OSEA vs. MAPP

Last updated Apr 1, 2026

Compare and contrast key facts about Harbor International Compounders ETF (OSEA) and Harbor Multi-Asset Explorer ETF (MAPP).

OSEA and MAPP are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. OSEA is an actively managed fund by Harbor. It was launched on Sep 6, 2022. MAPP is an actively managed fund by Harbor. It was launched on Sep 13, 2023.

Performance

OSEA vs. MAPP - Performance Comparison

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

OSEA vs. MAPP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
OSEA Harbor International Compounders ETF	-4.30%	18.49%	-0.73%	10.48%
MAPP Harbor Multi-Asset Explorer ETF	-0.04%	18.67%	14.25%	3.86%

Returns By Period

In the year-to-date period, OSEA achieves a -4.30% return, which is significantly lower than MAPP's -0.04% return.

OSEA

• 1D: 3.06%
• 1M: -7.46%
• YTD: -4.30%
• 6M: -0.87%
• 1Y: 10.47%
• 3Y*: 6.92%
• 5Y*: —
• 10Y*: —

MAPP

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

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

OSEA vs. MAPP - Expense Ratio Comparison

OSEA has a 0.55% expense ratio, which is lower than MAPP's 0.92% expense ratio.

MAPP

Harbor Multi-Asset Explorer ETF

OSEA

Harbor International Compounders ETF

Return for Risk

OSEA vs. MAPP — Risk / Return Rank

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

OSEA

OSEA Risk / Return Rank: 34
OSEA Sharpe Ratio Rank: 34
OSEA Sortino Ratio Rank: 35
OSEA Omega Ratio Rank: 31
OSEA Calmar Ratio Rank: 36
OSEA Martin Ratio Rank: 37

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

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.

OSEA vs. MAPP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Harbor International Compounders ETF (OSEA) and Harbor Multi-Asset Explorer ETF (MAPP). 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.

	OSEA	MAPP	Difference
Sharpe ratio Return per unit of total volatility	0.61	1.41	-0.79
Sortino ratio Return per unit of downside risk	0.99	2.02	-1.04
Omega ratio Gain probability vs. loss probability	1.13	1.31	-0.18
Calmar ratio Return relative to maximum drawdown	0.89	1.80	-0.91
Martin ratio Return relative to average drawdown	3.33	9.36	-6.03
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OSEA vs. MAPP - Sharpe Ratio Comparison

The current OSEA Sharpe Ratio is 0.61, which is lower than the MAPP Sharpe Ratio of 1.41. The chart below compares the historical Sharpe Ratios of OSEA and MAPP, 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

	OSEA	MAPP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.61	1.41	-0.79
Sharpe Ratio (All Time) Calculated using the full available price history	0.73	1.34	-0.61

Correlation

The correlation between OSEA and MAPP is 0.82, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

OSEA vs. MAPP - Dividend Comparison

OSEA's dividend yield for the trailing twelve months is around 1.30%, less than MAPP's 2.96% yield.

	TTM	2025	2024	2023	2022
OSEA Harbor International Compounders ETF	1.30%	1.24%	0.51%	0.65%	0.11%
MAPP Harbor Multi-Asset Explorer ETF	2.96%	2.96%	2.41%	2.78%	0.00%

Drawdowns

OSEA vs. MAPP - Drawdown Comparison

The maximum OSEA drawdown since its inception was -18.14%, which is greater than MAPP's maximum drawdown of -12.92%. Use the drawdown chart below to compare losses from any high point for OSEA and MAPP.

Drawdown Indicators

	OSEA	MAPP	Difference
Max Drawdown Largest peak-to-trough decline	-18.14%	-12.92%	-5.22%
Max Drawdown (1Y) Largest decline over 1 year	-11.08%	-9.70%	-1.38%
Current Drawdown Current decline from peak	-7.86%	-4.80%	-3.06%
Average Drawdown Average peak-to-trough decline	-3.84%	-1.39%	-2.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.96%	1.87%	+1.09%

Volatility

OSEA vs. MAPP - Volatility Comparison

Harbor International Compounders ETF (OSEA) has a higher volatility of 7.06% compared to Harbor Multi-Asset Explorer ETF (MAPP) at 3.65%. This indicates that OSEA's price experiences larger fluctuations and is considered to be riskier than MAPP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OSEA	MAPP	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.06%	3.65%	+3.41%
Volatility (6M) Calculated over the trailing 6-month period	10.80%	7.05%	+3.75%
Volatility (1Y) Calculated over the trailing 1-year period	17.17%	12.26%	+4.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.51%	10.83%	+5.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.51%	10.83%	+5.68%