DFEN.DE vs. BRYN.DE
DFEN.DE (VanEck Defense UCITS ETF A) is Aerospace & Defense fund tracking the MarketVector Global Defense Industry Index, while BRYN.DE (Berkshire Hathaway Inc) is a stock. Over the past 3 years, DFEN.DE returned 37.43%/yr vs 10.70%/yr for BRYN.DE. At a 0.19 correlation, their price movements are largely independent.
Performance
DFEN.DE vs. BRYN.DE - Performance Comparison
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Returns By Period
In the year-to-date period, DFEN.DE achieves a 3.04% return, which is significantly higher than BRYN.DE's -0.87% return.
DFEN.DE
- 1D
- 0.60%
- 1M
- 2.28%
- YTD
- 3.04%
- 6M
- 4.46%
- 1Y
- 14.07%
- 3Y*
- 37.43%
- 5Y*
- —
- 10Y*
- —
BRYN.DE
- 1D
- 0.86%
- 1M
- 2.29%
- YTD
- -0.87%
- 6M
- -0.48%
- 1Y
- 0.19%
- 3Y*
- 10.70%
- 5Y*
- 12.22%
- 10Y*
- 12.90%
DFEN.DE vs. BRYN.DE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
DFEN.DE VanEck Defense UCITS ETF A | 3.04% | 50.76% | 51.97% | 22.65% |
BRYN.DE Berkshire Hathaway Inc | -0.87% | -2.32% | 34.74% | 14.93% |
Correlation
The correlation between DFEN.DE and BRYN.DE is -0.06, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.06 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.18 |
Correlation (All Time) Calculated using the full available price history since Apr 5, 2023 | 0.19 |
The correlation between DFEN.DE and BRYN.DE shifts across timeframes, from -0.06 (1 year) to 0.19 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
DFEN.DE vs. BRYN.DE — Risk / Return Rank
DFEN.DE
BRYN.DE
DFEN.DE vs. BRYN.DE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for VanEck Defense UCITS ETF A (DFEN.DE) and Berkshire Hathaway Inc (BRYN.DE). 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.
| DFEN.DE | BRYN.DE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.55 | ||
| Sortino ratioReturn per unit of downside risk | +0.84 | ||
| Omega ratioGain probability vs. loss probability | 1.11 | 1.01 | +0.10 |
| Calmar ratioReturn relative to maximum drawdown | 0.74 | 0.02 | +0.72 |
| Martin ratioReturn relative to average drawdown | 1.72 | 0.04 | +1.68 |
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Drawdowns
DFEN.DE vs. BRYN.DE - Drawdown Comparison
The maximum DFEN.DE drawdown since its inception was -18.88%, smaller than the maximum BRYN.DE drawdown of -98.01%. Use the drawdown chart below to compare losses from any high point for DFEN.DE and BRYN.DE.
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Drawdown Indicators
| DFEN.DE | BRYN.DE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.88% | -98.01% | +79.13% |
Max Drawdown (1Y)Largest decline over 1 year | -18.88% | -10.57% | -8.31% |
Max Drawdown (3Y)Largest decline over 3 years | -18.88% | -19.97% | +1.09% |
Max Drawdown (5Y)Largest decline over 5 years | — | -22.34% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -28.72% | — |
Current DrawdownCurrent decline from peak | -16.01% | -82.31% | +66.30% |
Average DrawdownAverage peak-to-trough decline | -3.25% | -83.07% | +79.82% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.15% | 5.16% | +2.99% |
Volatility
DFEN.DE vs. BRYN.DE - Volatility Comparison
VanEck Defense UCITS ETF A (DFEN.DE) has a higher volatility of 7.34% compared to Berkshire Hathaway Inc (BRYN.DE) at 5.11%. This indicates that DFEN.DE's price experiences larger fluctuations and is considered to be riskier than BRYN.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DFEN.DE | BRYN.DE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.34% | 5.11% | +2.23% |
Volatility (6M)Calculated over the trailing 6-month period | 19.34% | 11.10% | +8.24% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.01% | 15.27% | +9.74% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.22% | 17.29% | +3.93% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.22% | 18.71% | +2.51% |
Dividends
DFEN.DE vs. BRYN.DE - Dividend Comparison
Neither DFEN.DE nor BRYN.DE has paid dividends to shareholders.
Frequently Asked Questions
DFEN.DE and BRYN.DE have a correlation of -0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
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