Stock vs. Benchmark Comparison
Data updated: 2025-06-22 23:08 UTC
美国航空 (AAL)
标普500 (SPY)
📈 Cumulative Return
-5.85%
vs Benchmark 9.73%
📊 Volatility (Ann.)
52.8%
Benchmark 20.5%
⚠️ Alert: Stock volatility exceeds benchmark by over 15%. Monitor risk.
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Disclaimer: This analysis is based on historical data and does not constitute investment advice. Securities markets involve risk; invest cautiously. Data updated T+0.
Ann. Excess Return
-4.26%
Beta
1.60
Ann. Alpha
-10.16%
Information Ratio
-0.10
Key Insights
- During the analysis period, the stock underperformed the benchmark index, with a total excess loss of 3.86%.
- The stock showed negative stock selection ability, with an annualized Alpha of -10.16%.
- A high Beta value (1.60) indicates the stock is more sensitive to market changes and has higher volatility.
- The stock's volatility is significantly higher than the benchmark, indicating higher risk.
- An Information Ratio near zero suggests the stock's risk-adjusted performance is comparable to the benchmark.
Price Comparison
Return Comparison
Excess Return
Return Metrics
Metric
AAL
SPY
Excess/Diff.
Total Return
-5.85%
9.73%
-15.58%
Annualized Return
7.80%
12.06%
-4.26%
Risk Metrics
Metric
AAL
SPY
Ratio/Diff.
Annualized Volatility
52.77%
20.49%
2.58x
Max Drawdown
51.39%
18.76%
2.74x
Sharpe Ratio
0.09
0.44
-0.35
Relative Performance Metrics
Metric
Value
Interpretation
Evaluation
Beta
1.60
Higher than market
High Volatility
Annualized Alpha
-10.16%
Negative Alpha
Poor
Information Ratio
-0.10
Moderate IR
Fair
Correlation Coeff.
0.62
Moderately Correlated
Clear Link
R-Squared
38.57%
Low Explanatory Power
Idiosyncratic Risk
Market Capture Ratios
Metric
Value
Interpretation
Up Capture Ratio
122.89%
Outperforms in up markets
Down Capture Ratio
129.66%
Falls more than market