^AEX vs. AFLYY
^AEX (AEX Index) is an index, while AFLYY (Air France KLM SA) is a stock. Over the past 10 years, ^AEX returned 9.65%/yr vs -13.21%/yr for AFLYY. At a 0.35 correlation, their price movements are largely independent.
Performance
^AEX vs. AFLYY - Performance Comparison
Loading charts...
Different Trading Currencies
^AEX is traded in EUR, while AFLYY is traded in USD. To make them comparable, the AFLYY values have been converted to EUR using the latest available exchange rates.
Returns By Period
In the year-to-date period, ^AEX achieves a 11.99% return, which is significantly lower than AFLYY's 21.53% return. Over the past 10 years, ^AEX has outperformed AFLYY with an annualized return of 9.65%, while AFLYY has yielded a comparatively lower -13.21% annualized return.
^AEX
- 1D
- -0.03%
- 1M
- 2.22%
- YTD
- 11.99%
- 6M
- 13.17%
- 1Y
- 16.07%
- 3Y*
- 12.08%
- 5Y*
- 7.76%
- 10Y*
- 9.65%
AFLYY
- 1D
- 2.24%
- 1M
- 26.64%
- YTD
- 21.53%
- 6M
- 24.24%
- 1Y
- 52.79%
- 3Y*
- -6.48%
- 5Y*
- -21.03%
- 10Y*
- -13.21%
^AEX vs. AFLYY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
^AEX AEX Index | 11.99% | 8.27% | 11.67% | 14.20% | -13.65% | 27.75% | 3.31% | 23.92% | -10.41% | 12.71% |
AFLYY Air France KLM SA | 21.53% | 42.20% | -44.73% | 11.27% | -67.10% | -24.39% | -48.04% | 3.54% | -29.86% | 165.83% |
Correlation
The correlation between ^AEX and AFLYY is 0.18, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.18 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.15 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.23 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.25 |
Correlation (All Time) Calculated using the full available price history since Feb 7, 2008 | 0.35 |
The correlation between ^AEX and AFLYY shifts across timeframes, from 0.15 (3 years) to 0.35 (all time), reflecting how their relationship changes across market environments.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
^AEX vs. AFLYY — Risk / Return Rank
^AEX
AFLYY
^AEX vs. AFLYY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AEX Index (^AEX) and Air France KLM SA (AFLYY). 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.
| ^AEX | AFLYY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.13 | ||
| Sortino ratioReturn per unit of downside risk | -0.04 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.20 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 2.20 | 1.28 | +0.92 |
| Martin ratioReturn relative to average drawdown | 5.82 | 2.08 | +3.73 |
Loading charts...
Drawdowns
^AEX vs. AFLYY - Drawdown Comparison
The maximum ^AEX drawdown since its inception was -71.60%, smaller than the maximum AFLYY drawdown of -96.55%. Use the drawdown chart below to compare losses from any high point for ^AEX and AFLYY.
Loading charts...
Drawdown Indicators
| ^AEX | AFLYY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -71.60% | -96.55% | +24.95% |
Max Drawdown (1Y)Largest decline over 1 year | -6.82% | -41.41% | +34.59% |
Max Drawdown (3Y)Largest decline over 3 years | -16.03% | -60.63% | +44.60% |
Max Drawdown (5Y)Largest decline over 5 years | -23.80% | -85.38% | +61.58% |
Max Drawdown (10Y)Largest decline over 10 years | -35.78% | -95.18% | +59.40% |
Current DrawdownCurrent decline from peak | -1.62% | -93.24% | +91.62% |
Average DrawdownAverage peak-to-trough decline | -25.64% | -66.33% | +40.69% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.59% | 25.40% | -22.81% |
Volatility
^AEX vs. AFLYY - Volatility Comparison
The current volatility for AEX Index (^AEX) is 3.44%, while Air France KLM SA (AFLYY) has a volatility of 16.18%. This indicates that ^AEX experiences smaller price fluctuations and is considered to be less risky than AFLYY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| ^AEX | AFLYY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.44% | 16.18% | -12.74% |
Volatility (6M)Calculated over the trailing 6-month period | 10.84% | 40.91% | -30.07% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.48% | 54.05% | -40.57% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.42% | 54.65% | -39.23% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.05% | 52.07% | -36.02% |
Frequently Asked Questions
^AEX and AFLYY have a correlation of 0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AFLYY has higher volatility (16.18%) compared to ^AEX (3.44%). In terms of maximum drawdown, ^AEX dropped -71.60% vs AFLYY's -96.55%.
^AEX currently has the higher Sharpe Ratio (1.12 vs 0.98), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for ^AEX and AFLYY
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer