CTEK.L vs. WNDY.L
CTEK.L (Global X CleanTech UCITS ETF USD (Acc)) and WNDY.L (Global X Wind Energy UCITS ETF USD (Acc)) are both exchange-traded funds - CTEK.L is a Alternative Energy Equities fund tracking the Indxx Global CleanTech v2 Index, while WNDY.L is a Global Equities fund tracking the Solactive Wind Energy v2 Index. Both are passively managed. Over the past 3 years, CTEK.L returned -7.53%/yr vs -1.62%/yr for WNDY.L. A 0.66 correlation means they provide meaningful diversification when combined. Both charge a 0.50% expense ratio.
Performance
CTEK.L vs. WNDY.L - Performance Comparison
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Returns By Period
In the year-to-date period, CTEK.L achieves a 6.99% return, which is significantly higher than WNDY.L's 0.09% return.
CTEK.L
- 1D
- -1.98%
- 1M
- -17.77%
- 6M
- -5.18%
- YTD
- 6.99%
- 1Y
- 39.87%
- 3Y*
- -7.53%
- 5Y*
- —
- 10Y*
- —
WNDY.L
- 1D
- -0.62%
- 1M
- -10.14%
- 6M
- -7.15%
- YTD
- 0.09%
- 1Y
- 16.74%
- 3Y*
- -1.62%
- 5Y*
- —
- 10Y*
- —
CTEK.L vs. WNDY.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
CTEK.L Global X CleanTech UCITS ETF USD (Acc) | 6.99% | 53.41% | -33.55% | -21.76% | 1.86% |
WNDY.L Global X Wind Energy UCITS ETF USD (Acc) | 0.09% | 32.58% | -20.21% | -19.30% | -12.05% |
Correlation
The correlation between CTEK.L and WNDY.L 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 (1Y) Calculated over the trailing 1-year period | 0.61 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.65 |
Correlation (All Time) Calculated using the full available price history since Feb 8, 2022 | 0.66 |
The correlation between CTEK.L and WNDY.L has been stable across timeframes, ranging from 0.61 to 0.66 - a consistent structural relationship.
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Return for Risk
CTEK.L vs. WNDY.L — Risk / Return Rank
CTEK.L
WNDY.L
CTEK.L vs. WNDY.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Global X CleanTech UCITS ETF USD (Acc) (CTEK.L) and Global X Wind Energy UCITS ETF USD (Acc) (WNDY.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.
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.
| CTEK.L | WNDY.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.29 | ||
| Sortino ratioReturn per unit of downside risk | +0.44 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 1.14 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 1.37 | 0.74 | +0.63 |
| Martin ratioReturn relative to average drawdown | 4.17 | 2.49 | +1.68 |
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Drawdowns
CTEK.L vs. WNDY.L - Drawdown Comparison
The maximum CTEK.L drawdown since its inception was -73.85%, which is greater than WNDY.L's maximum drawdown of -52.51%. Use the drawdown chart below to compare losses from any high point for CTEK.L and WNDY.L.
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Drawdown Indicators
| CTEK.L | WNDY.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -73.85% | -52.51% | -21.34% |
Max Drawdown (1Y)Largest decline over 1 year | -28.89% | -22.39% | -6.50% |
Max Drawdown (3Y)Largest decline over 3 years | -63.73% | -35.99% | -27.74% |
Current DrawdownCurrent decline from peak | -43.11% | -29.90% | -13.21% |
Average DrawdownAverage peak-to-trough decline | -44.62% | -30.23% | -14.39% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.54% | 6.72% | +2.82% |
Volatility
CTEK.L vs. WNDY.L - Volatility Comparison
Global X CleanTech UCITS ETF USD (Acc) (CTEK.L) has a higher volatility of 13.53% compared to Global X Wind Energy UCITS ETF USD (Acc) (WNDY.L) at 8.14%. This indicates that CTEK.L's price experiences larger fluctuations and is considered to be riskier than WNDY.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CTEK.L | WNDY.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.53% | 8.14% | +5.39% |
Volatility (6M)Calculated over the trailing 6-month period | 28.76% | 17.06% | +11.70% |
Volatility (1Y)Calculated over the trailing 1-year period | 38.62% | 22.41% | +16.21% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 36.97% | 23.08% | +13.89% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 36.97% | 23.08% | +13.89% |
CTEK.L vs. WNDY.L - Expense Ratio Comparison
Both CTEK.L and WNDY.L have an expense ratio of 0.50%.
Dividends
CTEK.L vs. WNDY.L - Dividend Comparison
Neither CTEK.L nor WNDY.L has paid dividends to shareholders.
Frequently Asked Questions
CTEK.L and WNDY.L 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.
Both ETFs have the same 0.50% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
CTEK.L and WNDY.L have the same expense ratio: 0.50% per year.
CTEK.L is categorized as Alternative Energy Equities, while WNDY.L is Global Equities. CTEK.L tracks Indxx Global CleanTech v2 Index, while WNDY.L tracks Solactive Wind Energy v2 Index.
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