KDEF vs. WDGF

Last updated Jun 4, 2026

KDEF (PLUS Korea Defense Industry Index ETF) and WDGF (WisdomTree Global Defense Fund) are both Aerospace & Defense funds - KDEF tracks the The Korea Defence Industry Index while WDGF tracks the WisdomTree Global Defense Index. Both are passively managed. A 0.58 correlation means they provide meaningful diversification when combined. KDEF charges 0.65%/yr vs 0.45%/yr for WDGF.

Performance

KDEF vs. WDGF - Performance Comparison

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

Returns By Period

In the year-to-date period, KDEF achieves a 6.06% return, which is significantly higher than WDGF's 3.03% return.

KDEF

• 1D: -2.40%
• 1M: -26.87%
• YTD: 6.06%
• 6M: 18.05%
• 1Y: 40.06%
• 3Y*: —
• 5Y*: —
• 10Y*: —

WDGF

• 1D: -1.45%
• 1M: -3.36%
• YTD: 3.03%
• 6M: 8.65%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

KDEF vs. WDGF - Yearly Performance Comparison

	2026 (YTD)	2025
KDEF PLUS Korea Defense Industry Index ETF	6.06%	-5.14%
WDGF WisdomTree Global Defense Fund	3.03%	-0.25%

Correlation

The correlation between KDEF and WDGF is 0.58, 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 Sep 15, 2025	0.58

Return for Risk

KDEF vs. WDGF — Risk / Return Rank

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

KDEF

KDEF Risk / Return Rank: 26
KDEF Sharpe Ratio Rank: 25
KDEF Sortino Ratio Rank: 25
KDEF Omega Ratio Rank: 25
KDEF Calmar Ratio Rank: 28
KDEF Martin Ratio Rank: 29

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.

KDEF vs. WDGF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PLUS Korea Defense Industry Index ETF (KDEF) and WisdomTree Global Defense Fund (WDGF). 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.

	KDEF	WDGF	Difference
Sharpe ratio: Return per unit of total volatility	0.90	—	—
Sortino ratio: Return per unit of downside risk	1.42	—	—
Omega ratio: Gain probability vs. loss probability	1.17	—	—
Calmar ratio: Return relative to maximum drawdown	1.37	—	—
Martin ratio: Return relative to average drawdown	4.15	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	KDEF	WDGF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.90	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.90	0.17	+1.73

Drawdowns

KDEF vs. WDGF - Drawdown Comparison

The maximum KDEF drawdown since its inception was -29.45%, which is greater than WDGF's maximum drawdown of -14.36%. Use the drawdown chart below to compare losses from any high point for KDEF and WDGF.

Drawdown Indicators

	KDEF	WDGF	Difference
Max Drawdown Largest peak-to-trough decline	-29.45%	-14.36%	-15.09%
Max Drawdown (1Y) Largest decline over 1 year	-29.45%	—	—
Current Drawdown Current decline from peak	-29.45%	-12.77%	-16.68%
Average Drawdown Average peak-to-trough decline	-6.45%	-5.46%	-0.99%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.69%	—	—

Volatility

Volatility by Period

	KDEF	WDGF	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.76%	—	—
Volatility (6M) Calculated over the trailing 6-month period	36.50%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	44.63%	22.41%	+22.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	46.54%	22.41%	+24.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	46.54%	22.41%	+24.13%

KDEF vs. WDGF - Expense Ratio Comparison

KDEF has a 0.65% expense ratio, which is higher than WDGF's 0.45% expense ratio.

Dividends

KDEF vs. WDGF - Dividend Comparison

KDEF's dividend yield for the trailing twelve months is around 6.48%, more than WDGF's 0.05% yield.

Position	TTM	2025
KDEF PLUS Korea Defense Industry Index ETF	6.48%	5.06%
WDGF WisdomTree Global Defense Fund	0.05%	0.05%

Frequently Asked Questions

Can I hold both KDEF and WDGF in my portfolio?

KDEF and WDGF have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, KDEF or WDGF?

On fees, WDGF is cheaper at 0.45% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, KDEF or WDGF?

WDGF is cheaper with a 0.45% expense ratio, compared with 0.65% for KDEF.

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

KDEF has the higher dividend yield at 6.48%, compared with 0.05% for WDGF.

What is the main difference between KDEF and WDGF?

KDEF tracks The Korea Defence Industry Index, while WDGF tracks WisdomTree Global Defense Index. They also come from different issuers: PLUS and WisdomTree. Their fees differ too: 0.65% for KDEF and 0.45% for WDGF.