ROBO vs. DRNZ
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 0.53 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
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Returns By Period
In the year-to-date period, ROBO achieves a 29.33% return, which is significantly higher than DRNZ's 24.77% return.
ROBO
- 1D
- -0.77%
- 1M
- 10.56%
- YTD
- 29.33%
- 6M
- 30.40%
- 1Y
- 59.43%
- 3Y*
- 17.13%
- 5Y*
- 7.13%
- 10Y*
- 13.65%
DRNZ
- 1D
- -6.81%
- 1M
- 4.78%
- YTD
- 24.77%
- 6M
- 32.75%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
ROBO vs. DRNZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
ROBO ROBO Global Robotics & Automation Index ETF | 29.33% | -0.36% |
DRNZ REX Drone ETF | 24.77% | -10.89% |
Correlation
The correlation between ROBO and DRNZ is 0.53, 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 30, 2025 | 0.53 |
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Return for Risk
ROBO vs. DRNZ — Risk / Return Rank
ROBO
DRNZ
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.
| ROBO | DRNZ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.43 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 3.44 | — | — |
| Martin ratioReturn relative to average drawdown | 13.77 | — | — |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| ROBO | DRNZ | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.60 | — | — |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.30 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.59 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.50 | 0.39 | +0.11 |
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 -24.52%. Use the drawdown chart below to compare losses from any high point for ROBO and DRNZ.
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Drawdown Indicators
| ROBO | DRNZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.65% | -24.52% | -19.13% |
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 DrawdownCurrent decline from peak | -0.77% | -7.44% | +6.67% |
Average DrawdownAverage peak-to-trough decline | -12.93% | -11.12% | -1.81% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.33% | — | — |
Volatility
ROBO vs. DRNZ - Volatility Comparison
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Volatility by Period
| ROBO | DRNZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.64% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 18.06% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 23.01% | 50.82% | -27.81% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.63% | 50.82% | -27.19% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.16% | 50.82% | -27.66% |
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 0.33%, 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 | 0.33% | 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
ROBO and DRNZ have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
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.
DRNZ is cheaper with a 0.65% expense ratio, compared with 0.95% for ROBO.
ROBO has the higher dividend yield at 0.33%, compared with 0.00% for 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.
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