ALSMY vs. ^GSPC
ALSMY (Alstom PK) is a stock, while ^GSPC (S&P 500 Index) is an index. Over the past 10 years, ALSMY returned 1.36%/yr vs 13.49%/yr for ^GSPC. Their 0.36 correlation means their historical movements had little consistent relationship.
Performance
ALSMY vs. ^GSPC - Performance Comparison
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Returns By Period
In the year-to-date period, ALSMY achieves a -34.36% return, which is significantly lower than ^GSPC's 13.02% return. Over the past 10 years, ALSMY has underperformed ^GSPC with an annualized return of 1.36%, while ^GSPC has yielded a comparatively higher 13.49% annualized return.
ALSMY
- 1D
- 2.14%
- 1M
- 10.40%
- 6M
- -40.87%
- YTD
- -34.36%
- 1Y
- -16.23%
- 3Y*
- -11.03%
- 5Y*
- -12.76%
- 10Y*
- 1.36%
- ALL TIME*
- -5.69%
^GSPC
- 1D
- 1.79%
- 1M
- 3.38%
- 6M
- 11.83%
- YTD
- 13.02%
- 1Y
- 22.22%
- 3Y*
- 19.99%
- 5Y*
- 11.80%
- 10Y*
- 13.49%
- ALL TIME*
- 8.15%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
^GSPC S&P 500 Index | $38.53T | $37.79T | $41.47T |
ALSMY Alstom PK | $3.12M | $2.88M | $3.96M |
ALSMY vs. ^GSPC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ALSMY Alstom PK | -34.36% | 34.10% | 77.98% | -45.29% | -31.06% | -38.24% | 32.55% | 34.38% | -0.45% | 53.65% |
^GSPC S&P 500 Index | 13.02% | 16.39% | 23.31% | 24.23% | -19.44% | 26.89% | 16.26% | 28.88% | -6.24% | 19.42% |
Correlation
The correlation between ALSMY and ^GSPC is 0.37, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.37 |
Correlation (3Y) Balances recent behavior with more history. | 0.31 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.37 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.33 |
Correlation (All Time) Calculated using the full available price history since Sep 9, 2009 | 0.36 |
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Return for Risk
ALSMY vs. ^GSPC — Risk / Return Rank
ALSMY
^GSPC
ALSMY vs. ^GSPC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Alstom PK (ALSMY) and S&P 500 Index (^GSPC). 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.
| ALSMY | ^GSPC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.14 | ||
| Sortino ratioReturn per unit of downside risk | -2.71 | ||
| Omega ratioGain probability vs. loss probability | 0.96 | 1.31 | -0.35 |
| Calmar ratioReturn relative to maximum drawdown | -0.31 | 2.45 | -2.76 |
| Martin ratioReturn relative to average drawdown | -0.60 | 10.40 | -11.00 |
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Drawdowns
ALSMY vs. ^GSPC - Drawdown Comparison
The maximum ALSMY drawdown since its inception was -80.51%, which is greater than ^GSPC's maximum drawdown of -56.78%. Use the drawdown chart below to compare losses from any high point for ALSMY and ^GSPC.
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Drawdown Indicators
| ALSMY | ^GSPC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -80.51% | -56.78% | -23.73% |
Max Drawdown (1Y)Largest decline over 1 year | -52.33% | -9.10% | -43.23% |
Max Drawdown (3Y)Largest decline over 3 years | -60.62% | -18.90% | -41.72% |
Max Drawdown (5Y)Largest decline over 5 years | -73.31% | -25.43% | -47.88% |
Max Drawdown (10Y)Largest decline over 10 years | -80.51% | -33.92% | -46.59% |
Current DrawdownCurrent decline from peak | -65.15% | 0.00% | -65.15% |
Average DrawdownAverage peak-to-trough decline | -47.37% | -10.70% | -36.67% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 27.13% | 2.14% | +24.99% |
Volatility
ALSMY vs. ^GSPC - Volatility Comparison
Alstom PK (ALSMY) has a higher volatility of 8.62% compared to S&P 500 Index (^GSPC) at 4.12%. This indicates that ALSMY's price experiences larger fluctuations and is considered to be riskier than ^GSPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ALSMY | ^GSPC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.62% | 4.12% | +4.50% |
Volatility (6M)Calculated over the trailing 6-month period | 34.73% | 10.33% | +24.40% |
Volatility (1Y)Calculated over the trailing 1-year period | 40.25% | 12.95% | +27.30% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 47.67% | 17.04% | +30.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 39.88% | 18.09% | +21.79% |
Frequently Asked Questions
ALSMY and ^GSPC have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ALSMY has higher volatility (8.62%) compared to ^GSPC (4.12%). In terms of maximum drawdown, ALSMY dropped -80.51% vs ^GSPC's -56.78%.
^GSPC currently has the higher Sharpe Ratio (1.73 vs -0.40), 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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