IDEF vs. WDAF
IDEF (iShares Defense Industrials Active ETF) and WDAF (WisdomTree Asia Defense Fund) are both Aerospace & Defense funds. IDEF is actively managed, while WDAF is passively managed. A 0.61 correlation means they provide meaningful diversification when combined. IDEF charges 0.55%/yr vs 0.45%/yr for WDAF.
Performance
IDEF vs. WDAF - Performance Comparison
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Returns By Period
In the year-to-date period, IDEF achieves a 2.45% return, which is significantly lower than WDAF's 10.54% return.
IDEF
- 1D
- -0.60%
- 1M
- -3.83%
- YTD
- 2.45%
- 6M
- 0.08%
- 1Y
- 16.11%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
WDAF
- 1D
- -5.17%
- 1M
- -7.02%
- YTD
- 10.54%
- 6M
- 9.61%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IDEF vs. WDAF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IDEF iShares Defense Industrials Active ETF | 2.45% | 2.02% |
WDAF WisdomTree Asia Defense Fund | 10.54% | -7.71% |
Correlation
The correlation between IDEF and WDAF is 0.61, 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 12, 2025 | 0.61 |
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Return for Risk
IDEF vs. WDAF — Risk / Return Rank
IDEF
WDAF
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
IDEF vs. WDAF - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Defense Industrials Active ETF (IDEF) and WisdomTree Asia Defense Fund (WDAF). 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.
| IDEF | WDAF | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.14 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 1.09 | — | — |
| Martin ratioReturn relative to average drawdown | 2.57 | — | — |
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Drawdowns
IDEF vs. WDAF - Drawdown Comparison
The maximum IDEF drawdown since its inception was -14.78%, smaller than the maximum WDAF drawdown of -20.11%. Use the drawdown chart below to compare losses from any high point for IDEF and WDAF.
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Drawdown Indicators
| IDEF | WDAF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.78% | -20.11% | +5.33% |
Max Drawdown (1Y)Largest decline over 1 year | -14.78% | — | — |
Current DrawdownCurrent decline from peak | -14.23% | -17.04% | +2.81% |
Average DrawdownAverage peak-to-trough decline | -4.30% | -6.70% | +2.40% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.28% | — | — |
Volatility
IDEF vs. WDAF - Volatility Comparison
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Volatility by Period
| IDEF | WDAF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.84% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 18.93% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 22.10% | 32.59% | -10.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.57% | 32.59% | -11.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.57% | 32.59% | -11.02% |
IDEF vs. WDAF - Expense Ratio Comparison
IDEF has a 0.55% expense ratio, which is higher than WDAF's 0.45% expense ratio.
Dividends
IDEF vs. WDAF - Dividend Comparison
IDEF's dividend yield for the trailing twelve months is around 0.34%, more than WDAF's 0.12% yield.
| Position | TTM | 2025 |
|---|---|---|
IDEF iShares Defense Industrials Active ETF | 0.34% | 0.17% |
WDAF WisdomTree Asia Defense Fund | 0.12% | 0.13% |
Frequently Asked Questions
IDEF and WDAF have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, WDAF is cheaper at 0.45% per year. The better choice depends on whether you care most about return, fees, risk, or income.
WDAF is cheaper with a 0.45% expense ratio, compared with 0.55% for IDEF.
IDEF has the higher dividend yield at 0.34%, compared with 0.12% for WDAF.
They also come from different issuers: iShares and WisdomTree. Their fees differ too: 0.55% for IDEF and 0.45% for WDAF.
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