AER vs. APEI
AER (AerCap Holdings N.V.) and APEI (American Public Education, Inc.) are both stocks. AER operates in Airports & Air Services (Industrials), while APEI operates in Education & Training Services (Consumer Defensive). Over the past 10 years, AER returned 15.83%/yr vs 7.31%/yr for APEI. At a 0.27 correlation, their price movements are largely independent.
Performance
AER vs. APEI - Performance Comparison
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Returns By Period
In the year-to-date period, AER achieves a 2.71% return, which is significantly lower than APEI's 42.78% return. Over the past 10 years, AER has outperformed APEI with an annualized return of 15.83%, while APEI has yielded a comparatively lower 7.31% annualized return.
AER
- 1D
- 1.23%
- 1M
- 5.94%
- YTD
- 2.71%
- 6M
- 1.36%
- 1Y
- 28.57%
- 3Y*
- 35.35%
- 5Y*
- 22.65%
- 10Y*
- 15.83%
APEI
- 1D
- 2.37%
- 1M
- 4.80%
- YTD
- 42.78%
- 6M
- 42.33%
- 1Y
- 81.17%
- 3Y*
- 129.07%
- 5Y*
- 13.59%
- 10Y*
- 7.31%
AER vs. APEI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AER AerCap Holdings N.V. | 2.71% | 51.66% | 29.81% | 27.43% | -10.85% | 43.53% | -25.85% | 55.23% | -24.73% | 26.44% |
APEI American Public Education, Inc. | 42.78% | 75.24% | 123.52% | -21.48% | -44.76% | -27.00% | 11.28% | -3.76% | 13.61% | 2.04% |
Correlation
The correlation between AER and APEI is 0.21, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.21 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.21 |
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 Nov 9, 2007 | 0.27 |
Fundamentals
AER:
$24.21B
APEI:
$1.01B
AER:
$22.98
APEI:
$2.18
AER:
6.39
APEI:
24.80
AER:
0.16
APEI:
0.53
AER:
3.09
APEI:
1.52
AER:
1.32
APEI:
3.31
AER:
$8.11B
APEI:
$659.05M
AER:
$4.29B
APEI:
$258.11M
AER:
$6.71B
APEI:
$70.64M
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Return for Risk
AER vs. APEI — Risk / Return Rank
AER
APEI
AER vs. APEI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AerCap Holdings N.V. (AER) and American Public Education, Inc. (APEI). 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.
| AER | APEI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.83 | ||
| Sortino ratioReturn per unit of downside risk | -1.09 | ||
| Omega ratioGain probability vs. loss probability | 1.21 | 1.35 | -0.14 |
| Calmar ratioReturn relative to maximum drawdown | 1.94 | 3.66 | -1.72 |
| Martin ratioReturn relative to average drawdown | 4.92 | 10.52 | -5.60 |
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Drawdowns
AER vs. APEI - Drawdown Comparison
The maximum AER drawdown since its inception was -94.38%, roughly equal to the maximum APEI drawdown of -92.17%. Use the drawdown chart below to compare losses from any high point for AER and APEI.
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Drawdown Indicators
| AER | APEI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -94.38% | -92.17% | -2.21% |
Max Drawdown (1Y)Largest decline over 1 year | -14.77% | -22.30% | +7.53% |
Max Drawdown (3Y)Largest decline over 3 years | -15.66% | -40.52% | +24.86% |
Max Drawdown (5Y)Largest decline over 5 years | -45.14% | -87.00% | +41.86% |
Max Drawdown (10Y)Largest decline over 10 years | -75.86% | -91.44% | +15.58% |
Current DrawdownCurrent decline from peak | -4.63% | -11.32% | +6.69% |
Average DrawdownAverage peak-to-trough decline | -28.38% | -40.44% | +12.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.82% | 7.74% | -1.92% |
Volatility
AER vs. APEI - Volatility Comparison
The current volatility for AerCap Holdings N.V. (AER) is 6.65%, while American Public Education, Inc. (APEI) has a volatility of 8.70%. This indicates that AER experiences smaller price fluctuations and is considered to be less risky than APEI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AER | APEI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.65% | 8.70% | -2.05% |
Volatility (6M)Calculated over the trailing 6-month period | 20.35% | 30.23% | -9.88% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.33% | 41.59% | -16.26% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 32.23% | 64.30% | -32.07% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 41.90% | 59.00% | -17.10% |
Dividends
AER vs. APEI - Dividend Comparison
AER's dividend yield for the trailing twelve months is around 0.91%, while APEI has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 |
|---|---|---|---|
AER AerCap Holdings N.V. | 0.91% | 0.75% | 0.78% |
APEI American Public Education, Inc. | 0.00% | 0.00% | 0.00% |
Financials
AER vs. APEI - Financials Comparison
This section allows you to compare key financial metrics between AerCap Holdings N.V. and American Public Education, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
AER vs. APEI - Profitability Comparison
AER - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, AerCap Holdings N.V. reported a gross profit of 1.41B and revenue of 2.16B. Therefore, the gross margin over that period was 65.4%.
APEI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, American Public Education, Inc. reported a gross profit of 0.00 and revenue of 174.74M. Therefore, the gross margin over that period was 0.0%.
AER - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, AerCap Holdings N.V. reported an operating income of 1.28B and revenue of 2.16B, resulting in an operating margin of 59.3%.
APEI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, American Public Education, Inc. reported an operating income of 0.00 and revenue of 174.74M, resulting in an operating margin of 0.0%.
AER - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, AerCap Holdings N.V. reported a net income of 818.12M and revenue of 2.16B, resulting in a net margin of 37.8%.
APEI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, American Public Education, Inc. reported a net income of 17.73M and revenue of 174.74M, resulting in a net margin of 10.2%.
Frequently Asked Questions
AER and APEI have a correlation of 0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
APEI has higher volatility (8.70%) compared to AER (6.65%). In terms of maximum drawdown, AER dropped -94.38% vs APEI's -92.17%.
APEI currently has the higher Sharpe Ratio (1.97 vs 1.13), 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.
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