ES vs. COST
ES (Eversource Energy) and COST (Costco Wholesale Corporation) are both stocks. ES operates in Utilities - Regulated Electric (Utilities), while COST operates in Discount Stores (Consumer Defensive). Over the past 10 years, ES returned 5.44%/yr vs 22.27%/yr for COST. At a 0.22 correlation, their price movements are largely independent.
Performance
ES vs. COST - Performance Comparison
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Returns By Period
In the year-to-date period, ES achieves a 4.32% return, which is significantly lower than COST's 14.24% return. Over the past 10 years, ES has underperformed COST with an annualized return of 5.44%, while COST has yielded a comparatively higher 22.27% annualized return.
ES
- 1D
- 0.38%
- 1M
- 3.48%
- YTD
- 4.32%
- 6M
- 4.28%
- 1Y
- 10.16%
- 3Y*
- 4.00%
- 5Y*
- 0.24%
- 10Y*
- 5.44%
COST
- 1D
- 0.68%
- 1M
- -6.35%
- YTD
- 14.24%
- 6M
- 11.38%
- 1Y
- -0.24%
- 3Y*
- 25.12%
- 5Y*
- 22.12%
- 10Y*
- 22.27%
ES vs. COST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ES Eversource Energy | 4.32% | 22.86% | -2.46% | -23.43% | -5.06% | 8.18% | 4.45% | 34.49% | 6.41% | 17.97% |
COST Costco Wholesale Corporation | 14.24% | -5.39% | 39.62% | 49.00% | -19.05% | 51.82% | 32.67% | 45.70% | 10.60% | 22.37% |
Correlation
The correlation between ES and COST is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.16 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.10 |
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 Sep 22, 1993 | 0.22 |
The correlation between ES and COST shifts across timeframes, from 0.10 (3 years) to 0.25 (10 years), reflecting how their relationship changes across market environments.
Fundamentals
ES:
$4.68
COST:
$26.51
ES:
14.67
COST:
37.06
ES:
0.83
COST:
2.90
ES:
1.84
COST:
1.12
ES:
$13.93B
COST:
$293.59B
ES:
$4.19B
COST:
$11.12B
ES:
$4.60B
COST:
$12.48B
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Return for Risk
ES vs. COST — Risk / Return Rank
ES
COST
ES vs. COST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Eversource Energy (ES) and Costco Wholesale Corporation (COST). 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 | COST | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.45 | ||
| Sortino ratioReturn per unit of downside risk | +0.60 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.00 | +0.09 |
| Calmar ratioReturn relative to maximum drawdown | 0.61 | -0.10 | +0.71 |
| Martin ratioReturn relative to average drawdown | 1.46 | -0.22 | +1.69 |
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Drawdowns
ES vs. COST - Drawdown Comparison
The maximum ES drawdown since its inception was -73.04%, which is greater than COST's maximum drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for ES and COST.
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Drawdown Indicators
| ES | COST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -73.04% | -53.39% | -19.65% |
Max Drawdown (1Y)Largest decline over 1 year | -15.13% | -15.14% | +0.01% |
Max Drawdown (3Y)Largest decline over 3 years | -28.65% | -20.74% | -7.91% |
Max Drawdown (5Y)Largest decline over 5 years | -41.69% | -31.40% | -10.29% |
Max Drawdown (10Y)Largest decline over 10 years | -41.69% | -31.40% | -10.29% |
Current DrawdownCurrent decline from peak | -13.32% | -10.23% | -3.09% |
Average DrawdownAverage peak-to-trough decline | -19.06% | -13.36% | -5.70% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.30% | 6.67% | -0.37% |
Volatility
ES vs. COST - Volatility Comparison
Eversource Energy (ES) and Costco Wholesale Corporation (COST) have volatilities of 7.72% and 7.44%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ES | COST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.72% | 7.44% | +0.28% |
Volatility (6M)Calculated over the trailing 6-month period | 16.00% | 14.53% | +1.47% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.68% | 18.80% | +5.88% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.94% | 22.72% | +1.22% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.35% | 21.95% | +2.40% |
Dividends
ES vs. COST - Dividend Comparison
ES's dividend yield for the trailing twelve months is around 4.48%, more than COST's 0.55% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COST Costco Wholesale Corporation | 0.55% | 0.59% | 0.49% | 2.87% | 0.76% | 0.54% | 3.38% | 0.86% | 1.08% | 4.81% | 1.09% | 4.06% |
ES Eversource Energy | 4.48% | 4.47% | 4.98% | 4.37% | 3.04% | 2.65% | 2.62% | 2.52% | 3.11% | 3.01% | 3.22% | 3.27% |
Financials
ES vs. COST - Financials Comparison
This section allows you to compare key financial metrics between Eversource Energy and Costco Wholesale Corporation. 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
Frequently Asked Questions
ES and COST have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ES has higher volatility (7.72%) compared to COST (7.44%). In terms of maximum drawdown, ES dropped -73.04% vs COST's -53.39%.
ES currently has the higher Sharpe Ratio (0.37 vs -0.08), 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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