SIHY vs. HAPI

Last updated Apr 2, 2026

Compare and contrast key facts about Harbor Scientific Alpha High-Yield ETF (SIHY) and Harbor Corporate Culture ETF (HAPI).

SIHY and HAPI 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. HAPI is a passively managed fund by Harbor that tracks the performance of the CIBC Human Capital Index. It was launched on Oct 12, 2022. Both SIHY and HAPI are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

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.

SIHY vs. HAPI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
SIHY Harbor Scientific Alpha High-Yield ETF	-0.73%	8.13%	8.67%	13.31%	5.06%
HAPI Harbor Corporate Culture ETF	-2.89%	16.26%	27.62%	30.29%	6.17%

Returns By Period

In the year-to-date period, SIHY achieves a -0.73% return, which is significantly higher than HAPI's -2.89% return.

SIHY

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

HAPI

• 1D: 0.47%
• 1M: -4.62%
• YTD: -2.89%
• 6M: -0.26%
• 1Y: 17.79%
• 3Y*: 19.88%
• 5Y*: —
• 10Y*: —

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

SIHY vs. HAPI - Expense Ratio Comparison

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

SIHY

Harbor Scientific Alpha High-Yield ETF

HAPI

Harbor Corporate Culture ETF

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: 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

HAPI

HAPI Risk / Return Rank: 57
HAPI Sharpe Ratio Rank: 53
HAPI Sortino Ratio Rank: 56
HAPI Omega Ratio Rank: 59
HAPI Calmar Ratio Rank: 53
HAPI Martin Ratio Rank: 65

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.

	SIHY	HAPI	Difference
Sharpe ratio Return per unit of total volatility	1.11	0.99	+0.11
Sortino ratio Return per unit of downside risk	1.59	1.52	+0.07
Omega ratio Gain probability vs. loss probability	1.25	1.23	+0.02
Calmar ratio Return relative to maximum drawdown	1.90	1.47	+0.43
Martin ratio Return relative to average drawdown	8.11	7.06	+1.05
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. HAPI - Sharpe Ratio Comparison

The current SIHY Sharpe Ratio is 1.11, which is comparable to the HAPI Sharpe Ratio of 0.99. The chart below compares the historical Sharpe Ratios of SIHY and HAPI, 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	HAPI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.11	0.99	+0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.59	1.40	-0.82

Correlation

The correlation between SIHY and HAPI is 0.60, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

SIHY vs. HAPI - Dividend Comparison

SIHY's dividend yield for the trailing twelve months is around 7.54%, more than HAPI's 0.89% 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%
HAPI Harbor Corporate Culture ETF	0.89%	0.87%	0.21%	1.21%	0.29%	0.00%

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	-4.32%	-12.18%	+7.86%
Current Drawdown Current decline from peak	-1.82%	-5.21%	+3.39%
Average Drawdown Average peak-to-trough decline	-2.87%	-2.09%	-0.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.01%	2.54%	-1.53%

Volatility

SIHY vs. HAPI - Volatility Comparison

The current volatility for Harbor Scientific Alpha High-Yield ETF (SIHY) is 2.22%, while Harbor Corporate Culture ETF (HAPI) has a volatility of 4.83%. 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	2.22%	4.83%	-2.61%
Volatility (6M) Calculated over the trailing 6-month period	3.10%	9.13%	-6.03%
Volatility (1Y) Calculated over the trailing 1-year period	6.34%	17.98%	-11.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.67%	15.80%	-8.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.67%	15.80%	-8.13%