BUG vs. TAN

Last updated Jun 4, 2026

BUG (Global X Cybersecurity ETF) and TAN (Invesco Solar ETF) are both exchange-traded funds - BUG is a Technology Equities fund tracking the Indxx Cybersecurity Index, while TAN is a Alternative Energy Equities fund tracking the MAC Global Solar Energy Index. Both are passively managed. Over the past 5 years, BUG returned 6.86%/yr vs -1.65%/yr for TAN. At a 0.47 correlation, their price movements are largely independent. BUG charges 0.50%/yr vs 0.69%/yr for TAN.

Performance

BUG vs. TAN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Global X Cybersecurity ETF (BUG) and Invesco Solar ETF (TAN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BUG achieves a 20.72% return, which is significantly lower than TAN's 43.10% return.

BUG

• 1D: -4.04%
• 1M: 33.08%
• YTD: 20.72%
• 6M: 15.17%
• 1Y: 2.89%
• 3Y*: 15.82%
• 5Y*: 6.86%
• 10Y*: —

TAN

• 1D: -2.74%
• 1M: 20.40%
• YTD: 43.10%
• 6M: 48.35%
• 1Y: 112.42%
• 3Y*: -0.64%
• 5Y*: -1.65%
• 10Y*: 13.50%

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

BUG vs. TAN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
BUG Global X Cybersecurity ETF	20.72%	-5.04%	9.59%	41.40%	-33.63%	13.24%	70.83%	6.55%
TAN Invesco Solar ETF	43.10%	48.31%	-37.61%	-26.79%	-5.24%	-25.10%	233.96%	9.97%

Correlation

The correlation between BUG and TAN is 0.24, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.24
Correlation (3Y) Calculated over the trailing 3-year period	0.35
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (All Time) Calculated using the full available price history since Nov 1, 2019	0.47

Over the past year, the correlation between BUG and TAN has dropped to 0.24 - well below their long-term average of 0.47, suggesting their price drivers have been diverging.

BUG vs. TAN - Sectors Allocation Comparison

Sectors	BUG	TAN
Technology	99.9%	9.7%
Communication Services	0.0%	-
Consumer Cyclical	0.0%	-
Consumer Defensive	0.0%	-
Healthcare	0.0%	-
Basic Materials	-	-
Energy	-	57.3%
Financial Services	-	3.6%
Industrials	-	3.3%
Real Estate	-	-
Utilities	-	22.1%

Return for Risk

BUG vs. TAN — Risk / Return Rank

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

BUG

BUG Risk / Return Rank: 10
BUG Sharpe Ratio Rank: 10
BUG Sortino Ratio Rank: 10
BUG Omega Ratio Rank: 10
BUG Calmar Ratio Rank: 9
BUG Martin Ratio Rank: 9

TAN

TAN Risk / Return Rank: 85
TAN Sharpe Ratio Rank: 88
TAN Sortino Ratio Rank: 79
TAN Omega Ratio Rank: 72
TAN Calmar Ratio Rank: 95
TAN Martin Ratio Rank: 89

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.

BUG vs. TAN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X Cybersecurity ETF (BUG) and Invesco Solar ETF (TAN). 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.

	BUG	TAN	Difference
Sharpe ratio: Return per unit of total volatility	0.09	3.05	-2.95
Sortino ratio: Return per unit of downside risk	0.34	3.62	-3.28
Omega ratio: Gain probability vs. loss probability	1.04	1.44	-0.39
Calmar ratio: Return relative to maximum drawdown	0.08	8.30	-8.22
Martin ratio: Return relative to average drawdown	0.16	20.09	-19.93
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BUG vs. TAN - Sharpe Ratio Comparison

The current BUG Sharpe Ratio is 0.09, which is lower than the TAN Sharpe Ratio of 3.05. The chart below compares the historical Sharpe Ratios of BUG and TAN, 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

	BUG	TAN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.09	3.05	-2.95
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.24	-0.04	+0.28
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.36	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.49	-0.12	+0.62

Drawdowns

BUG vs. TAN - Drawdown Comparison

The maximum BUG drawdown since its inception was -41.66%, smaller than the maximum TAN drawdown of -95.29%. Use the drawdown chart below to compare losses from any high point for BUG and TAN.

Drawdown Indicators

	BUG	TAN	Difference
Max Drawdown Largest peak-to-trough decline	-41.66%	-95.29%	+53.63%
Max Drawdown (1Y) Largest decline over 1 year	-37.69%	-13.62%	-24.07%
Max Drawdown (3Y) Largest decline over 3 years	-37.69%	-64.40%	+26.71%
Max Drawdown (5Y) Largest decline over 5 years	-41.66%	-73.95%	+32.29%
Max Drawdown (10Y) Largest decline over 10 years	—	-78.53%	—
Current Drawdown Current decline from peak	-4.62%	-67.72%	+63.10%
Average Drawdown Average peak-to-trough decline	-14.42%	-78.51%	+64.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	18.36%	5.62%	+12.74%

Volatility

BUG vs. TAN - Volatility Comparison

Global X Cybersecurity ETF (BUG) has a higher volatility of 14.07% compared to Invesco Solar ETF (TAN) at 12.15%. This indicates that BUG's price experiences larger fluctuations and is considered to be riskier than TAN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BUG	TAN	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.07%	12.15%	+1.92%
Volatility (6M) Calculated over the trailing 6-month period	25.81%	25.32%	+0.49%
Volatility (1Y) Calculated over the trailing 1-year period	30.78%	37.29%	-6.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.47%	39.74%	-11.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.33%	37.98%	-8.65%

BUG vs. TAN - Expense Ratio Comparison

BUG has a 0.50% expense ratio, which is lower than TAN's 0.69% expense ratio.

Dividends

BUG vs. TAN - Dividend Comparison

BUG's dividend yield for the trailing twelve months is around 0.03%, while TAN has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BUG Global X Cybersecurity ETF	0.03%	0.04%	0.09%	0.10%	1.56%	0.66%	0.46%	0.24%	0.00%	0.00%	0.00%	0.00%
TAN Invesco Solar ETF	0.00%	0.00%	0.50%	0.09%	0.00%	0.00%	0.09%	0.30%	0.69%	1.77%	5.04%	1.60%

Frequently Asked Questions

Can I hold both BUG and TAN in my portfolio?

BUG and TAN have a correlation of 0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BUG or TAN?

BUG has higher volatility (14.07%) compared to TAN (12.15%). In terms of maximum drawdown, BUG dropped -41.66% vs TAN's -95.29%.

Which ETF is better, BUG or TAN?

On 5-year performance, BUG leads with 6.86% vs -1.65% for TAN. On fees, BUG is cheaper at 0.50% per year. On volatility, TAN has been the lower-risk option at 12.15%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BUG or TAN?

Over the 5-year period, BUG has performed better with a 6.86% return vs -1.65%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BUG or TAN?

BUG is cheaper with a 0.50% expense ratio, compared with 0.69% for TAN.

Which ETF pays a higher dividend yield, BUG or TAN?

BUG has the higher dividend yield at 0.03%, compared with 0.00% for TAN.

What is the main difference between BUG and TAN?

BUG is categorized as Technology Equities, while TAN is Alternative Energy Equities. BUG tracks Indxx Cybersecurity Index, while TAN tracks MAC Global Solar Energy Index. They also come from different issuers: Global X and Invesco. Their fees differ too: 0.50% for BUG and 0.69% for TAN.

Which has better risk-adjusted returns?

TAN currently has the higher Sharpe Ratio (3.05 vs 0.09), 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.