SIHY vs. HAPI

Last updated Jun 26, 2026

SIHY (Harbor Scientific Alpha High-Yield ETF) and HAPI (Harbor Corporate Culture ETF) are both exchange-traded funds - SIHY is a High Yield Bonds fund tracking the ICE BofA US High Yield, while HAPI is a Large Cap Blend Equities fund tracking the CIBC Human Capital Index. Both are passively managed. Over the past 3 years, SIHY returned 9.70%/yr vs 20.57%/yr for HAPI. A 0.60 correlation means they provide meaningful diversification when combined. SIHY charges 0.48%/yr vs 0.35%/yr for HAPI.

Performance

SIHY vs. HAPI - Performance Comparison

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

Returns By Period

In the year-to-date period, SIHY achieves a 2.37% return, which is significantly lower than HAPI's 5.83% return.

SIHY

• 1D: 0.07%
• 1M: 0.88%
• YTD: 2.37%
• 6M: 2.46%
• 1Y: 7.25%
• 3Y*: 9.70%
• 5Y*: —
• 10Y*: —

HAPI

• 1D: -0.35%
• 1M: -2.18%
• YTD: 5.83%
• 6M: 4.86%
• 1Y: 17.32%
• 3Y*: 20.57%
• 5Y*: —
• 10Y*: —

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

SIHY vs. HAPI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
SIHY Harbor Scientific Alpha High-Yield ETF	2.37%	8.13%	8.67%	13.31%	5.57%
HAPI Harbor Corporate Culture ETF	5.83%	16.26%	27.62%	30.29%	10.38%

Correlation

The correlation between SIHY and HAPI is 0.57, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.57
Correlation (3Y) Calculated over the trailing 3-year period	0.57
Correlation (All Time) Calculated using the full available price history since Oct 13, 2022	0.61

The correlation between SIHY and HAPI has been stable across timeframes, ranging from 0.57 to 0.60 - a consistent structural relationship.

Return for Risk

SIHY vs. HAPI — Risk / Return Rank

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

SIHY

SIHY Risk / Return Rank: 60
SIHY Sharpe Ratio Rank: 58
SIHY Sortino Ratio Rank: 67
SIHY Omega Ratio Rank: 62
SIHY Calmar Ratio Rank: 53
SIHY Martin Ratio Rank: 61

HAPI

HAPI Risk / Return Rank: 50
HAPI Sharpe Ratio Rank: 48
HAPI Sortino Ratio Rank: 48
HAPI Omega Ratio Rank: 45
HAPI Calmar Ratio Rank: 48
HAPI Martin Ratio Rank: 58

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. HAPI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Harbor Scientific Alpha High-Yield ETF (SIHY) and Harbor Corporate Culture ETF (HAPI). 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	HAPI	Difference
Sharpe ratio: Return per unit of total volatility	1.73	1.47	+0.26
Sortino ratio: Return per unit of downside risk	2.69	2.12	+0.56
Omega ratio: Gain probability vs. loss probability	1.33	1.26	+0.07
Calmar ratio: Return relative to maximum drawdown	2.30	2.14	+0.16
Martin ratio: Return relative to average drawdown	9.48	8.98	+0.50

SIHY vs. HAPI - Sharpe Ratio Comparison

The current SIHY Sharpe Ratio is 1.73, which is comparable to the HAPI Sharpe Ratio of 1.47. The chart below compares the historical Sharpe Ratios of SIHY and HAPI, 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. HAPI - Drawdown Comparison

The maximum SIHY drawdown since its inception was -13.30%, smaller than the maximum HAPI drawdown of -19.46%. Use the drawdown chart below to compare losses from any high point for SIHY and HAPI.

Drawdown Indicators

	SIHY	HAPI	Difference
Max Drawdown Largest peak-to-trough decline	-13.30%	-19.46%	+6.16%
Max Drawdown (1Y) Largest decline over 1 year	-3.17%	-8.12%	+4.95%
Max Drawdown (3Y) Largest decline over 3 years	-5.36%	-19.46%	+14.10%
Current Drawdown Current decline from peak	-0.24%	-3.61%	+3.37%
Average Drawdown Average peak-to-trough decline	-2.74%	-2.02%	-0.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.77%	1.93%	-1.16%

Volatility

SIHY vs. HAPI - Volatility Comparison

The current volatility for Harbor Scientific Alpha High-Yield ETF (SIHY) is 1.20%, while Harbor Corporate Culture ETF (HAPI) has a volatility of 4.05%. This indicates that SIHY experiences smaller price fluctuations and is considered to be less risky than HAPI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SIHY	HAPI	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.20%	4.05%	-2.85%
Volatility (6M) Calculated over the trailing 6-month period	3.16%	9.35%	-6.19%
Volatility (1Y) Calculated over the trailing 1-year period	4.21%	11.80%	-7.59%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.54%	15.73%	-8.19%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.54%	15.73%	-8.19%

SIHY vs. HAPI - Expense Ratio Comparison

SIHY has a 0.48% expense ratio, which is higher than HAPI's 0.35% expense ratio.

Dividends

SIHY vs. HAPI - Dividend Comparison

SIHY's dividend yield for the trailing twelve months is around 7.22%, more than HAPI's 0.82% yield.

Position	TTM	2025	2024	2023	2022	2021
HAPI Harbor Corporate Culture ETF	0.82%	0.87%	0.21%	1.21%	0.29%	0.00%
SIHY Harbor Scientific Alpha High-Yield ETF	7.22%	7.61%	7.54%	7.06%	6.31%	1.30%

Frequently Asked Questions

Can I hold both SIHY and HAPI in my portfolio?

SIHY and HAPI have a correlation of 0.57, 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 HAPI?

HAPI has higher volatility (4.05%) compared to SIHY (1.20%). In terms of maximum drawdown, SIHY dropped -13.30% vs HAPI's -19.46%.

Which ETF is better, SIHY or HAPI?

On 3-year performance, HAPI leads with 20.57% vs 9.70% for SIHY. On fees, HAPI is cheaper at 0.35% per year. On volatility, SIHY has been the lower-risk option at 1.20%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SIHY or HAPI?

Over the 3-year period, HAPI has performed better with a 20.57% return vs 9.70%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SIHY or HAPI?

HAPI is cheaper with a 0.35% expense ratio, compared with 0.48% for SIHY.

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

SIHY has the higher dividend yield at 7.22%, compared with 0.82% for HAPI.

What is the main difference between SIHY and HAPI?

SIHY is categorized as High Yield Bonds, while HAPI is Large Cap Blend Equities. SIHY tracks ICE BofA US High Yield, while HAPI tracks CIBC Human Capital Index. Their fees differ too: 0.48% for SIHY and 0.35% for HAPI.

Which has better risk-adjusted returns?

SIHY currently has the higher Sharpe Ratio (1.73 vs 1.47), 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.