SRLN vs. AGG
SRLN (State Street Blackstone Senior Loan ETF) and AGG (iShares Core U.S. Aggregate Bond ETF) are both exchange-traded funds - SRLN is a Bank Loan fund actively managed by State Street, while AGG is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Bond Index. SRLN is actively managed, while AGG is passively managed. Over the past 10 years, SRLN returned 4.52%/yr vs 1.52%/yr for AGG. At a 0.05 correlation, their price movements are largely independent. SRLN charges 0.70%/yr vs 0.03%/yr for AGG.
Performance
SRLN vs. AGG - Performance Comparison
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Returns By Period
In the year-to-date period, SRLN achieves a 0.63% return, which is significantly higher than AGG's -0.08% return. Over the past 10 years, SRLN has outperformed AGG with an annualized return of 4.52%, while AGG has yielded a comparatively lower 1.52% annualized return.
SRLN
- 1D
- 0.07%
- 1M
- -0.04%
- YTD
- 0.63%
- 6M
- 1.06%
- 1Y
- 5.41%
- 3Y*
- 7.64%
- 5Y*
- 4.55%
- 10Y*
- 4.52%
AGG
- 1D
- 0.00%
- 1M
- -0.69%
- YTD
- -0.08%
- 6M
- 0.26%
- 1Y
- 4.97%
- 3Y*
- 3.88%
- 5Y*
- -0.03%
- 10Y*
- 1.52%
SRLN vs. AGG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SRLN State Street Blackstone Senior Loan ETF | 0.63% | 6.77% | 8.43% | 11.62% | -5.30% | 4.49% | 3.13% | 10.03% | -0.66% | 3.39% |
AGG iShares Core U.S. Aggregate Bond ETF | -0.08% | 7.19% | 1.31% | 5.65% | -13.02% | -1.77% | 7.48% | 8.46% | 0.09% | 3.55% |
Correlation
The correlation between SRLN and AGG is 0.21, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.21 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.20 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.16 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.08 |
Correlation (All Time) Calculated using the full available price history since Apr 4, 2013 | 0.05 |
The correlation between SRLN and AGG shifts across timeframes, from 0.05 (all time) to 0.21 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
SRLN vs. AGG — Risk / Return Rank
SRLN
AGG
SRLN vs. AGG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for State Street Blackstone Senior Loan ETF (SRLN) and iShares Core U.S. Aggregate Bond ETF (AGG). 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.
| SRLN | AGG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.57 | ||
| Sortino ratioReturn per unit of downside risk | +0.80 | ||
| Omega ratioGain probability vs. loss probability | 1.43 | 1.23 | +0.20 |
| Calmar ratioReturn relative to maximum drawdown | 1.67 | 1.81 | -0.14 |
| Martin ratioReturn relative to average drawdown | 6.17 | 5.44 | +0.74 |
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
| SRLN | AGG | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.88 | 1.32 | +0.57 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 1.17 | -0.00 | +1.17 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.75 | 0.28 | +0.47 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.70 | 0.59 | +0.11 |
Drawdowns
SRLN vs. AGG - Drawdown Comparison
The maximum SRLN drawdown since its inception was -22.29%, which is greater than AGG's maximum drawdown of -18.43%. Use the drawdown chart below to compare losses from any high point for SRLN and AGG.
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Drawdown Indicators
| SRLN | AGG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -22.29% | -18.43% | -3.86% |
Max Drawdown (1Y)Largest decline over 1 year | -3.26% | -2.76% | -0.50% |
Max Drawdown (3Y)Largest decline over 3 years | -4.26% | -6.11% | +1.85% |
Max Drawdown (5Y)Largest decline over 5 years | -7.93% | -17.82% | +9.89% |
Max Drawdown (10Y)Largest decline over 10 years | -22.29% | -18.43% | -3.86% |
Current DrawdownCurrent decline from peak | -0.17% | -2.47% | +2.30% |
Average DrawdownAverage peak-to-trough decline | -1.10% | -2.71% | +1.61% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.88% | 0.92% | -0.04% |
Volatility
SRLN vs. AGG - Volatility Comparison
The current volatility for State Street Blackstone Senior Loan ETF (SRLN) is 0.46%, while iShares Core U.S. Aggregate Bond ETF (AGG) has a volatility of 1.29%. This indicates that SRLN experiences smaller price fluctuations and is considered to be less risky than AGG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SRLN | AGG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.46% | 1.29% | -0.83% |
Volatility (6M)Calculated over the trailing 6-month period | 2.64% | 2.77% | -0.13% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.89% | 3.80% | -0.91% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.91% | 6.09% | -2.18% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.06% | 5.41% | +0.65% |
SRLN vs. AGG - Expense Ratio Comparison
SRLN has a 0.70% expense ratio, which is higher than AGG's 0.03% expense ratio.
Dividends
SRLN vs. AGG - Dividend Comparison
SRLN's dividend yield for the trailing twelve months is around 7.50%, more than AGG's 4.00% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AGG iShares Core U.S. Aggregate Bond ETF | 4.00% | 3.89% | 3.74% | 3.13% | 2.39% | 1.77% | 2.14% | 2.70% | 2.72% | 2.32% | 2.39% | 2.45% |
SRLN State Street Blackstone Senior Loan ETF | 7.50% | 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
SRLN and AGG have a correlation of 0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AGG has higher volatility (1.29%) compared to SRLN (0.46%). In terms of maximum drawdown, SRLN dropped -22.29% vs AGG's -18.43%.
On 10-year performance, SRLN leads with 4.52% vs 1.52% for AGG. On fees, AGG is cheaper at 0.03% per year. On volatility, SRLN has been the lower-risk option at 0.46%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, SRLN has performed better with a 4.52% return vs 1.52%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
AGG is cheaper with a 0.03% expense ratio, compared with 0.70% for SRLN.
SRLN has the higher dividend yield at 7.50%, compared with 4.00% for AGG.
SRLN is categorized as Bank Loan, while AGG is Total Bond Market. They also come from different issuers: State Street and iShares. Their fees differ too: 0.70% for SRLN and 0.03% for AGG.
SRLN currently has the higher Sharpe Ratio (1.88 vs 1.32), 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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