SIHY vs. SHLD

Last updated Jun 14, 2026

SIHY (Harbor Scientific Alpha High-Yield ETF) and SHLD (Global X Defense Tech ETF) are both exchange-traded funds - SIHY is a High Yield Bonds fund tracking the ICE BofA US High Yield, while SHLD is a Aerospace & Defense fund tracking the Global X Defense Tech Index. Both are passively managed. Over the past year, SIHY returned 8.13% vs 8.26% for SHLD. At a 0.33 correlation, their price movements are largely independent. SIHY charges 0.48%/yr vs 0.50%/yr for SHLD.

Performance

SIHY vs. SHLD - Performance Comparison

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

Returns By Period

In the year-to-date period, SIHY achieves a 2.17% return, which is significantly higher than SHLD's -1.50% return.

SIHY

• 1D: -0.09%
• 1M: 1.34%
• YTD: 2.17%
• 6M: 2.61%
• 1Y: 8.13%
• 3Y*: 9.46%
• 5Y*: —
• 10Y*: —

SHLD

• 1D: -2.04%
• 1M: 2.37%
• YTD: -1.50%
• 6M: -1.03%
• 1Y: 8.26%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SIHY vs. SHLD - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
SIHY Harbor Scientific Alpha High-Yield ETF	2.17%	8.13%	8.67%	6.84%
SHLD Global X Defense Tech ETF	-1.50%	74.16%	35.03%	12.89%

Correlation

The correlation between SIHY and SHLD is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.33
Correlation (All Time) Calculated using the full available price history since Sep 13, 2023	0.33

Return for Risk

SIHY vs. SHLD — Risk / Return Rank

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

SIHY

SIHY Risk / Return Rank: 66
SIHY Sharpe Ratio Rank: 65
SIHY Sortino Ratio Rank: 75
SIHY Omega Ratio Rank: 71
SIHY Calmar Ratio Rank: 57
SIHY Martin Ratio Rank: 64

SHLD

SHLD Risk / Return Rank: 16
SHLD Sharpe Ratio Rank: 17
SHLD Sortino Ratio Rank: 17
SHLD Omega Ratio Rank: 16
SHLD Calmar Ratio Rank: 16
SHLD Martin Ratio Rank: 16

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. SHLD - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Harbor Scientific Alpha High-Yield ETF (SIHY) and Global X Defense Tech ETF (SHLD). 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.

	SIHY	SHLD	Difference
Sharpe ratio: Return per unit of total volatility	1.90	0.43	+1.48
Sortino ratio: Return per unit of downside risk	2.96	0.78	+2.19
Omega ratio: Gain probability vs. loss probability	1.37	1.09	+0.28
Calmar ratio: Return relative to maximum drawdown	2.51	0.52	+1.99
Martin ratio: Return relative to average drawdown	10.38	1.28	+9.09

SIHY vs. SHLD - Sharpe Ratio Comparison

The current SIHY Sharpe Ratio is 1.90, which is higher than the SHLD Sharpe Ratio of 0.43. The chart below compares the historical Sharpe Ratios of SIHY and SHLD, 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

SIHY vs. SHLD - Drawdown Comparison

The maximum SIHY drawdown since its inception was -13.30%, smaller than the maximum SHLD drawdown of -20.10%. Use the drawdown chart below to compare losses from any high point for SIHY and SHLD.

Drawdown Indicators

	SIHY	SHLD	Difference
Max Drawdown Largest peak-to-trough decline	-13.30%	-20.10%	+6.80%
Max Drawdown (1Y) Largest decline over 1 year	-3.17%	-20.10%	+16.93%
Max Drawdown (3Y) Largest decline over 3 years	-5.36%	—	—
Current Drawdown Current decline from peak	-0.09%	-18.20%	+18.11%
Average Drawdown Average peak-to-trough decline	-2.76%	-3.34%	+0.58%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.76%	8.12%	-7.36%

Volatility

SIHY vs. SHLD - Volatility Comparison

The current volatility for Harbor Scientific Alpha High-Yield ETF (SIHY) is 1.19%, while Global X Defense Tech ETF (SHLD) has a volatility of 9.05%. This indicates that SIHY experiences smaller price fluctuations and is considered to be less risky than SHLD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SIHY	SHLD	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.19%	9.05%	-7.86%
Volatility (6M) Calculated over the trailing 6-month period	3.12%	19.94%	-16.82%
Volatility (1Y) Calculated over the trailing 1-year period	4.18%	24.55%	-20.37%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.56%	21.29%	-13.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.56%	21.29%	-13.73%

SIHY vs. SHLD - Expense Ratio Comparison

SIHY has a 0.48% expense ratio, which is lower than SHLD's 0.50% expense ratio.

Dividends

SIHY vs. SHLD - Dividend Comparison

SIHY's dividend yield for the trailing twelve months is around 7.23%, more than SHLD's 0.56% yield.

Position	TTM	2025	2024	2023	2022	2021
SHLD Global X Defense Tech ETF	0.56%	0.55%	0.53%	0.26%	0.00%	0.00%
SIHY Harbor Scientific Alpha High-Yield ETF	7.23%	7.61%	7.54%	7.06%	6.31%	1.30%

Frequently Asked Questions

Can I hold both SIHY and SHLD in my portfolio?

SIHY and SHLD have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SIHY or SHLD?

SHLD has higher volatility (9.05%) compared to SIHY (1.19%). In terms of maximum drawdown, SIHY dropped -13.30% vs SHLD's -20.10%.

Which ETF is better, SIHY or SHLD?

On 1-year performance, SHLD leads with 8.26% vs 8.13% for SIHY. On fees, SIHY is cheaper at 0.48% per year. On volatility, SIHY has been the lower-risk option at 1.19%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SIHY or SHLD?

Over the 1-year period, SHLD has performed better with a 8.26% return vs 8.13%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SIHY or SHLD?

SIHY is cheaper with a 0.48% expense ratio, compared with 0.50% for SHLD.

Which ETF pays a higher dividend yield, SIHY or SHLD?

SIHY has the higher dividend yield at 7.23%, compared with 0.56% for SHLD.

What is the main difference between SIHY and SHLD?

SIHY is categorized as High Yield Bonds, while SHLD is Aerospace & Defense. SIHY tracks ICE BofA US High Yield, while SHLD tracks Global X Defense Tech Index. They also come from different issuers: Harbor and Global X. Their fees differ too: 0.48% for SIHY and 0.50% for SHLD.

Which has better risk-adjusted returns?

SIHY currently has the higher Sharpe Ratio (1.90 vs 0.43), 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.