BSL vs. XILSX

Last updated Jun 24, 2026

BSL (Blackstone Senior Floating Rate 2027 Term Fund) and XILSX (Pioneer ILS Interval Fund) are both High Yield Bonds funds. Over the past 5 years, BSL returned 3.95%/yr vs 12.38%/yr for XILSX. At a 0.02 correlation, their price movements are largely independent. BSL charges 1.50%/yr vs 1.88%/yr for XILSX.

Performance

BSL vs. XILSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Blackstone Senior Floating Rate 2027 Term Fund (BSL) and Pioneer ILS Interval Fund (XILSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BSL achieves a -0.89% return, which is significantly lower than XILSX's 8.39% return.

BSL

• 1D: 0.29%
• 1M: 0.50%
• YTD: -0.89%
• 6M: -0.34%
• 1Y: -0.46%
• 3Y*: 10.75%
• 5Y*: 3.95%
• 10Y*: 5.87%

XILSX

• 1D: 0.10%
• 1M: 1.06%
• YTD: 8.39%
• 6M: 10.33%
• 1Y: 24.34%
• 3Y*: 19.35%
• 5Y*: 12.38%
• 10Y*: —

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

BSL vs. XILSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BSL Blackstone Senior Floating Rate 2027 Term Fund	-0.89%	2.15%	18.16%	20.03%	-22.88%	28.33%	-4.44%	14.06%	-7.52%	4.75%
XILSX Pioneer ILS Interval Fund	8.39%	18.70%	18.93%	18.65%	1.23%	-1.10%	7.37%	2.60%	-2.11%	-8.83%

Correlation

The correlation between BSL and XILSX is -0.06, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.06
Correlation (3Y) Calculated over the trailing 3-year period	0.05
Correlation (5Y) Calculated over the trailing 5-year period	0.02
Correlation (All Time) Calculated using the full available price history since Feb 1, 2017	0.02

The correlation between BSL and XILSX shifts across timeframes, from -0.06 (1 year) to 0.05 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

BSL vs. XILSX — Risk / Return Rank

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

BSL

BSL Risk / Return Rank: 2
BSL Sharpe Ratio Rank: 3
BSL Sortino Ratio Rank: 2
BSL Omega Ratio Rank: 2
BSL Calmar Ratio Rank: 3
BSL Martin Ratio Rank: 3

XILSX

XILSX Risk / Return Rank: 100
XILSX Sharpe Ratio Rank: 100
XILSX Sortino Ratio Rank: 100
XILSX Omega Ratio Rank: 100
XILSX Calmar Ratio Rank: 100
XILSX Martin Ratio Rank: 100

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.

BSL vs. XILSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Blackstone Senior Floating Rate 2027 Term Fund (BSL) and Pioneer ILS Interval Fund (XILSX). 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.

	BSL	XILSX	Difference
Sharpe ratio: Return per unit of total volatility	-0.07	8.08	-8.15
Sortino ratio: Return per unit of downside risk	-0.05	80.25	-80.30
Omega ratio: Gain probability vs. loss probability	0.99	42.70	-41.71
Calmar ratio: Return relative to maximum drawdown	-0.06	116.39	-116.45
Martin ratio: Return relative to average drawdown	-0.14	794.55	-794.69

BSL vs. XILSX - Sharpe Ratio Comparison

The current BSL Sharpe Ratio is -0.07, which is lower than the XILSX Sharpe Ratio of 8.08. The chart below compares the historical Sharpe Ratios of BSL and XILSX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BSL vs. XILSX - Drawdown Comparison

The maximum BSL drawdown since its inception was -43.83%, which is greater than XILSX's maximum drawdown of -14.53%. Use the drawdown chart below to compare losses from any high point for BSL and XILSX.

Drawdown Indicators

	BSL	XILSX	Difference
Max Drawdown Largest peak-to-trough decline	-43.83%	-14.53%	-29.30%
Max Drawdown (1Y) Largest decline over 1 year	-7.86%	-0.21%	-7.65%
Max Drawdown (3Y) Largest decline over 3 years	-7.86%	-2.36%	-5.50%
Max Drawdown (5Y) Largest decline over 5 years	-24.48%	-6.27%	-18.21%
Max Drawdown (10Y) Largest decline over 10 years	-43.83%	—	—
Current Drawdown Current decline from peak	-3.32%	0.00%	-3.32%
Average Drawdown Average peak-to-trough decline	-7.34%	-4.88%	-2.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.35%	0.03%	+3.32%

Volatility

BSL vs. XILSX - Volatility Comparison

Blackstone Senior Floating Rate 2027 Term Fund (BSL) has a higher volatility of 1.10% compared to Pioneer ILS Interval Fund (XILSX) at 0.45%. This indicates that BSL's price experiences larger fluctuations and is considered to be riskier than XILSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BSL	XILSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.10%	0.45%	+0.65%
Volatility (6M) Calculated over the trailing 6-month period	5.24%	1.99%	+3.25%
Volatility (1Y) Calculated over the trailing 1-year period	6.62%	3.05%	+3.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.49%	3.77%	+6.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.40%	3.92%	+12.48%

BSL vs. XILSX - Expense Ratio Comparison

BSL has a 1.50% expense ratio, which is lower than XILSX's 1.88% expense ratio.

Dividends

BSL vs. XILSX - Dividend Comparison

BSL's dividend yield for the trailing twelve months is around 8.35%, less than XILSX's 8.77% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BSL Blackstone Senior Floating Rate 2027 Term Fund	8.35%	8.45%	9.46%	10.76%	6.89%	5.75%	7.65%	8.15%	9.21%	5.93%	5.86%	7.27%
XILSX Pioneer ILS Interval Fund	8.77%	9.51%	13.06%	12.82%	2.68%	2.04%	5.20%	6.63%	6.40%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both BSL and XILSX in my portfolio?

BSL and XILSX have a correlation of -0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BSL or XILSX?

BSL has higher volatility (1.10%) compared to XILSX (0.45%). In terms of maximum drawdown, BSL dropped -43.83% vs XILSX's -14.53%.

Which has better risk-adjusted returns?

XILSX currently has the higher Sharpe Ratio (8.08 vs -0.07), 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.