MAPP vs. SIHY

Last updated Apr 1, 2026

Compare and contrast key facts about Harbor Multi-Asset Explorer ETF (MAPP) and Harbor Scientific Alpha High-Yield ETF (SIHY).

MAPP and SIHY are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MAPP is an actively managed fund by Harbor. It was launched on Sep 13, 2023. 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.

Performance

MAPP vs. SIHY - Performance Comparison

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

MAPP vs. SIHY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
MAPP Harbor Multi-Asset Explorer ETF	-0.04%	18.67%	14.25%	3.86%
SIHY Harbor Scientific Alpha High-Yield ETF	-0.95%	8.13%	8.67%	6.50%

Returns By Period

In the year-to-date period, MAPP achieves a -0.04% return, which is significantly higher than SIHY's -0.95% return.

MAPP

• 1D: 1.46%
• 1M: -4.59%
• YTD: -0.04%
• 6M: 2.72%
• 1Y: 17.17%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SIHY

• 1D: 1.17%
• 1M: -1.14%
• YTD: -0.95%
• 6M: 0.47%
• 1Y: 7.98%
• 3Y*: 8.37%
• 5Y*: —
• 10Y*: —

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

MAPP vs. SIHY - Expense Ratio Comparison

MAPP has a 0.92% expense ratio, which is higher than SIHY's 0.48% expense ratio.

MAPP

Harbor Multi-Asset Explorer ETF

SIHY

Harbor Scientific Alpha High-Yield ETF

Return for Risk

MAPP vs. SIHY — Risk / Return Rank

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

MAPP

MAPP Risk / Return Rank: 77
MAPP Sharpe Ratio Rank: 76
MAPP Sortino Ratio Rank: 78
MAPP Omega Ratio Rank: 79
MAPP Calmar Ratio Rank: 69
MAPP Martin Ratio Rank: 82

SIHY

SIHY Risk / Return Rank: 68
SIHY Sharpe Ratio Rank: 71
SIHY Sortino Ratio Rank: 73
SIHY Omega Ratio Rank: 76
SIHY Calmar Ratio Rank: 57
SIHY Martin Ratio Rank: 62

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.

MAPP vs. SIHY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Harbor Multi-Asset Explorer ETF (MAPP) and Harbor Scientific Alpha High-Yield ETF (SIHY). 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.

	MAPP	SIHY	Difference
Sharpe ratio Return per unit of total volatility	1.41	1.27	+0.14
Sortino ratio Return per unit of downside risk	2.02	1.83	+0.19
Omega ratio Gain probability vs. loss probability	1.31	1.29	+0.02
Calmar ratio Return relative to maximum drawdown	1.80	1.45	+0.35
Martin ratio Return relative to average drawdown	9.36	6.20	+3.16
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MAPP vs. SIHY - Sharpe Ratio Comparison

The current MAPP Sharpe Ratio is 1.41, which is comparable to the SIHY Sharpe Ratio of 1.27. The chart below compares the historical Sharpe Ratios of MAPP and SIHY, 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

	MAPP	SIHY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.41	1.27	+0.14
Sharpe Ratio (All Time) Calculated using the full available price history	1.34	0.58	+0.76

Correlation

The correlation between MAPP and SIHY is 0.63, 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

MAPP vs. SIHY - Dividend Comparison

MAPP's dividend yield for the trailing twelve months is around 2.96%, less than SIHY's 7.46% yield.

	TTM	2025	2024	2023	2022	2021
MAPP Harbor Multi-Asset Explorer ETF	2.96%	2.96%	2.41%	2.78%	0.00%	0.00%
SIHY Harbor Scientific Alpha High-Yield ETF	7.46%	7.61%	7.54%	7.06%	6.31%	1.30%

Drawdowns

MAPP vs. SIHY - Drawdown Comparison

The maximum MAPP drawdown since its inception was -12.92%, roughly equal to the maximum SIHY drawdown of -13.30%. Use the drawdown chart below to compare losses from any high point for MAPP and SIHY.

Drawdown Indicators

	MAPP	SIHY	Difference
Max Drawdown Largest peak-to-trough decline	-12.92%	-13.30%	+0.38%
Max Drawdown (1Y) Largest decline over 1 year	-9.70%	-4.32%	-5.38%
Current Drawdown Current decline from peak	-4.80%	-2.04%	-2.76%
Average Drawdown Average peak-to-trough decline	-1.39%	-2.87%	+1.48%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.87%	1.01%	+0.86%

Volatility

MAPP vs. SIHY - Volatility Comparison

Harbor Multi-Asset Explorer ETF (MAPP) has a higher volatility of 3.65% compared to Harbor Scientific Alpha High-Yield ETF (SIHY) at 2.21%. This indicates that MAPP's price experiences larger fluctuations and is considered to be riskier than SIHY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MAPP	SIHY	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.65%	2.21%	+1.44%
Volatility (6M) Calculated over the trailing 6-month period	7.05%	3.09%	+3.96%
Volatility (1Y) Calculated over the trailing 1-year period	12.26%	6.54%	+5.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.83%	7.68%	+3.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.83%	7.68%	+3.15%