SP20.AS vs. ^NDX
SP20.AS (iShares S&P 500 Top 20 UCITS ETF USD Acc) is S&P 500 fund tracking the S&P 500 Top 20 Select 35/20 Capped Index, while ^NDX (NASDAQ 100 Index) is an index. Over the past year, SP20.AS returned 32.46% vs 37.64% for ^NDX. A 0.54 correlation means they provide meaningful diversification when combined.
Performance
SP20.AS vs. ^NDX - Performance Comparison
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Different Trading Currencies
SP20.AS is traded in EUR, while ^NDX is traded in USD. To make them comparable, the ^NDX values have been converted to EUR using the latest available exchange rates.
Returns By Period
In the year-to-date period, SP20.AS achieves a 8.50% return, which is significantly lower than ^NDX's 21.80% return.
SP20.AS
- 1D
- -0.21%
- 1M
- 4.12%
- YTD
- 8.50%
- 6M
- 8.38%
- 1Y
- 32.46%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
^NDX
- 1D
- -0.67%
- 1M
- 9.26%
- YTD
- 21.80%
- 6M
- 19.18%
- 1Y
- 37.64%
- 3Y*
- 24.43%
- 5Y*
- 18.26%
- 10Y*
- 20.72%
SP20.AS vs. ^NDX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
SP20.AS iShares S&P 500 Top 20 UCITS ETF USD Acc | 8.50% | 19.56% | 5.33% |
^NDX NASDAQ 100 Index | 21.80% | 5.91% | 4.90% |
Correlation
The correlation between SP20.AS and ^NDX is 0.57, 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 | 0.57 |
Correlation (All Time) Calculated using the full available price history since Nov 18, 2024 | 0.54 |
The correlation between SP20.AS and ^NDX has been stable across timeframes, ranging from 0.54 to 0.57 - a consistent structural relationship.
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Return for Risk
SP20.AS vs. ^NDX — Risk / Return Rank
SP20.AS
^NDX
SP20.AS vs. ^NDX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares S&P 500 Top 20 UCITS ETF USD Acc (SP20.AS) and NASDAQ 100 Index (^NDX). 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.
| SP20.AS | ^NDX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.14 | ||
| Sortino ratioReturn per unit of downside risk | +0.12 | ||
| Omega ratioGain probability vs. loss probability | 1.37 | 1.40 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 2.40 | 3.38 | -0.98 |
| Martin ratioReturn relative to average drawdown | 8.91 | 10.55 | -1.65 |
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
| SP20.AS | ^NDX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.18 | 2.32 | -0.14 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.82 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.91 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.16 | 0.73 | +0.43 |
Drawdowns
SP20.AS vs. ^NDX - Drawdown Comparison
The maximum SP20.AS drawdown since its inception was -23.48%, smaller than the maximum ^NDX drawdown of -46.44%. Use the drawdown chart below to compare losses from any high point for SP20.AS and ^NDX.
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Drawdown Indicators
| SP20.AS | ^NDX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -23.48% | -46.44% | +22.96% |
Max Drawdown (1Y)Largest decline over 1 year | -13.36% | -11.19% | -2.17% |
Max Drawdown (3Y)Largest decline over 3 years | — | -27.30% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -31.53% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -31.53% | — |
Current DrawdownCurrent decline from peak | -1.67% | -0.69% | -0.98% |
Average DrawdownAverage peak-to-trough decline | -3.82% | -8.00% | +4.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.62% | 3.58% | +0.04% |
Volatility
SP20.AS vs. ^NDX - Volatility Comparison
iShares S&P 500 Top 20 UCITS ETF USD Acc (SP20.AS) has a higher volatility of 4.08% compared to NASDAQ 100 Index (^NDX) at 3.80%. This indicates that SP20.AS's price experiences larger fluctuations and is considered to be riskier than ^NDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SP20.AS | ^NDX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.08% | 3.80% | +0.28% |
Volatility (6M)Calculated over the trailing 6-month period | 10.95% | 11.58% | -0.63% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.72% | 16.31% | -1.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.19% | 22.24% | -3.05% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.19% | 22.83% | -3.64% |
Frequently Asked Questions
SP20.AS and ^NDX have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
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