ARKK vs. VOX

Last updated Jun 5, 2026

ARKK (ARK Innovation ETF) and VOX (Vanguard Communication Services ETF) are both Technology Equities funds. ARKK is actively managed, while VOX is passively managed. Over the past 10 years, ARKK returned 15.82%/yr vs 9.36%/yr for VOX. A 0.64 correlation means they provide meaningful diversification when combined. ARKK charges 0.75%/yr vs 0.10%/yr for VOX.

Performance

ARKK vs. VOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ARK Innovation ETF (ARKK) 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, ARKK achieves a 4.10% return, which is significantly higher than VOX's -0.54% return. Over the past 10 years, ARKK has outperformed VOX with an annualized return of 15.82%, while VOX has yielded a comparatively lower 9.36% annualized return.

ARKK

• 1D: 2.44%
• 1M: 4.56%
• YTD: 4.10%
• 6M: -3.12%
• 1Y: 38.10%
• 3Y*: 24.28%
• 5Y*: -5.81%
• 10Y*: 15.82%

VOX

• 1D: 0.86%
• 1M: -1.63%
• YTD: -0.54%
• 6M: 0.42%
• 1Y: 20.31%
• 3Y*: 24.28%
• 5Y*: 7.76%
• 10Y*: 9.36%

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

ARKK vs. VOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ARKK ARK Innovation ETF	4.10%	35.49%	8.40%	69.04%	-66.97%	-23.60%	152.71%	35.08%	3.52%	87.33%
VOX Vanguard Communication Services ETF	-0.54%	26.27%	33.12%	44.81%	-38.85%	13.83%	29.12%	28.03%	-16.75%	-5.50%

Correlation

The correlation between ARKK and VOX 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 (3Y) Calculated over the trailing 3-year period	0.68
Correlation (5Y) Calculated over the trailing 5-year period	0.74
Correlation (10Y) Calculated over the trailing 10-year period	0.66
Correlation (All Time) Calculated using the full available price history since Nov 3, 2014	0.64

The correlation between ARKK and VOX shifts across timeframes, from 0.62 (1 year) to 0.74 (5 years), reflecting how their relationship changes across market environments.

ARKK vs. VOX - Sectors Allocation Comparison

Sectors	ARKK	VOX
Healthcare	27.4%	0.0%
Technology	26.4%	1.2%
Financial Services	15.4%	-
Consumer Cyclical	13.7%	0.2%
Communication Services	10.9%	98.4%
Industrials	6.3%	0.0%
Basic Materials	-	-
Consumer Defensive	-	-
Energy	-	-
Real Estate	-	0.1%
Utilities	-	-

Return for Risk

ARKK vs. VOX — Risk / Return Rank

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

ARKK

ARKK Risk / Return Rank: 28
ARKK Sharpe Ratio Rank: 30
ARKK Sortino Ratio Rank: 31
ARKK Omega Ratio Rank: 28
ARKK Calmar Ratio Rank: 26
ARKK Martin Ratio Rank: 22

VOX

VOX Risk / Return Rank: 37
VOX Sharpe Ratio Rank: 38
VOX Sortino Ratio Rank: 41
VOX Omega Ratio Rank: 37
VOX Calmar Ratio Rank: 31
VOX Martin Ratio Rank: 38

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.

ARKK vs. VOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ARK Innovation ETF (ARKK) 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.

	ARKK	VOX	Difference
Sharpe ratio: Return per unit of total volatility	1.05	1.32	-0.27
Sortino ratio: Return per unit of downside risk	1.61	1.98	-0.36
Omega ratio: Gain probability vs. loss probability	1.18	1.24	-0.05
Calmar ratio: Return relative to maximum drawdown	1.22	1.50	-0.28
Martin ratio: Return relative to average drawdown	2.71	5.74	-3.03
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARKK vs. VOX - Sharpe Ratio Comparison

The current ARKK Sharpe Ratio is 1.05, which is comparable to the VOX Sharpe Ratio of 1.32. The chart below compares the historical Sharpe Ratios of ARKK and VOX, 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

	ARKK	VOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.05	1.32	-0.27
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.13	0.37	-0.49
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.39	0.45	-0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	0.44	-0.08

Drawdowns

ARKK vs. VOX - Drawdown Comparison

The maximum ARKK drawdown since its inception was -80.97%, which is greater than VOX's maximum drawdown of -57.18%. Use the drawdown chart below to compare losses from any high point for ARKK and VOX.

Drawdown Indicators

	ARKK	VOX	Difference
Max Drawdown Largest peak-to-trough decline	-80.97%	-57.18%	-23.79%
Max Drawdown (1Y) Largest decline over 1 year	-31.35%	-13.56%	-17.79%
Max Drawdown (3Y) Largest decline over 3 years	-39.56%	-21.15%	-18.41%
Max Drawdown (5Y) Largest decline over 5 years	-77.23%	-46.76%	-30.47%
Max Drawdown (10Y) Largest decline over 10 years	-80.97%	-46.76%	-34.21%
Current Drawdown Current decline from peak	-48.15%	-3.88%	-44.27%
Average Drawdown Average peak-to-trough decline	-30.13%	-11.91%	-18.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	14.09%	3.55%	+10.54%

Volatility

ARKK vs. VOX - Volatility Comparison

ARK Innovation ETF (ARKK) has a higher volatility of 9.47% compared to Vanguard Communication Services ETF (VOX) at 4.35%. This indicates that ARKK's price experiences larger fluctuations and is considered to be riskier than VOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARKK	VOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.47%	4.35%	+5.12%
Volatility (6M) Calculated over the trailing 6-month period	25.18%	11.18%	+14.00%
Volatility (1Y) Calculated over the trailing 1-year period	36.42%	15.47%	+20.95%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	46.29%	21.15%	+25.14%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	40.26%	20.89%	+19.37%

ARKK vs. VOX - Expense Ratio Comparison

ARKK has a 0.75% expense ratio, which is higher than VOX's 0.10% expense ratio.

Dividends

ARKK vs. VOX - Dividend Comparison

ARKK has not paid dividends to shareholders, while VOX's dividend yield for the trailing twelve months is around 0.99%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ARKK ARK Innovation ETF	0.00%	0.00%	0.00%	0.70%	0.00%	0.55%	1.64%	0.38%	3.14%	1.32%	0.00%	2.27%
VOX Vanguard Communication Services ETF	0.99%	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 ARKK and VOX in my portfolio?

ARKK and VOX 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, ARKK or VOX?

ARKK has higher volatility (9.47%) compared to VOX (4.35%). In terms of maximum drawdown, ARKK dropped -80.97% vs VOX's -57.18%.

Which ETF is better, ARKK or VOX?

On 10-year performance, ARKK leads with 15.82% vs 9.36% for VOX. On fees, VOX is cheaper at 0.10% per year. On volatility, VOX has been the lower-risk option at 4.35%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ARKK or VOX?

Over the 10-year period, ARKK has performed better with a 15.82% return vs 9.36%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ARKK or VOX?

VOX is cheaper with a 0.10% expense ratio, compared with 0.75% for ARKK.

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

VOX has the higher dividend yield at 0.99%, compared with 0.00% for ARKK.

What is the main difference between ARKK and VOX?

They also come from different issuers: ARK and Vanguard. Their fees differ too: 0.75% for ARKK and 0.10% for VOX.

Which has better risk-adjusted returns?

VOX currently has the higher Sharpe Ratio (1.32 vs 1.05), 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.