BRK-B vs. XNKY.DE
BRK-B (Berkshire Hathaway Inc.) is a stock, while XNKY.DE (Xtrackers Nikkei 225 UCITS ETF) is Japan Equities fund tracking the Nikkei 225®. Over the past 5 years, BRK-B returned 11.27%/yr vs 11.38%/yr for XNKY.DE. At a 0.25 correlation, their price movements are largely independent.
Performance
BRK-B vs. XNKY.DE - Performance Comparison
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Different Trading Currencies
BRK-B is traded in USD, while XNKY.DE is traded in EUR. To make them comparable, the XNKY.DE values have been converted to USD using the latest available exchange rates.
Returns By Period
In the year-to-date period, BRK-B achieves a -2.67% return, which is significantly lower than XNKY.DE's 30.80% return.
BRK-B
- 1D
- 0.71%
- 1M
- 0.77%
- YTD
- -2.67%
- 6M
- -2.06%
- 1Y
- -0.22%
- 3Y*
- 13.30%
- 5Y*
- 11.27%
- 10Y*
- 13.22%
XNKY.DE
- 1D
- -1.33%
- 1M
- 5.14%
- YTD
- 30.80%
- 6M
- 32.37%
- 1Y
- 60.28%
- 3Y*
- 24.12%
- 5Y*
- 11.38%
- 10Y*
- —
BRK-B vs. XNKY.DE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
BRK-B Berkshire Hathaway Inc. | -2.67% | 10.89% | 27.09% | 15.46% | 3.31% | 28.95% | 14.84% |
XNKY.DE Xtrackers Nikkei 225 UCITS ETF | 30.80% | 31.13% | 7.80% | 21.76% | -20.02% | -4.98% | 19.91% |
Correlation
The correlation between BRK-B and XNKY.DE is 0.05, 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 | 0.05 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.13 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.24 |
Correlation (All Time) Calculated using the full available price history since Nov 2, 2020 | 0.25 |
Over the past year, the correlation between BRK-B and XNKY.DE has dropped to 0.05 - well below their long-term average of 0.25, suggesting their price drivers have been diverging.
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Return for Risk
BRK-B vs. XNKY.DE — Risk / Return Rank
BRK-B
XNKY.DE
BRK-B vs. XNKY.DE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Berkshire Hathaway Inc. (BRK-B) and Xtrackers Nikkei 225 UCITS ETF (XNKY.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.
| BRK-B | XNKY.DE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.51 | ||
| Sortino ratioReturn per unit of downside risk | -3.45 | ||
| Omega ratioGain probability vs. loss probability | 1.01 | 1.42 | -0.41 |
| Calmar ratioReturn relative to maximum drawdown | -0.02 | 4.10 | -4.13 |
| Martin ratioReturn relative to average drawdown | -0.05 | 13.45 | -13.50 |
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Drawdowns
BRK-B vs. XNKY.DE - Drawdown Comparison
The maximum BRK-B drawdown since its inception was -53.86%, which is greater than XNKY.DE's maximum drawdown of -35.76%. Use the drawdown chart below to compare losses from any high point for BRK-B and XNKY.DE.
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Drawdown Indicators
| BRK-B | XNKY.DE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.86% | -35.76% | -18.10% |
Max Drawdown (1Y)Largest decline over 1 year | -9.42% | -15.19% | +5.77% |
Max Drawdown (3Y)Largest decline over 3 years | -14.95% | -18.89% | +3.94% |
Max Drawdown (5Y)Largest decline over 5 years | -26.58% | -33.88% | +7.30% |
Max Drawdown (10Y)Largest decline over 10 years | -29.57% | — | — |
Current DrawdownCurrent decline from peak | -9.36% | -1.33% | -8.03% |
Average DrawdownAverage peak-to-trough decline | -11.07% | -12.30% | +1.23% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.53% | 4.64% | -0.11% |
Volatility
BRK-B vs. XNKY.DE - Volatility Comparison
The current volatility for Berkshire Hathaway Inc. (BRK-B) is 3.95%, while Xtrackers Nikkei 225 UCITS ETF (XNKY.DE) has a volatility of 6.98%. This indicates that BRK-B experiences smaller price fluctuations and is considered to be less risky than XNKY.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BRK-B | XNKY.DE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.95% | 6.98% | -3.03% |
Volatility (6M)Calculated over the trailing 6-month period | 10.78% | 19.80% | -9.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.38% | 25.01% | -10.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.12% | 20.03% | -2.91% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.44% | 19.90% | -0.46% |
Dividends
BRK-B vs. XNKY.DE - Dividend Comparison
Neither BRK-B nor XNKY.DE has paid dividends to shareholders.
Frequently Asked Questions
BRK-B and XNKY.DE have a correlation of 0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
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