TECB vs. VOX

Last updated Jun 4, 2026

TECB (iShares U.S. Tech Breakthrough Multisector ETF) and VOX (Vanguard Communication Services ETF) are both Technology Equities funds - TECB tracks the NYSE FactSet U.S. Tech Breakthrough Index while VOX tracks the MSCI US Investable Market Telecommunication Services 25/50 Index. Both are passively managed. Over the past 5 years, TECB returned 14.60%/yr vs 7.58%/yr for VOX. Their correlation of 0.82 suggests significant overlap in exposure. TECB charges 0.40%/yr vs 0.10%/yr for VOX.

Performance

TECB vs. VOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares U.S. Tech Breakthrough Multisector ETF (TECB) 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, TECB achieves a 19.78% return, which is significantly higher than VOX's -1.38% return.

TECB

• 1D: -0.89%
• 1M: 12.64%
• YTD: 19.78%
• 6M: 18.27%
• 1Y: 34.41%
• 3Y*: 26.35%
• 5Y*: 14.60%
• 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)

TECB vs. VOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
TECB iShares U.S. Tech Breakthrough Multisector ETF	19.78%	14.86%	24.38%	57.53%	-34.39%	19.60%	39.90%
VOX Vanguard Communication Services ETF	-1.38%	26.27%	33.12%	44.81%	-38.85%	13.83%	25.82%

Correlation

The correlation between TECB and VOX is 0.64, 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	0.64
Correlation (3Y) Calculated over the trailing 3-year period	0.74
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (All Time) Calculated using the full available price history since Jan 13, 2020	0.82

The correlation between TECB and VOX shifts across timeframes, from 0.64 (1 year) to 0.82 (5 years), reflecting how their relationship changes across market environments.

TECB vs. VOX - Sectors Allocation Comparison

Sectors	TECB	VOX
Technology	63.2%	1.2%
Healthcare	11.1%	0.0%
Communication Services	11.1%	98.4%
Financial Services	5.7%	-
Consumer Cyclical	5.4%	0.2%
Real Estate	1.8%	0.1%
Industrials	1.0%	0.0%
Energy	0.7%	-
Basic Materials	-	-
Consumer Defensive	-	-
Utilities	-	-

Return for Risk

TECB vs. VOX — Risk / Return Rank

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

TECB

TECB Risk / Return Rank: 51
TECB Sharpe Ratio Rank: 59
TECB Sortino Ratio Rank: 57
TECB Omega Ratio Rank: 54
TECB Calmar Ratio Rank: 43
TECB Martin Ratio Rank: 39

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.

TECB vs. VOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Tech Breakthrough Multisector ETF (TECB) 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.

	TECB	VOX	Difference
Sharpe ratio: Return per unit of total volatility	2.03	1.34	+0.69
Sortino ratio: Return per unit of downside risk	2.75	2.00	+0.75
Omega ratio: Gain probability vs. loss probability	1.34	1.24	+0.10
Calmar ratio: Return relative to maximum drawdown	2.13	1.52	+0.61
Martin ratio: Return relative to average drawdown	6.24	5.83	+0.41
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TECB vs. VOX - Sharpe Ratio Comparison

The current TECB Sharpe Ratio is 2.03, which is higher than the VOX Sharpe Ratio of 1.34. The chart below compares the historical Sharpe Ratios of TECB 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

	TECB	VOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.03	1.34	+0.69
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.62	0.36	+0.26
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.45	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.73	0.43	+0.30

Drawdowns

TECB vs. VOX - Drawdown Comparison

The maximum TECB drawdown since its inception was -41.62%, smaller than the maximum VOX drawdown of -57.18%. Use the drawdown chart below to compare losses from any high point for TECB and VOX.

Drawdown Indicators

	TECB	VOX	Difference
Max Drawdown Largest peak-to-trough decline	-41.62%	-57.18%	+15.56%
Max Drawdown (1Y) Largest decline over 1 year	-16.24%	-13.56%	-2.68%
Max Drawdown (3Y) Largest decline over 3 years	-23.91%	-21.15%	-2.76%
Max Drawdown (5Y) Largest decline over 5 years	-41.62%	-46.76%	+5.14%
Max Drawdown (10Y) Largest decline over 10 years	—	-46.76%	—
Current Drawdown Current decline from peak	-1.70%	-4.70%	+3.00%
Average Drawdown Average peak-to-trough decline	-10.18%	-11.91%	+1.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.53%	3.54%	+1.99%

Volatility

TECB vs. VOX - Volatility Comparison

iShares U.S. Tech Breakthrough Multisector ETF (TECB) has a higher volatility of 5.28% compared to Vanguard Communication Services ETF (VOX) at 4.24%. This indicates that TECB'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

	TECB	VOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.28%	4.24%	+1.04%
Volatility (6M) Calculated over the trailing 6-month period	13.17%	11.16%	+2.01%
Volatility (1Y) Calculated over the trailing 1-year period	17.05%	15.45%	+1.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.51%	21.15%	+2.36%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.37%	20.89%	+4.48%

TECB vs. VOX - Expense Ratio Comparison

TECB has a 0.40% expense ratio, which is higher than VOX's 0.10% expense ratio.

Dividends

TECB vs. VOX - Dividend Comparison

TECB's dividend yield for the trailing twelve months is around 0.28%, less than VOX's 1.00% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TECB iShares U.S. Tech Breakthrough Multisector ETF	0.28%	0.33%	0.35%	0.23%	0.61%	0.35%	0.77%	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 TECB and VOX in my portfolio?

TECB and VOX have a correlation of 0.64, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TECB or VOX?

TECB has higher volatility (5.28%) compared to VOX (4.24%). In terms of maximum drawdown, TECB dropped -41.62% vs VOX's -57.18%.

Which ETF is better, TECB or VOX?

On 5-year performance, TECB leads with 14.60% vs 7.58% for VOX. On fees, VOX is cheaper at 0.10% per year. On volatility, VOX has been the lower-risk option at 4.24%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TECB or VOX?

Over the 5-year period, TECB has performed better with a 14.60% return vs 7.58%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TECB or VOX?

VOX is cheaper with a 0.10% expense ratio, compared with 0.40% for TECB.

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

VOX has the higher dividend yield at 1.00%, compared with 0.28% for TECB.

What is the main difference between TECB and VOX?

TECB tracks NYSE FactSet U.S. Tech Breakthrough Index, while VOX tracks MSCI US Investable Market Telecommunication Services 25/50 Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.40% for TECB and 0.10% for VOX.

Which has better risk-adjusted returns?

TECB currently has the higher Sharpe Ratio (2.03 vs 1.34), 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.