AOTS vs. VOX

Last updated Jul 17, 2026

AOTS (AOT Software Platform ETF) and VOX (Vanguard Communication Services ETF) are both exchange-traded funds - AOTS is a Technology Equities fund tracking the AOT VettaFi Software Platform Index, while VOX is a Communications Equities fund tracking the MSCI US Investable Market Communication Services 25/50 Index. Both are passively managed. A 0.66 correlation means they provide meaningful diversification when combined. AOTS charges 0.49%/yr vs 0.09%/yr for VOX.

Performance

AOTS vs. VOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AOT Software Platform ETF (AOTS) 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, AOTS achieves a -5.68% return, which is significantly lower than VOX's -0.43% return.

AOTS

• 1D: 0.33%
• 1M: 4.04%
• 6M: -2.25%
• YTD: -5.68%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

VOX

• 1D: -1.47%
• 1M: 0.79%
• 6M: -0.32%
• YTD: -0.43%
• 1Y: 14.28%
• 3Y*: 21.92%
• 5Y*: 7.41%
• 10Y*: 8.25%

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

AOTS vs. VOX - Yearly Performance Comparison

	2026 (YTD)	2025
AOTS AOT Software Platform ETF	-5.68%	-0.83%
VOX Vanguard Communication Services ETF	-0.43%	0.35%

Correlation

The correlation between AOTS and VOX is 0.66, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Dec 23, 2025	0.66

Return for Risk

AOTS vs. VOX — Risk / Return Rank

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

AOTS

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

VOX

VOX Risk / Return Rank: 29
VOX Sharpe Ratio Rank: 29
VOX Sortino Ratio Rank: 29
VOX Omega Ratio Rank: 28
VOX Calmar Ratio Rank: 26
VOX Martin Ratio Rank: 30

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.

AOTS vs. VOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AOT Software Platform ETF (AOTS) 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.

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.

	AOTS	VOX	Difference
Sharpe ratio: Return per unit of total volatility	—	0.88	—
Sortino ratio: Return per unit of downside risk	—	1.35	—
Omega ratio: Gain probability vs. loss probability	—	1.16	—
Calmar ratio: Return relative to maximum drawdown	—	1.06	—
Martin ratio: Return relative to average drawdown	—	3.47	—

Drawdowns

AOTS vs. VOX - Drawdown Comparison

The maximum AOTS drawdown since its inception was -19.95%, smaller than the maximum VOX drawdown of -57.18%. Use the drawdown chart below to compare losses from any high point for AOTS and VOX.

Drawdown Indicators

	AOTS	VOX	Difference
Max Drawdown Largest peak-to-trough decline	-19.95%	-57.18%	+37.23%
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	-6.94%	-3.78%	-3.16%
Average Drawdown Average peak-to-trough decline	-10.05%	-11.88%	+1.83%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	4.13%	—

Volatility

Volatility by Period

	AOTS	VOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	6.50%	—
Volatility (6M) Calculated over the trailing 6-month period	—	12.83%	—
Volatility (1Y) Calculated over the trailing 1-year period	20.03%	16.28%	+3.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.03%	21.33%	-1.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.03%	20.94%	-0.91%

AOTS vs. VOX - Expense Ratio Comparison

AOTS has a 0.49% expense ratio, which is higher than VOX's 0.09% expense ratio.

Dividends

AOTS vs. VOX - Dividend Comparison

AOTS has not paid dividends to shareholders, while VOX's dividend yield for the trailing twelve months is around 1.02%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AOTS AOT Software Platform 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	1.02%	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 AOTS and VOX in my portfolio?

AOTS and VOX have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, AOTS or VOX?

On fees, VOX is cheaper at 0.09% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, AOTS or VOX?

VOX is cheaper with a 0.09% expense ratio, compared with 0.49% for AOTS.

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

VOX has the higher dividend yield at 1.02%, compared with 0.00% for AOTS.

What is the main difference between AOTS and VOX?

AOTS is categorized as Technology Equities, while VOX is Communications Equities. AOTS tracks AOT VettaFi Software Platform Index, while VOX tracks MSCI US Investable Market Communication Services 25/50 Index. They also come from different issuers: AOT and Vanguard. Their fees differ too: 0.49% for AOTS and 0.09% for VOX.