ROBO vs. DRNZ

Last updated Jul 17, 2026

ROBO (ROBO Global Robotics & Automation Index ETF) and DRNZ (REX Drone ETF) are both exchange-traded funds - ROBO is a Robotics fund tracking the ROBO Global Robotics and Automation TR Index, while DRNZ is a Aerospace & Defense fund tracking the VettaFi Drone Index. Both are passively managed. A 0.52 correlation means they provide meaningful diversification when combined. ROBO charges 0.95%/yr vs 0.65%/yr for DRNZ.

Performance

ROBO vs. DRNZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ROBO Global Robotics & Automation Index ETF (ROBO) and REX Drone ETF (DRNZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ROBO achieves a 14.54% return, which is significantly higher than DRNZ's -6.81% return.

ROBO

• 1D: -1.44%
• 1M: -5.63%
• 6M: 7.20%
• YTD: 14.54%
• 1Y: 31.30%
• 3Y*: 10.49%
• 5Y*: 4.76%
• 10Y*: 12.14%

DRNZ

• 1D: -3.48%
• 1M: -16.16%
• 6M: -29.28%
• YTD: -6.81%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ROBO vs. DRNZ - Yearly Performance Comparison

	2026 (YTD)	2025
ROBO ROBO Global Robotics & Automation Index ETF	14.54%	-0.10%
DRNZ REX Drone ETF	-6.81%	-12.91%

Correlation

The correlation between ROBO and DRNZ is 0.52, 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 Oct 29, 2025	0.52

Return for Risk

ROBO vs. DRNZ — Risk / Return Rank

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

ROBO

ROBO Risk / Return Rank: 42
ROBO Sharpe Ratio Rank: 40
ROBO Sortino Ratio Rank: 39
ROBO Omega Ratio Rank: 39
ROBO Calmar Ratio Rank: 43
ROBO Martin Ratio Rank: 46

DRNZ

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

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.

ROBO vs. DRNZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ROBO Global Robotics & Automation Index ETF (ROBO) and REX Drone ETF (DRNZ). 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.

	ROBO	DRNZ	Difference
Sharpe ratio: Return per unit of total volatility	1.21	—	—
Sortino ratio: Return per unit of downside risk	1.72	—	—
Omega ratio: Gain probability vs. loss probability	1.22	—	—
Calmar ratio: Return relative to maximum drawdown	1.81	—	—
Martin ratio: Return relative to average drawdown	6.12	—	—

Drawdowns

ROBO vs. DRNZ - Drawdown Comparison

The maximum ROBO drawdown since its inception was -43.65%, which is greater than DRNZ's maximum drawdown of -30.87%. Use the drawdown chart below to compare losses from any high point for ROBO and DRNZ.

Drawdown Indicators

	ROBO	DRNZ	Difference
Max Drawdown Largest peak-to-trough decline	-43.65%	-30.87%	-12.78%
Max Drawdown (1Y) Largest decline over 1 year	-17.35%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-27.92%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-43.65%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-43.65%	—	—
Current Drawdown Current decline from peak	-12.12%	-30.87%	+18.75%
Average Drawdown Average peak-to-trough decline	-12.88%	-13.35%	+0.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.13%	—	—

Volatility

Volatility by Period

	ROBO	DRNZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.25%	—	—
Volatility (6M) Calculated over the trailing 6-month period	21.98%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	26.09%	50.52%	-24.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.33%	50.52%	-26.19%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.40%	50.52%	-27.12%

ROBO vs. DRNZ - Expense Ratio Comparison

ROBO has a 0.95% expense ratio, which is higher than DRNZ's 0.65% expense ratio.

Dividends

ROBO vs. DRNZ - Dividend Comparison

ROBO's dividend yield for the trailing twelve months is around 0.37%, while DRNZ has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DRNZ REX Drone 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%
ROBO ROBO Global Robotics & Automation Index ETF	0.37%	0.42%	0.55%	0.05%	0.00%	0.18%	0.20%	0.37%	0.37%	0.02%	0.19%	0.28%

Frequently Asked Questions

Can I hold both ROBO and DRNZ in my portfolio?

ROBO and DRNZ have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ROBO or DRNZ?

On fees, DRNZ is cheaper at 0.65% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ROBO or DRNZ?

DRNZ is cheaper with a 0.65% expense ratio, compared with 0.95% for ROBO.

Which ETF pays a higher dividend yield, ROBO or DRNZ?

ROBO has the higher dividend yield at 0.37%, compared with 0.00% for DRNZ.

What is the main difference between ROBO and DRNZ?

ROBO is categorized as Robotics, while DRNZ is Aerospace & Defense. ROBO tracks ROBO Global Robotics and Automation TR Index, while DRNZ tracks VettaFi Drone Index. They also come from different issuers: Exchange Traded Concepts and REX. Their fees differ too: 0.95% for ROBO and 0.65% for DRNZ.