ES vs. FXAIX
ES (Eversource Energy) is a stock, while FXAIX (Fidelity 500 Index Fund) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, ES returned 5.67%/yr vs 15.58%/yr for FXAIX. At a 0.32 correlation, their price movements are largely independent.
Performance
ES vs. FXAIX - Performance Comparison
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Returns By Period
In the year-to-date period, ES achieves a 6.49% return, which is significantly lower than FXAIX's 10.19% return. Over the past 10 years, ES has underperformed FXAIX with an annualized return of 5.67%, while FXAIX has yielded a comparatively higher 15.58% annualized return.
ES
- 1D
- 0.76%
- 1M
- 0.17%
- YTD
- 6.49%
- 6M
- 8.57%
- 1Y
- 17.29%
- 3Y*
- 4.89%
- 5Y*
- 1.67%
- 10Y*
- 5.67%
FXAIX
- 1D
- 1.09%
- 1M
- 0.47%
- YTD
- 10.19%
- 6M
- 9.68%
- 1Y
- 27.18%
- 3Y*
- 20.98%
- 5Y*
- 14.10%
- 10Y*
- 15.58%
ES vs. FXAIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ES Eversource Energy | 6.49% | 22.86% | -2.46% | -23.43% | -5.06% | 8.18% | 4.45% | 34.49% | 6.41% | 17.97% |
FXAIX Fidelity 500 Index Fund | 10.19% | 17.84% | 25.01% | 26.29% | -18.14% | 28.71% | 18.42% | 31.48% | -4.43% | 21.82% |
Correlation
The correlation between ES and FXAIX is 0.13, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.13 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.15 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.24 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.25 |
Correlation (All Time) Calculated using the full available price history since May 4, 2011 | 0.32 |
The correlation between ES and FXAIX shifts across timeframes, from 0.13 (1 year) to 0.32 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
ES vs. FXAIX — Risk / Return Rank
ES
FXAIX
ES vs. FXAIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Eversource Energy (ES) and Fidelity 500 Index Fund (FXAIX). 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.
| ES | FXAIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.46 | ||
| Sortino ratioReturn per unit of downside risk | -1.93 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.39 | -0.24 |
| Calmar ratioReturn relative to maximum drawdown | 1.15 | 3.04 | -1.89 |
| Martin ratioReturn relative to average drawdown | 2.74 | 13.75 | -11.00 |
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Drawdowns
ES vs. FXAIX - Drawdown Comparison
The maximum ES drawdown since its inception was -73.04%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for ES and FXAIX.
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Drawdown Indicators
| ES | FXAIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -73.04% | -33.79% | -39.25% |
Max Drawdown (1Y)Largest decline over 1 year | -15.13% | -8.89% | -6.24% |
Max Drawdown (3Y)Largest decline over 3 years | -28.65% | -18.76% | -9.89% |
Max Drawdown (5Y)Largest decline over 5 years | -41.69% | -24.50% | -17.19% |
Max Drawdown (10Y)Largest decline over 10 years | -41.69% | -33.79% | -7.90% |
Current DrawdownCurrent decline from peak | -11.51% | -1.36% | -10.15% |
Average DrawdownAverage peak-to-trough decline | -19.06% | -3.79% | -15.27% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.32% | 1.96% | +4.36% |
Volatility
ES vs. FXAIX - Volatility Comparison
Eversource Energy (ES) has a higher volatility of 6.97% compared to Fidelity 500 Index Fund (FXAIX) at 4.77%. This indicates that ES's price experiences larger fluctuations and is considered to be riskier than FXAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ES | FXAIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.97% | 4.77% | +2.20% |
Volatility (6M)Calculated over the trailing 6-month period | 16.06% | 9.91% | +6.15% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.63% | 12.47% | +12.16% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.89% | 17.01% | +6.88% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.37% | 18.11% | +6.26% |
Dividends
ES vs. FXAIX - Dividend Comparison
ES's dividend yield for the trailing twelve months is around 4.39%, more than FXAIX's 1.04% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ES Eversource Energy | 4.39% | 4.47% | 4.98% | 4.37% | 3.04% | 2.65% | 2.62% | 2.52% | 3.11% | 3.01% | 3.22% | 3.27% |
FXAIX Fidelity 500 Index Fund | 1.04% | 1.11% | 1.25% | 1.45% | 1.69% | 1.22% | 1.60% | 2.06% | 2.72% | 1.97% | 2.52% | 2.83% |
Frequently Asked Questions
ES and FXAIX have a correlation of 0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ES has higher volatility (6.97%) compared to FXAIX (4.77%). In terms of maximum drawdown, ES dropped -73.04% vs FXAIX's -33.79%.
FXAIX currently has the higher Sharpe Ratio (2.17 vs 0.71), 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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