MAPP vs. SIHY

Last updated Jun 4, 2026

MAPP (Harbor Multi-Asset Explorer ETF) and SIHY (Harbor Scientific Alpha High-Yield ETF) are both exchange-traded funds - MAPP is a Global Allocation fund actively managed by Harbor, while SIHY is a High Yield Bonds fund tracking the ICE BofA US High Yield. MAPP is actively managed, while SIHY is passively managed. Over the past year, MAPP returned 21.23% vs 8.47% for SIHY. A 0.63 correlation means they provide meaningful diversification when combined. MAPP charges 0.92%/yr vs 0.48%/yr for SIHY.

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.

Returns By Period

In the year-to-date period, MAPP achieves a 7.25% return, which is significantly higher than SIHY's 1.74% return.

MAPP

• 1D: -0.65%
• 1M: 2.82%
• YTD: 7.25%
• 6M: 8.20%
• 1Y: 21.23%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SIHY

• 1D: -0.13%
• 1M: 0.88%
• YTD: 1.74%
• 6M: 2.22%
• 1Y: 8.47%
• 3Y*: 9.23%
• 5Y*: —
• 10Y*: —

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

MAPP vs. SIHY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
MAPP Harbor Multi-Asset Explorer ETF	7.25%	18.67%	14.25%	3.86%
SIHY Harbor Scientific Alpha High-Yield ETF	1.74%	8.13%	8.67%	6.50%

Correlation

The correlation between MAPP and SIHY is 0.62, 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	0.62
Correlation (All Time) Calculated using the full available price history since Sep 15, 2023	0.63

The correlation between MAPP and SIHY has been stable across timeframes, ranging from 0.62 to 0.63 - a consistent structural relationship.

MAPP vs. SIHY - Sectors Allocation Comparison

Sectors	MAPP	SIHY
Technology	36.9%	8.8%
Financial Services	15.0%	6.3%
Communication Services	12.2%	3.0%
Consumer Cyclical	8.3%	13.9%
Industrials	8.2%	14.8%
Consumer Defensive	5.4%	2.0%
Healthcare	5.4%	1.5%
Basic Materials	2.9%	3.2%
Energy	2.3%	11.9%
Utilities	1.8%	3.0%
Real Estate	1.6%	5.3%

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: 73
MAPP Sharpe Ratio Rank: 74
MAPP Sortino Ratio Rank: 75
MAPP Omega Ratio Rank: 73
MAPP Calmar Ratio Rank: 70
MAPP Martin Ratio Rank: 73

SIHY

SIHY Risk / Return Rank: 63
SIHY Sharpe Ratio Rank: 61
SIHY Sortino Ratio Rank: 69
SIHY Omega Ratio Rank: 66
SIHY Calmar Ratio Rank: 55
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	2.39	2.04	+0.35
Sortino ratio: Return per unit of downside risk	3.37	3.17	+0.20
Omega ratio: Gain probability vs. loss probability	1.43	1.40	+0.04
Calmar ratio: Return relative to maximum drawdown	3.45	2.69	+0.77
Martin ratio: Return relative to average drawdown	13.70	11.10	+2.60
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 2.39, which is comparable to the SIHY Sharpe Ratio of 2.04. The chart below compares the historical Sharpe Ratios of MAPP and SIHY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MAPP	SIHY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.39	2.04	+0.35
Sharpe Ratio (All Time) Calculated using the full available price history	1.53	0.64	+0.89

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	-6.17%	-3.17%	-3.00%
Max Drawdown (3Y) Largest decline over 3 years	—	-5.36%	—
Current Drawdown Current decline from peak	-0.65%	-0.13%	-0.52%
Average Drawdown Average peak-to-trough decline	-1.38%	-2.78%	+1.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.55%	0.76%	+0.79%

Volatility

MAPP vs. SIHY - Volatility Comparison

Harbor Multi-Asset Explorer ETF (MAPP) has a higher volatility of 2.98% compared to Harbor Scientific Alpha High-Yield ETF (SIHY) at 1.16%. 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	2.98%	1.16%	+1.82%
Volatility (6M) Calculated over the trailing 6-month period	7.07%	3.09%	+3.98%
Volatility (1Y) Calculated over the trailing 1-year period	8.94%	4.18%	+4.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.75%	7.58%	+3.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.75%	7.58%	+3.17%

MAPP vs. SIHY - Expense Ratio Comparison

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

Dividends

MAPP vs. SIHY - Dividend Comparison

MAPP's dividend yield for the trailing twelve months is around 2.76%, less than SIHY's 7.26% yield.

Position	TTM	2025	2024	2023	2022	2021
MAPP Harbor Multi-Asset Explorer ETF	2.76%	2.96%	2.41%	2.78%	0.00%	0.00%
SIHY Harbor Scientific Alpha High-Yield ETF	7.26%	7.61%	7.54%	7.06%	6.31%	1.30%

Frequently Asked Questions

Can I hold both MAPP and SIHY in my portfolio?

MAPP and SIHY have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MAPP or SIHY?

MAPP has higher volatility (2.98%) compared to SIHY (1.16%). In terms of maximum drawdown, MAPP dropped -12.92% vs SIHY's -13.30%.

Which ETF is better, MAPP or SIHY?

On 1-year performance, MAPP leads with 21.23% vs 8.47% for SIHY. On fees, SIHY is cheaper at 0.48% per year. On volatility, SIHY has been the lower-risk option at 1.16%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MAPP or SIHY?

Over the 1-year period, MAPP has performed better with a 21.23% return vs 8.47%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MAPP or SIHY?

SIHY is cheaper with a 0.48% expense ratio, compared with 0.92% for MAPP.

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

SIHY has the higher dividend yield at 7.26%, compared with 2.76% for MAPP.

What is the main difference between MAPP and SIHY?

MAPP is categorized as Global Allocation, while SIHY is High Yield Bonds. Their fees differ too: 0.92% for MAPP and 0.48% for SIHY.

Which has better risk-adjusted returns?

MAPP currently has the higher Sharpe Ratio (2.39 vs 2.04), 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.