5Y*
- 1.67%
- 10Y*
- 3.56%
DFLEX
- 1D
- 0.11%
- 1M
- -0.80%
- YTD
- 0.22%
- 6M
- 1.54%
- 1Y
- 5.12%
- 3Y*
- 7.13%
- 5Y*
- 3.19%
- 10Y*
- 3.79%
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COSIX vs. DFLEX - Expense Ratio Comparison
COSIX has a 0.92% expense ratio, which is higher than DFLEX's 0.74% expense ratio.
Return for Risk
COSIX vs. DFLEX — Risk / Return Rank
COSIX
DFLEX
COSIX vs. DFLEX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Columbia Strategic Income Fund (COSIX) 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.
| COSIX | DFLEX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.34 | 3.69 | -2.35 |
Sortino ratioReturn per unit of downside risk | 1.93 | 6.09 | -4.16 |
Omega ratioGain probability vs. loss probability | 1.24 | 2.08 | -0.83 |
Calmar ratioReturn relative to maximum drawdown | 2.06 | 4.58 | -2.53 |
Martin ratioReturn relative to average drawdown | 7.67 | 20.46 | -12.79 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| COSIX | DFLEX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.34 | 3.69 | -2.35 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.37 | 1.67 | -1.30 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.86 | 1.39 | -0.53 |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.00 | 1.35 | -0.35 |
Correlation
The correlation between COSIX and DFLEX is 0.57, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
COSIX vs. DFLEX - Dividend Comparison
COSIX's dividend yield for the trailing twelve months is around 5.03%, less than DFLEX's 5.14% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COSIX Columbia Strategic Income Fund | 5.03% | 4.94% | 5.20% | 5.03% | 3.56% | 3.86% | 3.24% | 3.71% | 4.25% | 3.51% | 3.09% | 4.20% |
DFLEX DoubleLine Flexible Income Fund | 5.14% | 5.68% | 6.05% | 5.95% | 4.72% | 3.86% | 3.96% | 4.46% | 4.46% | 3.82% | 3.75% | 4.32% |
Drawdowns
COSIX vs. DFLEX - Drawdown Comparison
The maximum COSIX drawdown since its inception was -27.69%, which is greater than DFLEX's maximum drawdown of -17.29%. Use the drawdown chart below to compare losses from any high point for COSIX and DFLEX.
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Drawdown Indicators
| COSIX | DFLEX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -27.69% | -17.29% | -10.40% |
Max Drawdown (1Y)Largest decline over 1 year | -2.21% | -1.15% | -1.06% |
Max Drawdown (5Y)Largest decline over 5 years | -16.88% | -11.00% | -5.88% |
Max Drawdown (10Y)Largest decline over 10 years | -16.88% | -17.29% | +0.41% |
Current DrawdownCurrent decline from peak | -1.94% | -0.80% | -1.14% |
Average DrawdownAverage peak-to-trough decline | -2.48% | -1.58% | -0.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.59% | 0.26% | +0.33% |
Volatility
COSIX vs. DFLEX - Volatility Comparison
Columbia Strategic Income Fund (COSIX) has a higher volatility of 1.30% compared to DoubleLine Flexible Income Fund (DFLEX) at 0.56%. This indicates that COSIX's price experiences larger fluctuations and is considered to be riskier 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
| COSIX | DFLEX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.30% | 0.56% | +0.74% |
Volatility (6M)Calculated over the trailing 6-month period | 1.91% | 0.91% | +1.00% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.19% | 1.40% | +1.79% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.51% | 1.92% | +2.59% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.15% | 2.73% | +1.42% |