^AEX vs. AFLYY

Last updated Apr 2, 2026

Compare and contrast key facts about AEX Index (^AEX) and Air France KLM SA (AFLYY).

Performance

^AEX vs. AFLYY - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in AEX Index (^AEX) and Air France KLM SA (AFLYY). The values are adjusted to include any dividend payments, if applicable.

^AEX vs. AFLYY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
^AEX AEX Index	2.67%	8.27%	11.67%	14.20%	-13.65%	27.75%	3.31%	23.92%	-10.41%	12.71%
AFLYY Air France KLM SA	-13.63%	42.20%	-44.73%	11.27%	-67.10%	-24.39%	-48.04%	3.54%	-29.86%	165.83%

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 2.67% return, which is significantly higher than AFLYY's -13.63% return. Over the past 10 years, ^AEX has outperformed AFLYY with an annualized return of 8.44%, while AFLYY has yielded a comparatively lower -19.31% annualized return.

^AEX

• 1D: 1.76%
• 1M: -3.88%
• YTD: 2.67%
• 6M: 3.01%
• 1Y: 7.90%
• 3Y*: 8.91%
• 5Y*: 6.63%
• 10Y*: 8.44%

AFLYY

• 1D: 5.60%
• 1M: -10.27%
• YTD: -13.63%
• 6M: -17.53%
• 1Y: 19.39%
• 3Y*: -17.75%
• 5Y*: -28.55%
• 10Y*: -19.31%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

^AEX vs. AFLYY — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

^AEX

^AEX Risk / Return Rank: 49
^AEX Sharpe Ratio Rank: 34
^AEX Sortino Ratio Rank: 31
^AEX Omega Ratio Rank: 32
^AEX Calmar Ratio Rank: 84
^AEX Martin Ratio Rank: 65

AFLYY

AFLYY Risk / Return Rank: 56
AFLYY Sharpe Ratio Rank: 60
AFLYY Sortino Ratio Rank: 57
AFLYY Omega Ratio Rank: 55
AFLYY Calmar Ratio Rank: 54
AFLYY Martin Ratio Rank: 53

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

^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.

	^AEX	AFLYY	Difference
Sharpe ratio Return per unit of total volatility	0.50	0.36	+0.14
Sortino ratio Return per unit of downside risk	0.76	0.89	-0.13
Omega ratio Gain probability vs. loss probability	1.11	1.11	0.00
Calmar ratio Return relative to maximum drawdown	2.36	0.43	+1.93
Martin ratio Return relative to average drawdown	5.66	0.84	+4.82
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

^AEX vs. AFLYY - Sharpe Ratio Comparison

The current ^AEX Sharpe Ratio is 0.50, which is higher than the AFLYY Sharpe Ratio of 0.36. The chart below compares the historical Sharpe Ratios of ^AEX and AFLYY, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	^AEX	AFLYY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.50	0.36	+0.14
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.42	-0.53	+0.96
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.51	-0.37	+0.89
Sharpe Ratio (All Time) Calculated using the full available price history	0.36	-0.30	+0.66

Correlation

The correlation between ^AEX and AFLYY is 0.35, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

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.

Drawdown Indicators

	^AEX	AFLYY	Difference
Max Drawdown Largest peak-to-trough decline	-71.60%	-97.70%	+26.10%
Max Drawdown (1Y) Largest decline over 1 year	-11.65%	-42.67%	+31.02%
Max Drawdown (5Y) Largest decline over 5 years	-23.80%	-89.13%	+65.33%
Max Drawdown (10Y) Largest decline over 10 years	-35.78%	-95.87%	+60.09%
Current Drawdown Current decline from peak	-5.18%	-96.40%	+91.22%
Average Drawdown Average peak-to-trough decline	-22.69%	-72.12%	+49.43%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.84%	21.11%	-18.27%

Volatility

^AEX vs. AFLYY - Volatility Comparison

The current volatility for AEX Index (^AEX) is 5.17%, while Air France KLM SA (AFLYY) has a volatility of 16.17%. 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.

Volatility by Period

	^AEX	AFLYY	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.17%	16.17%	-11.00%
Volatility (6M) Calculated over the trailing 6-month period	10.00%	40.19%	-30.19%
Volatility (1Y) Calculated over the trailing 1-year period	15.47%	53.75%	-38.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.39%	53.61%	-38.22%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.22%	51.65%	-35.43%