MBSF vs. SRLN

Last updated Apr 2, 2026

Compare and contrast key facts about Regan Floating Rate MBS ETF (MBSF) and SPDR Blackstone Senior Loan ETF (SRLN).

MBSF and SRLN are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MBSF is an actively managed fund by Regan. It was launched on Feb 27, 2024. SRLN is a passively managed fund by State Street that tracks the performance of the Markit iBoxx USD Liquid Leveraged Loan Index. It was launched on Apr 3, 2013.

Performance

MBSF vs. SRLN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Regan Floating Rate MBS ETF (MBSF) and SPDR Blackstone Senior Loan ETF (SRLN). The values are adjusted to include any dividend payments, if applicable.

MBSF vs. SRLN - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MBSF Regan Floating Rate MBS ETF	0.75%	5.85%	5.71%
SRLN SPDR Blackstone Senior Loan ETF	-1.39%	6.77%	7.40%

Returns By Period

In the year-to-date period, MBSF achieves a 0.75% return, which is significantly higher than SRLN's -1.39% return.

MBSF

• 1D: 0.31%
• 1M: -0.13%
• YTD: 0.75%
• 6M: 2.41%
• 1Y: 5.20%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SRLN

• 1D: 0.20%
• 1M: 1.56%
• YTD: -1.39%
• 6M: 0.39%
• 1Y: 5.55%
• 3Y*: 7.49%
• 5Y*: 4.50%
• 10Y*: 4.50%

*Multi-year figures are annualized to reflect compound growth (CAGR)

MBSF vs. SRLN - Expense Ratio Comparison

MBSF has a 0.49% expense ratio, which is lower than SRLN's 0.70% expense ratio.

SRLN

SPDR Blackstone Senior Loan ETF

MBSF

Regan Floating Rate MBS ETF

Return for Risk

MBSF vs. SRLN — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MBSF

MBSF Risk / Return Rank: 89
MBSF Sharpe Ratio Rank: 83
MBSF Sortino Ratio Rank: 89
MBSF Omega Ratio Rank: 77
MBSF Calmar Ratio Rank: 98
MBSF Martin Ratio Rank: 96

SRLN

SRLN Risk / Return Rank: 69
SRLN Sharpe Ratio Rank: 70
SRLN Sortino Ratio Rank: 72
SRLN Omega Ratio Rank: 84
SRLN Calmar Ratio Rank: 63
SRLN Martin Ratio Rank: 57

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MBSF vs. SRLN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Regan Floating Rate MBS ETF (MBSF) and SPDR 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.

	MBSF	SRLN	Difference
Sharpe ratio Return per unit of total volatility	1.69	1.29	+0.40
Sortino ratio Return per unit of downside risk	2.61	1.88	+0.74
Omega ratio Gain probability vs. loss probability	1.31	1.34	-0.03
Calmar ratio Return relative to maximum drawdown	6.70	1.65	+5.05
Martin ratio Return relative to average drawdown	19.07	5.85	+13.23
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MBSF vs. SRLN - Sharpe Ratio Comparison

The current MBSF Sharpe Ratio is 1.69, which is higher than the SRLN Sharpe Ratio of 1.29. The chart below compares the historical Sharpe Ratios of MBSF and SRLN, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MBSF	SRLN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.69	1.29	+0.40
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.16	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.75	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.74	0.68	+1.06

Correlation

The correlation between MBSF and SRLN is -0.03. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.

Dividends

MBSF vs. SRLN - Dividend Comparison

MBSF's dividend yield for the trailing twelve months is around 4.63%, less than SRLN's 7.70% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MBSF Regan Floating Rate MBS ETF	4.63%	4.71%	4.14%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SRLN SPDR Blackstone Senior Loan ETF	7.70%	7.67%	8.58%	8.44%	5.72%	4.45%	4.91%	5.39%	4.98%	4.01%	3.94%	4.43%

Drawdowns

MBSF vs. SRLN - Drawdown Comparison

The maximum MBSF drawdown since its inception was -0.97%, smaller than the maximum SRLN drawdown of -22.29%. Use the drawdown chart below to compare losses from any high point for MBSF and SRLN.

Drawdown Indicators

	MBSF	SRLN	Difference
Max Drawdown Largest peak-to-trough decline	-0.97%	-22.29%	+21.32%
Max Drawdown (1Y) Largest decline over 1 year	-0.79%	-3.28%	+2.49%
Max Drawdown (5Y) Largest decline over 5 years	—	-7.93%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-22.29%	—
Current Drawdown Current decline from peak	-0.48%	-1.75%	+1.27%
Average Drawdown Average peak-to-trough decline	-0.23%	-1.11%	+0.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.28%	0.93%	-0.65%

Volatility

MBSF vs. SRLN - Volatility Comparison

The current volatility for Regan Floating Rate MBS ETF (MBSF) is 1.42%, while SPDR Blackstone Senior Loan ETF (SRLN) has a volatility of 1.78%. This indicates that MBSF experiences smaller price fluctuations and is considered to be less risky than SRLN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MBSF	SRLN	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.42%	1.78%	-0.36%
Volatility (6M) Calculated over the trailing 6-month period	2.29%	2.56%	-0.27%
Volatility (1Y) Calculated over the trailing 1-year period	3.09%	4.32%	-1.23%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.42%	3.89%	-0.47%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.42%	6.05%	-2.63%