SIHY vs. HYBL

Last updated Apr 2, 2026

Compare and contrast key facts about Harbor Scientific Alpha High-Yield ETF (SIHY) and SPDR Blackstone High Income ETF (HYBL).

SIHY and HYBL are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. SIHY is a passively managed fund by Harbor that tracks the performance of the ICE BofA US High Yield. It was launched on Sep 14, 2021. HYBL is an actively managed fund by State Street. It was launched on Feb 16, 2022.

Performance

SIHY vs. HYBL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Harbor Scientific Alpha High-Yield ETF (SIHY) and SPDR Blackstone High Income ETF (HYBL). The values are adjusted to include any dividend payments, if applicable.

SIHY vs. HYBL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
SIHY Harbor Scientific Alpha High-Yield ETF	-0.73%	8.13%	8.67%	13.31%	-3.53%
HYBL SPDR Blackstone High Income ETF	-0.93%	7.78%	9.12%	11.86%	-4.72%

Returns By Period

In the year-to-date period, SIHY achieves a -0.73% return, which is significantly higher than HYBL's -0.93% return.

SIHY

• 1D: 0.22%
• 1M: -0.57%
• YTD: -0.73%
• 6M: 0.35%
• 1Y: 6.86%
• 3Y*: 8.45%
• 5Y*: —
• 10Y*: —

HYBL

• 1D: 0.12%
• 1M: 0.17%
• YTD: -0.93%
• 6M: 0.68%
• 1Y: 6.36%
• 3Y*: 8.13%
• 5Y*: —
• 10Y*: —

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

SIHY vs. HYBL - Expense Ratio Comparison

SIHY has a 0.48% expense ratio, which is lower than HYBL's 0.70% expense ratio.

HYBL

SPDR Blackstone High Income ETF

SIHY

Harbor Scientific Alpha High-Yield ETF

Return for Risk

SIHY vs. HYBL — Risk / Return Rank

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

SIHY

SIHY Risk / Return Rank: 64
SIHY Sharpe Ratio Rank: 59
SIHY Sortino Ratio Rank: 58
SIHY Omega Ratio Rank: 64
SIHY Calmar Ratio Rank: 68
SIHY Martin Ratio Rank: 71

HYBL

HYBL Risk / Return Rank: 76
HYBL Sharpe Ratio Rank: 74
HYBL Sortino Ratio Rank: 77
HYBL Omega Ratio Rank: 85
HYBL Calmar Ratio Rank: 68
HYBL Martin Ratio Rank: 73

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.

SIHY vs. HYBL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Harbor Scientific Alpha High-Yield ETF (SIHY) and SPDR Blackstone High Income ETF (HYBL). 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.

	SIHY	HYBL	Difference
Sharpe ratio Return per unit of total volatility	1.11	1.37	-0.27
Sortino ratio Return per unit of downside risk	1.59	2.03	-0.44
Omega ratio Gain probability vs. loss probability	1.25	1.35	-0.10
Calmar ratio Return relative to maximum drawdown	1.90	1.82	+0.08
Martin ratio Return relative to average drawdown	8.11	7.99	+0.12
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SIHY vs. HYBL - Sharpe Ratio Comparison

The current SIHY Sharpe Ratio is 1.11, which is comparable to the HYBL Sharpe Ratio of 1.37. The chart below compares the historical Sharpe Ratios of SIHY and HYBL, 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

	SIHY	HYBL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.11	1.37	-0.27
Sharpe Ratio (All Time) Calculated using the full available price history	0.59	1.17	-0.59

Correlation

The correlation between SIHY and HYBL is 0.74, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

SIHY vs. HYBL - Dividend Comparison

SIHY's dividend yield for the trailing twelve months is around 7.54%, more than HYBL's 7.25% yield.

	TTM	2025	2024	2023	2022	2021
SIHY Harbor Scientific Alpha High-Yield ETF	7.54%	7.61%	7.54%	7.06%	6.31%	1.30%
HYBL SPDR Blackstone High Income ETF	7.25%	7.22%	7.88%	7.93%	5.10%	0.00%

Drawdowns

SIHY vs. HYBL - Drawdown Comparison

The maximum SIHY drawdown since its inception was -13.30%, which is greater than HYBL's maximum drawdown of -8.46%. Use the drawdown chart below to compare losses from any high point for SIHY and HYBL.

Drawdown Indicators

	SIHY	HYBL	Difference
Max Drawdown Largest peak-to-trough decline	-13.30%	-8.46%	-4.84%
Max Drawdown (1Y) Largest decline over 1 year	-4.32%	-3.54%	-0.78%
Current Drawdown Current decline from peak	-1.82%	-1.49%	-0.33%
Average Drawdown Average peak-to-trough decline	-2.87%	-1.40%	-1.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.01%	0.81%	+0.20%

Volatility

SIHY vs. HYBL - Volatility Comparison

Harbor Scientific Alpha High-Yield ETF (SIHY) has a higher volatility of 2.22% compared to SPDR Blackstone High Income ETF (HYBL) at 1.43%. This indicates that SIHY's price experiences larger fluctuations and is considered to be riskier than HYBL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SIHY	HYBL	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.22%	1.43%	+0.79%
Volatility (6M) Calculated over the trailing 6-month period	3.10%	2.16%	+0.94%
Volatility (1Y) Calculated over the trailing 1-year period	6.34%	4.65%	+1.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.67%	4.64%	+3.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.67%	4.64%	+3.03%