DRNZ vs. KDEF

Last updated Jun 25, 2026

DRNZ (REX Drone ETF) and KDEF (PLUS Korea Defense Industry Index ETF) are both Aerospace & Defense funds - DRNZ tracks the VettaFi Drone Index while KDEF tracks the The Korea Defence Industry Index. Both are passively managed. At a 0.40 correlation, their price movements are largely independent. Both charge a 0.65% expense ratio.

Performance

DRNZ vs. KDEF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in REX Drone ETF (DRNZ) and PLUS Korea Defense Industry Index ETF (KDEF). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DRNZ achieves a -1.62% return, which is significantly higher than KDEF's -1.84% return.

DRNZ

• 1D: -3.30%
• 1M: -12.50%
• YTD: -1.62%
• 6M: -4.89%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

KDEF

• 1D: 1.07%
• 1M: -19.89%
• YTD: -1.84%
• 6M: -1.27%
• 1Y: 7.14%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

DRNZ vs. KDEF - Yearly Performance Comparison

	2026 (YTD)	2025
DRNZ REX Drone ETF	-1.62%	-12.91%
KDEF PLUS Korea Defense Industry Index ETF	-1.84%	-4.69%

Correlation

The correlation between DRNZ and KDEF is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 29, 2025	0.40

Return for Risk

DRNZ vs. KDEF — Risk / Return Rank

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

DRNZ

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

KDEF

KDEF Risk / Return Rank: 12
KDEF Sharpe Ratio Rank: 11
KDEF Sortino Ratio Rank: 13
KDEF Omega Ratio Rank: 12
KDEF Calmar Ratio Rank: 11
KDEF Martin Ratio Rank: 12

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.

DRNZ vs. KDEF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX Drone ETF (DRNZ) and PLUS Korea Defense Industry Index ETF (KDEF). 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.

	DRNZ	KDEF	Difference
Sharpe ratio: Return per unit of total volatility	—	0.15	—
Sortino ratio: Return per unit of downside risk	—	0.54	—
Omega ratio: Gain probability vs. loss probability	—	1.06	—
Calmar ratio: Return relative to maximum drawdown	—	0.20	—
Martin ratio: Return relative to average drawdown	—	0.60	—

Drawdowns

DRNZ vs. KDEF - Drawdown Comparison

The maximum DRNZ drawdown since its inception was -27.02%, smaller than the maximum KDEF drawdown of -35.55%. Use the drawdown chart below to compare losses from any high point for DRNZ and KDEF.

Drawdown Indicators

	DRNZ	KDEF	Difference
Max Drawdown Largest peak-to-trough decline	-27.02%	-35.55%	+8.53%
Max Drawdown (1Y) Largest decline over 1 year	—	-35.55%	—
Current Drawdown Current decline from peak	-27.02%	-34.70%	+7.68%
Average Drawdown Average peak-to-trough decline	-12.14%	-7.38%	-4.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	12.00%	—

Volatility

Volatility by Period

	DRNZ	KDEF	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	21.22%	—
Volatility (6M) Calculated over the trailing 6-month period	—	40.04%	—
Volatility (1Y) Calculated over the trailing 1-year period	51.18%	47.46%	+3.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	51.18%	48.26%	+2.92%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	51.18%	48.26%	+2.92%

DRNZ vs. KDEF - Expense Ratio Comparison

Both DRNZ and KDEF have an expense ratio of 0.65%.

Dividends

DRNZ vs. KDEF - Dividend Comparison

DRNZ has not paid dividends to shareholders, while KDEF's dividend yield for the trailing twelve months is around 7.00%.

Position	TTM	2025
DRNZ REX Drone ETF	0.00%	0.00%
KDEF PLUS Korea Defense Industry Index ETF	7.00%	5.06%

Frequently Asked Questions

Can I hold both DRNZ and KDEF in my portfolio?

DRNZ and KDEF have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, DRNZ or KDEF?

Both ETFs have the same 0.65% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, DRNZ or KDEF?

DRNZ and KDEF have the same expense ratio: 0.65% per year.

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

KDEF has the higher dividend yield at 7.00%, compared with 0.00% for DRNZ.

What is the main difference between DRNZ and KDEF?

DRNZ tracks VettaFi Drone Index, while KDEF tracks The Korea Defence Industry Index. They also come from different issuers: REX and PLUS.