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SELECT MEDICAL HOLDINGS CORP vs AerCap Holdings N.V. — Side-by-side quantitative comparison
Based on our 6-factor quantitative model, AerCap Holdings N.V. (AER) is the stronger stock with a composite score of 72.4/100 and a Buy rating, compared to SELECT MEDICAL HOLDINGS CORP (SEM) at 55.6/100 (Hold). AER ranks #49 in our universe versus #1196 for SEM, giving it an edge of 16.8 points across quality, value, momentum, investment, stability, and short interest factors.
For the Quality factor — which measures profitability and business quality through metrics like ROE, gross margins, and capital efficiency — AER leads at 60/100, while SEM trails at 43/100 (AER: 60/100, SEM: 43/100). The 16-point gap indicates a meaningful difference in quality characteristics between these stocks.
On the Value factor, which evaluates whether a stock is cheap or expensive relative to its earnings, book value, and cash flows, these stocks are closely matched (AER: 87/100, SEM: 84/100). The narrow 3-point spread suggests similar value profiles, so this factor alone is unlikely to be a decisive differentiator.
For the Momentum factor — which captures price trends and institutional sentiment over the trailing 3-12 months — AER leads at 84/100, while SEM trails at 63/100 (AER: 84/100, SEM: 63/100). The 21-point gap indicates a meaningful difference in momentum characteristics between these stocks.
For the Investment factor — which assesses capital allocation quality including reinvestment rates and asset growth — AER leads at 56/100, while SEM trails at 29/100 (AER: 56/100, SEM: 29/100). The 27-point gap indicates a meaningful difference in investment characteristics between these stocks.
For the Stability factor — which measures financial health through leverage ratios and price volatility — AER leads at 91/100, while SEM trails at 74/100 (AER: 91/100, SEM: 74/100). The 17-point gap indicates a meaningful difference in stability characteristics between these stocks.
For the Short Interest factor — which tracks institutional bearish positioning and potential risk from elevated short selling — AER leads at 74/100, while SEM trails at 40/100 (AER: 74/100, SEM: 40/100). The 35-point gap indicates a meaningful difference in short interest characteristics between these stocks.
Based on our 6-factor model, AerCap Holdings N.V. (AER) is utilizing a stronger overall profile than SEM, with a Composite Score of 72 vs 56. AER holds a moderate edge, particularly in Short Interest and Investment, though both stocks have merits.
| Overall Rating | ||
| Composite Score | 72 | 56 |
| Rank | #49 | #1,196 |
| Stars | 4 / 5 | 3 / 5 |
| Action | Buy | Hold |
| Factor Scores | ||
| Quality | 60 | 43 |
| Value | 87 | 84 |
| Momentum | 84 | 63 |
| Stability | 91 | 74 |
| Investment | 56 | 29 |
| Short Interest | 74 | 40 |
| Valuation | ||
| P/E Ratio | — | 9.01 |
| P/B Ratio | — | 0.94 |
| P/S Ratio | — | 0.29 |
| EV/EBITDA | — | 3.68 |
| Dividend Yield | 0.8% | 138.2% |
| Profitability | ||
| ROE | 12.4% | 9.9% |
| ROA | 2.9% | 2.5% |
| Gross Margin | 100.0% | 10.8% |
| Operating Margin | 28.2% | 5.3% |
| Net Margin | 26.2% | 3.2% |
| Growth & Risk | ||
| Revenue Growth | 5.5% | 7.2% |
| Debt/Equity | 264.00 | 105.00 |
| Beta | 0.79 | 0.70 |
| Market | ||
| Market Cap | $19.38B | $1.59B |
Based on our 6-factor quantitative model, AER currently has the higher composite score (72.4/100, Buy) and ranks #49 in our universe. However, the "better" stock depends on your investment goals, risk tolerance, and time horizon. We recommend reviewing the full factor breakdown above before making a decision.
Our comparison analyzes six quantitative factors: Quality (profitability and business strength, 30% weight), Momentum (price trends, 25%), Value (valuation attractiveness, 15%), Investment (capital allocation, 10%), Stability (financial health, 10%), and Short Interest (institutional positioning, 10%). Each factor is scored 0-100 and combined into a composite score.
AER has the higher value score at 87/100 compared to SEM at 84/100. A higher value score indicates the stock trades at a more attractive valuation relative to its earnings, book value, and cash flows.
Our stock rankings and comparisons are updated daily using the latest available market data, financial statements, and price information. Factor scores reflect the most recent quarterly filings and trailing price data.