EPAI vs. VOX

Last updated Jun 4, 2026

EPAI (Harbor AI Inflection Strategy ETF) and VOX (Vanguard Communication Services ETF) are both Technology Equities funds. EPAI is actively managed, while VOX is passively managed. At a 0.36 correlation, their price movements are largely independent. EPAI charges 0.88%/yr vs 0.10%/yr for VOX.

Performance

EPAI vs. VOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Harbor AI Inflection Strategy ETF (EPAI) and Vanguard Communication Services ETF (VOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, EPAI achieves a 47.68% return, which is significantly higher than VOX's -1.38% return.

EPAI

• 1D: 0.85%
• 1M: 9.43%
• YTD: 47.68%
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

VOX

• 1D: -0.84%
• 1M: -2.77%
• YTD: -1.38%
• 6M: 0.47%
• 1Y: 20.55%
• 3Y*: 24.02%
• 5Y*: 7.58%
• 10Y*: 9.30%

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

EPAI vs. VOX - Yearly Performance Comparison

	2026 (YTD)	2025
EPAI Harbor AI Inflection Strategy ETF	47.68%	0.86%
VOX Vanguard Communication Services ETF	-1.38%	1.21%

Correlation

The correlation between EPAI and VOX is 0.36, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Dec 19, 2025	0.36

Return for Risk

EPAI vs. VOX — Risk / Return Rank

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

VOX

VOX Risk / Return Rank: 35
VOX Sharpe Ratio Rank: 36
VOX Sortino Ratio Rank: 38
VOX Omega Ratio Rank: 35
VOX Calmar Ratio Rank: 30
VOX Martin Ratio Rank: 37

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.

EPAI vs. VOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Harbor AI Inflection Strategy ETF (EPAI) and Vanguard Communication Services ETF (VOX). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	EPAI	VOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.34	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.36	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.45	—
Sharpe Ratio (All Time) Calculated using the full available price history	4.70	0.43	+4.26

Drawdowns

EPAI vs. VOX - Drawdown Comparison

The maximum EPAI drawdown since its inception was -12.31%, smaller than the maximum VOX drawdown of -57.18%. Use the drawdown chart below to compare losses from any high point for EPAI and VOX.

Drawdown Indicators

	EPAI	VOX	Difference
Max Drawdown Largest peak-to-trough decline	-12.31%	-57.18%	+44.87%
Max Drawdown (1Y) Largest decline over 1 year	—	-13.56%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-21.15%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-46.76%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-46.76%	—
Current Drawdown Current decline from peak	0.00%	-4.70%	+4.70%
Average Drawdown Average peak-to-trough decline	-2.67%	-11.91%	+9.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.54%	—

Volatility

Volatility by Period

	EPAI	VOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	4.24%	—
Volatility (6M) Calculated over the trailing 6-month period	—	11.16%	—
Volatility (1Y) Calculated over the trailing 1-year period	30.61%	15.45%	+15.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.61%	21.15%	+9.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.61%	20.89%	+9.72%

EPAI vs. VOX - Expense Ratio Comparison

EPAI has a 0.88% expense ratio, which is higher than VOX's 0.10% expense ratio.

Dividends

EPAI vs. VOX - Dividend Comparison

EPAI has not paid dividends to shareholders, while VOX's dividend yield for the trailing twelve months is around 1.00%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EPAI Harbor AI Inflection Strategy ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VOX Vanguard Communication Services ETF	1.00%	0.95%	1.05%	1.03%	0.88%	0.93%	0.73%	0.90%	2.77%	3.83%	2.67%	3.55%

Frequently Asked Questions

Can I hold both EPAI and VOX in my portfolio?

EPAI and VOX have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, EPAI or VOX?

On fees, VOX is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, EPAI or VOX?

VOX is cheaper with a 0.10% expense ratio, compared with 0.88% for EPAI.

Which ETF pays a higher dividend yield, EPAI or VOX?

VOX has the higher dividend yield at 1.00%, compared with 0.00% for EPAI.

What is the main difference between EPAI and VOX?

They also come from different issuers: Harbor and Vanguard. Their fees differ too: 0.88% for EPAI and 0.10% for VOX.