BSIIX vs. SRLN
BSIIX (BlackRock Strategic Income Opportunities Fund Class I) and SRLN (State Street Blackstone Senior Loan ETF) are both funds - BSIIX is a Total Bond Market fund managed by BlackRock, while SRLN is a Bank Loan fund actively managed by State Street. Over the past 10 years, BSIIX returned 3.85%/yr vs 4.56%/yr for SRLN. At a 0.24 correlation, their price movements are largely independent. BSIIX charges 0.69%/yr vs 0.70%/yr for SRLN.
Performance
BSIIX vs. SRLN - Performance Comparison
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Returns By Period
In the year-to-date period, BSIIX achieves a 2.00% return, which is significantly higher than SRLN's 0.75% return. Over the past 10 years, BSIIX has underperformed SRLN with an annualized return of 3.85%, while SRLN has yielded a comparatively higher 4.56% annualized return.
BSIIX
- 1D
- -0.10%
- 1M
- 1.23%
- YTD
- 2.00%
- 6M
- 2.57%
- 1Y
- 6.95%
- 3Y*
- 6.84%
- 5Y*
- 3.01%
- 10Y*
- 3.85%
SRLN
- 1D
- 0.10%
- 1M
- 0.28%
- YTD
- 0.75%
- 6M
- 1.14%
- 1Y
- 5.41%
- 3Y*
- 7.50%
- 5Y*
- 4.60%
- 10Y*
- 4.56%
BSIIX vs. SRLN - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BSIIX BlackRock Strategic Income Opportunities Fund Class I | 2.00% | 8.59% | 5.22% | 6.18% | -6.14% | 0.80% | 7.22% | 7.65% | -0.42% | 4.89% |
SRLN State Street Blackstone Senior Loan ETF | 0.75% | 6.77% | 8.43% | 11.62% | -5.30% | 4.49% | 3.13% | 10.03% | -0.66% | 3.39% |
Correlation
The correlation between BSIIX and SRLN is 0.34, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.34 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.29 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.29 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.25 |
Correlation (All Time) Calculated using the full available price history since Apr 4, 2013 | 0.24 |
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Return for Risk
BSIIX vs. SRLN — Risk / Return Rank
BSIIX
SRLN
BSIIX vs. SRLN - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for BlackRock Strategic Income Opportunities Fund Class I (BSIIX) and State Street Blackstone Senior Loan ETF (SRLN). 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.
| BSIIX | SRLN | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.49 | ||
| Sortino ratioReturn per unit of downside risk | +1.01 | ||
| Omega ratioGain probability vs. loss probability | 1.50 | 1.42 | +0.07 |
| Calmar ratioReturn relative to maximum drawdown | 2.46 | 1.67 | +0.79 |
| Martin ratioReturn relative to average drawdown | 9.49 | 6.17 | +3.32 |
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Drawdowns
BSIIX vs. SRLN - Drawdown Comparison
The maximum BSIIX drawdown since its inception was -18.76%, smaller than the maximum SRLN drawdown of -22.29%. Use the drawdown chart below to compare losses from any high point for BSIIX and SRLN.
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Drawdown Indicators
| BSIIX | SRLN | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.76% | -22.29% | +3.53% |
Max Drawdown (1Y)Largest decline over 1 year | -2.84% | -3.26% | +0.42% |
Max Drawdown (3Y)Largest decline over 3 years | -2.84% | -4.26% | +1.42% |
Max Drawdown (5Y)Largest decline over 5 years | -9.13% | -7.93% | -1.20% |
Max Drawdown (10Y)Largest decline over 10 years | -9.91% | -22.29% | +12.38% |
Current DrawdownCurrent decline from peak | -0.31% | -0.05% | -0.26% |
Average DrawdownAverage peak-to-trough decline | -1.80% | -1.10% | -0.70% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.73% | 0.88% | -0.15% |
Volatility
BSIIX vs. SRLN - Volatility Comparison
BlackRock Strategic Income Opportunities Fund Class I (BSIIX) has a higher volatility of 0.92% compared to State Street Blackstone Senior Loan ETF (SRLN) at 0.58%. This indicates that BSIIX's price experiences larger fluctuations and is considered to be riskier than SRLN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BSIIX | SRLN | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.92% | 0.58% | +0.34% |
Volatility (6M)Calculated over the trailing 6-month period | 2.37% | 2.67% | -0.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.96% | 2.91% | +0.05% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.65% | 3.91% | -0.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.15% | 6.06% | -2.91% |
BSIIX vs. SRLN - Expense Ratio Comparison
BSIIX has a 0.69% expense ratio, which is lower than SRLN's 0.70% expense ratio.
Dividends
BSIIX vs. SRLN - Dividend Comparison
BSIIX's dividend yield for the trailing twelve months is around 5.15%, less than SRLN's 7.49% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BSIIX BlackRock Strategic Income Opportunities Fund Class I | 5.15% | 5.07% | 4.75% | 3.33% | 3.58% | 2.98% | 2.92% | 3.54% | 3.32% | 3.45% | 2.91% | 3.19% |
SRLN State Street Blackstone Senior Loan ETF | 7.49% | 7.67% | 8.58% | 8.44% | 5.72% | 4.45% | 4.91% | 5.39% | 4.98% | 4.01% | 3.94% | 4.43% |
Frequently Asked Questions
BSIIX and SRLN have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BSIIX has higher volatility (0.92%) compared to SRLN (0.58%). In terms of maximum drawdown, BSIIX dropped -18.76% vs SRLN's -22.29%.
BSIIX currently has the higher Sharpe Ratio (2.36 vs 1.87), 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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