SPAM vs. VOX
Compare and contrast key facts about Themes Cybersecurity ETF (SPAM) and Vanguard Communication Services ETF (VOX).
SPAM and VOX are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. SPAM is a passively managed fund by Themes that tracks the performance of the Solactive Cyber Security Index - Benchmark TR Net. It was launched on Dec 7, 2023. VOX is a passively managed fund by Vanguard that tracks the performance of the MSCI US Investable Market Telecommunication Services 25/50 Index. It was launched on Sep 23, 2004. Both SPAM and VOX are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
SPAM vs. VOX - Performance Comparison
Loading graphics...
SPAM vs. VOX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
SPAM Themes Cybersecurity ETF | -5.88% | 4.86% | 10.58% | 5.42% |
VOX Vanguard Communication Services ETF | -6.90% | 26.27% | 33.12% | 4.05% |
Returns By Period
In the year-to-date period, SPAM achieves a -5.88% return, which is significantly higher than VOX's -6.90% return.
SPAM
- 1D
- 3.78%
- 1M
- 0.69%
- YTD
- -5.88%
- 6M
- -17.32%
- 1Y
- 1.94%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
VOX
- 1D
- 3.50%
- 1M
- -6.17%
- YTD
- -6.90%
- 6M
- -3.66%
- 1Y
- 22.45%
- 3Y*
- 24.33%
- 5Y*
- 7.40%
- 10Y*
- 8.41%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
SPAM vs. VOX - Expense Ratio Comparison
SPAM has a 0.35% expense ratio, which is higher than VOX's 0.10% expense ratio.
Return for Risk
SPAM vs. VOX — Risk / Return Rank
SPAM
VOX
SPAM vs. VOX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Themes Cybersecurity ETF (SPAM) 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.
| SPAM | VOX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.07 | 1.11 | -1.04 |
Sortino ratioReturn per unit of downside risk | 0.29 | 1.72 | -1.43 |
Omega ratioGain probability vs. loss probability | 1.04 | 1.23 | -0.20 |
Calmar ratioReturn relative to maximum drawdown | 0.01 | 1.67 | -1.67 |
Martin ratioReturn relative to average drawdown | 0.02 | 6.24 | -6.22 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| SPAM | VOX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.07 | 1.11 | -1.04 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.35 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.40 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.27 | 0.42 | -0.15 |
Correlation
The correlation between SPAM and VOX is 0.57, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
SPAM vs. VOX - Dividend Comparison
SPAM's dividend yield for the trailing twelve months is around 0.52%, less than VOX's 1.05% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPAM Themes Cybersecurity ETF | 0.52% | 0.49% | 0.13% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VOX Vanguard Communication Services ETF | 1.05% | 0.95% | 1.05% | 1.03% | 0.88% | 0.93% | 0.73% | 0.90% | 2.77% | 3.83% | 2.67% | 3.55% |
Drawdowns
SPAM vs. VOX - Drawdown Comparison
The maximum SPAM drawdown since its inception was -24.02%, smaller than the maximum VOX drawdown of -57.18%. Use the drawdown chart below to compare losses from any high point for SPAM and VOX.
Loading graphics...
Drawdown Indicators
| SPAM | VOX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -24.02% | -57.18% | +33.16% |
Max Drawdown (1Y)Largest decline over 1 year | -24.02% | -13.56% | -10.46% |
Max Drawdown (5Y)Largest decline over 5 years | — | -46.76% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -46.76% | — |
Current DrawdownCurrent decline from peak | -20.11% | -10.03% | -10.08% |
Average DrawdownAverage peak-to-trough decline | -6.37% | -11.99% | +5.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.78% | 3.64% | +6.14% |
Volatility
SPAM vs. VOX - Volatility Comparison
Themes Cybersecurity ETF (SPAM) has a higher volatility of 8.04% compared to Vanguard Communication Services ETF (VOX) at 6.40%. This indicates that SPAM'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.
Loading graphics...
Volatility by Period
| SPAM | VOX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.04% | 6.40% | +1.64% |
Volatility (6M)Calculated over the trailing 6-month period | 19.15% | 11.80% | +7.35% |
Volatility (1Y)Calculated over the trailing 1-year period | 26.80% | 20.34% | +6.46% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.51% | 21.19% | +2.32% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.51% | 20.87% | +2.64% |