XDUK.L vs. CUKX.L
XDUK.L (Xtrackers FTSE 100 UCITS ETF 1C) and CUKX.L (iShares FTSE 100 UCITS ETF) are both exchange-traded funds - XDUK.L is a Europe Equities fund tracking the FTSE AllSh TR GBP, while CUKX.L is a fund fund tracking the FTSE 100 Index. Both are passively managed. Over the past 10 years, XDUK.L returned 9.01%/yr vs 9.06%/yr for CUKX.L. With a 0.96 correlation, they move nearly in lockstep. XDUK.L charges 0.09%/yr vs 0.07%/yr for CUKX.L.
Performance
XDUK.L vs. CUKX.L - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with XDUK.L having a 5.82% return and CUKX.L slightly higher at 5.86%. Both investments have delivered pretty close results over the past 10 years, with XDUK.L having a 9.01% annualized return and CUKX.L not far ahead at 9.06%.
XDUK.L
- 1D
- 0.13%
- 1M
- 1.76%
- YTD
- 5.82%
- 6M
- 8.12%
- 1Y
- 20.73%
- 3Y*
- 14.75%
- 5Y*
- 11.68%
- 10Y*
- 9.01%
CUKX.L
- 1D
- 0.28%
- 1M
- 1.51%
- YTD
- 5.86%
- 6M
- 8.05%
- 1Y
- 21.53%
- 3Y*
- 14.63%
- 5Y*
- 11.72%
- 10Y*
- 9.06%
XDUK.L vs. CUKX.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
XDUK.L Xtrackers FTSE 100 UCITS ETF 1C | 5.82% | 25.82% | 9.40% | 7.51% | 4.63% | 17.70% | -11.21% | 17.28% | -9.34% | 12.34% |
CUKX.L iShares FTSE 100 UCITS ETF | 5.86% | 25.78% | 9.30% | 7.72% | 4.97% | 17.48% | -11.28% | 17.23% | -9.05% | 12.45% |
Correlation
The correlation between XDUK.L and CUKX.L is 0.97 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.97 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.98 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.98 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.98 |
Correlation (All Time) Calculated using the full available price history since Jan 7, 2013 | 0.96 |
The correlation between XDUK.L and CUKX.L has been stable across timeframes, ranging from 0.96 to 0.98 - a consistent structural relationship.
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Return for Risk
XDUK.L vs. CUKX.L — Risk / Return Rank
XDUK.L
CUKX.L
XDUK.L vs. CUKX.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Xtrackers FTSE 100 UCITS ETF 1C (XDUK.L) and iShares FTSE 100 UCITS ETF (CUKX.L). 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.
| XDUK.L | CUKX.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.10 | ||
| Sortino ratioReturn per unit of downside risk | -0.15 | ||
| Omega ratioGain probability vs. loss probability | 1.35 | 1.37 | -0.02 |
| Calmar ratioReturn relative to maximum drawdown | 2.24 | 2.41 | -0.17 |
| Martin ratioReturn relative to average drawdown | 7.78 | 8.21 | -0.42 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| XDUK.L | CUKX.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.87 | 1.97 | -0.10 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.91 | 0.92 | -0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.60 | 0.60 | 0.00 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.53 | 0.53 | 0.00 |
Drawdowns
XDUK.L vs. CUKX.L - Drawdown Comparison
The maximum XDUK.L drawdown since its inception was -34.28%, roughly equal to the maximum CUKX.L drawdown of -34.50%. Use the drawdown chart below to compare losses from any high point for XDUK.L and CUKX.L.
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Drawdown Indicators
| XDUK.L | CUKX.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.28% | -34.50% | +0.22% |
Max Drawdown (1Y)Largest decline over 1 year | -9.20% | -8.89% | -0.31% |
Max Drawdown (3Y)Largest decline over 3 years | -12.84% | -12.88% | +0.04% |
Max Drawdown (5Y)Largest decline over 5 years | -12.84% | -12.88% | +0.04% |
Max Drawdown (10Y)Largest decline over 10 years | -34.28% | -34.50% | +0.22% |
Current DrawdownCurrent decline from peak | -4.10% | -4.15% | +0.05% |
Average DrawdownAverage peak-to-trough decline | -4.51% | -4.40% | -0.11% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.66% | 2.62% | +0.04% |
Volatility
XDUK.L vs. CUKX.L - Volatility Comparison
Xtrackers FTSE 100 UCITS ETF 1C (XDUK.L) and iShares FTSE 100 UCITS ETF (CUKX.L) have volatilities of 4.04% and 4.08%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| XDUK.L | CUKX.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.04% | 4.08% | -0.04% |
Volatility (6M)Calculated over the trailing 6-month period | 9.64% | 9.48% | +0.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.01% | 10.87% | +0.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 12.78% | 12.71% | +0.07% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 15.11% | 15.08% | +0.03% |
XDUK.L vs. CUKX.L - Expense Ratio Comparison
XDUK.L has a 0.09% expense ratio, which is higher than CUKX.L's 0.07% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
XDUK.L vs. CUKX.L - Dividend Comparison
Neither XDUK.L nor CUKX.L has paid dividends to shareholders.
Frequently Asked Questions
With a correlation of 0.97, XDUK.L and CUKX.L move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
On fees, CUKX.L is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.
CUKX.L is cheaper with a 0.07% expense ratio, compared with 0.09% for XDUK.L.
XDUK.L tracks FTSE AllSh TR GBP, while CUKX.L tracks FTSE 100 Index. They also come from different issuers: Xtrackers and iShares. Their fees differ too: 0.09% for XDUK.L and 0.07% for CUKX.L.
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