EPMB vs. OPTZ

Last updated Aug 2, 2026

EPMB (Harbor Mid Cap Core ETF) and OPTZ (Optimize Strategy Index ETF) are both Mid Cap Blend Equities funds. EPMB is actively managed, while OPTZ is passively managed. Over the past year, EPMB returned 24.05% vs 43.75% for OPTZ. Their 0.79 correlation means they have sometimes moved together and sometimes differently. EPMB charges 0.88%/yr vs 0.25%/yr for OPTZ.

Performance

EPMB vs. OPTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Harbor Mid Cap Core ETF (EPMB) and Optimize Strategy Index ETF (OPTZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, EPMB achieves a 14.00% return, which is significantly lower than OPTZ's 24.46% return.

EPMB

• 1D: 0.20%
• 1M: -0.86%
• 6M: 7.84%
• YTD: 14.00%
• 1Y: 24.05%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 25.10%

OPTZ

• 1D: -0.11%
• 1M: -3.89%
• 6M: 20.35%
• YTD: 24.46%
• 1Y: 43.75%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 28.91%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
EPMB Harbor Mid Cap Core ETF	$1.66K	$1.92K	$1.05K
OPTZ Optimize Strategy Index ETF	$154.33K	$341.82K	$247.38K

EPMB vs. OPTZ - Yearly Performance Comparison

	2026 (YTD)	2025
EPMB Harbor Mid Cap Core ETF	14.00%	15.95%
OPTZ Optimize Strategy Index ETF	24.46%	33.98%

Correlation

The correlation between EPMB and OPTZ is 0.79, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.79
Correlation (All Time) Calculated using the full available price history since May 2, 2025	0.79

The correlation between EPMB and OPTZ has been stable across timeframes, ranging from 0.79 to 0.79 - a consistent structural relationship.

EPMB vs. OPTZ - Sectors Allocation Comparison

Sectors	EPMB	OPTZ
Industrials	25.5%	7.9%
Technology	19.9%	56.6%
Financial Services	15.9%	7.8%
Healthcare	9.7%	9.7%
Consumer Cyclical	9.7%	8.1%
Basic Materials	6.1%	1.0%
Real Estate	5.1%	1.3%
Energy	3.8%	1.2%
Communication Services	2.5%	2.4%
Utilities	1.7%	0.6%
Consumer Defensive	1.2%	3.6%

Return for Risk

EPMB vs. OPTZ — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

EPMB

EPMB Risk / Return Rank: 71
EPMB Sharpe Ratio Rank: 69
EPMB Sortino Ratio Rank: 72
EPMB Omega Ratio Rank: 65
EPMB Calmar Ratio Rank: 73
EPMB Martin Ratio Rank: 77

OPTZ

OPTZ Risk / Return Rank: 81
OPTZ Sharpe Ratio Rank: 82
OPTZ Sortino Ratio Rank: 79
OPTZ Omega Ratio Rank: 77
OPTZ Calmar Ratio Rank: 83
OPTZ Martin Ratio Rank: 85

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

EPMB vs. OPTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Harbor Mid Cap Core ETF (EPMB) and Optimize Strategy Index ETF (OPTZ). 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.

	EPMB	OPTZ	Difference
Sharpe ratio: Return per unit of total volatility	1.59	1.88	-0.29
Sortino ratio: Return per unit of downside risk	2.37	2.56	-0.20
Omega ratio: Gain probability vs. loss probability	1.28	1.32	-0.04
Calmar ratio: Return relative to maximum drawdown	2.56	3.09	-0.53
Martin ratio: Return relative to average drawdown	9.90	12.07	-2.18

EPMB vs. OPTZ - Sharpe Ratio Comparison

The current EPMB Sharpe Ratio is 1.59, which is comparable to the OPTZ Sharpe Ratio of 1.88. The chart below compares the historical Sharpe Ratios of EPMB and OPTZ, 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

EPMB vs. OPTZ - Drawdown Comparison

The maximum EPMB drawdown since its inception was -8.95%, smaller than the maximum OPTZ drawdown of -25.75%. Use the drawdown chart below to compare losses from any high point for EPMB and OPTZ.

Drawdown Indicators

	EPMB	OPTZ	Difference
Max Drawdown Largest peak-to-trough decline	-8.95%	-25.75%	+16.80%
Max Drawdown (1Y) Largest decline over 1 year	-8.95%	-13.39%	+4.44%
Current Drawdown Current decline from peak	-2.26%	-9.85%	+7.59%
Average Drawdown Average peak-to-trough decline	-1.45%	-3.51%	+2.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.31%	3.42%	-1.11%

Volatility

EPMB vs. OPTZ - Volatility Comparison

The current volatility for Harbor Mid Cap Core ETF (EPMB) is 3.34%, while Optimize Strategy Index ETF (OPTZ) has a volatility of 8.76%. This indicates that EPMB experiences smaller price fluctuations and is considered to be less risky than OPTZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EPMB	OPTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.34%	8.76%	-5.42%
Volatility (6M) Calculated over the trailing 6-month period	10.91%	18.77%	-7.86%
Volatility (1Y) Calculated over the trailing 1-year period	14.47%	21.97%	-7.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.58%	21.88%	-7.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.58%	21.88%	-7.30%

EPMB vs. OPTZ - Expense Ratio Comparison

EPMB has a 0.88% expense ratio, which is higher than OPTZ's 0.25% expense ratio.

Dividends

EPMB vs. OPTZ - Dividend Comparison

EPMB's dividend yield for the trailing twelve months is around 1.57%, more than OPTZ's 0.47% yield.

Position	TTM	2025	2024
EPMB Harbor Mid Cap Core ETF	1.57%	1.79%	0.00%
OPTZ Optimize Strategy Index ETF	0.47%	0.58%	0.32%

Frequently Asked Questions

Can I hold both EPMB and OPTZ in my portfolio?

EPMB and OPTZ have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, EPMB or OPTZ?

OPTZ has higher volatility (8.76%) compared to EPMB (3.34%). In terms of maximum drawdown, EPMB dropped -8.95% vs OPTZ's -25.75%.

Which ETF is better, EPMB or OPTZ?

On 1-year performance, OPTZ leads with 43.75% vs 24.05% for EPMB. On fees, OPTZ is cheaper at 0.25% per year. On volatility, EPMB has been the lower-risk option at 3.34%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, EPMB or OPTZ?

Over the 1-year period, OPTZ has performed better with a 43.75% return vs 24.05%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, EPMB or OPTZ?

OPTZ is cheaper with a 0.25% expense ratio, compared with 0.88% for EPMB.

Which ETF pays a higher dividend yield, EPMB or OPTZ?

EPMB has the higher dividend yield at 1.57%, compared with 0.47% for OPTZ.

What is the main difference between EPMB and OPTZ?

They also come from different issuers: Harbor and Optimize. Their fees differ too: 0.88% for EPMB and 0.25% for OPTZ.

Which has better risk-adjusted returns?

OPTZ currently has the higher Sharpe Ratio (1.88 vs 1.59), 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.