NGG vs. XOM
NGG (National Grid plc) and XOM (Exxon Mobil Corporation) are both stocks. NGG operates in Utilities - Regulated Electric (Utilities), while XOM operates in Oil & Gas Integrated (Energy). Over the past 10 years, NGG returned 7.62%/yr vs 9.64%/yr for XOM. At a 0.27 correlation, their price movements are largely independent.
Performance
NGG vs. XOM - Performance Comparison
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Returns By Period
In the year-to-date period, NGG achieves a 8.59% return, which is significantly lower than XOM's 23.81% return. Over the past 10 years, NGG has underperformed XOM with an annualized return of 7.62%, while XOM has yielded a comparatively higher 9.64% annualized return.
NGG
- 1D
- 0.39%
- 1M
- 4.16%
- YTD
- 8.59%
- 6M
- 12.09%
- 1Y
- 17.16%
- 3Y*
- 15.06%
- 5Y*
- 11.19%
- 10Y*
- 7.62%
XOM
- 1D
- 0.28%
- 1M
- -6.91%
- YTD
- 23.81%
- 6M
- 25.40%
- 1Y
- 35.30%
- 3Y*
- 15.15%
- 5Y*
- 23.23%
- 10Y*
- 9.64%
NGG vs. XOM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
NGG National Grid plc | 8.59% | 35.88% | -1.26% | 18.82% | -12.68% | 29.02% | -0.75% | 38.53% | -13.76% | 4.94% |
XOM Exxon Mobil Corporation | 23.81% | 15.98% | 11.26% | -6.26% | 87.41% | 57.58% | -36.21% | 7.23% | -15.09% | -3.81% |
Correlation
The correlation between NGG and XOM is -0.07, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.07 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.07 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.09 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.13 |
Correlation (All Time) Calculated using the full available price history since Jan 2, 2001 | 0.27 |
The correlation between NGG and XOM shifts across timeframes, from -0.07 (1 year) to 0.27 (all time), reflecting how their relationship changes across market environments.
Fundamentals
NGG:
$81.45B
XOM:
$614.94B
NGG:
£6.16
XOM:
$5.93
NGG:
9.92
XOM:
24.80
NGG:
0.26
XOM:
1.15
NGG:
1.70
XOM:
1.93
NGG:
1.55
XOM:
2.42
NGG:
£35.68B
XOM:
$326.01B
NGG:
£10.47B
XOM:
$83.11B
NGG:
£15.03B
XOM:
$60.44B
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Return for Risk
NGG vs. XOM — Risk / Return Rank
NGG
XOM
NGG vs. XOM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for National Grid plc (NGG) and Exxon Mobil Corporation (XOM). 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.
| NGG | XOM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.78 | ||
| Sortino ratioReturn per unit of downside risk | -0.96 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.26 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | 1.21 | 2.45 | -1.24 |
| Martin ratioReturn relative to average drawdown | 3.27 | 6.56 | -3.29 |
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Drawdowns
NGG vs. XOM - Drawdown Comparison
The maximum NGG drawdown since its inception was -54.85%, smaller than the maximum XOM drawdown of -62.40%. Use the drawdown chart below to compare losses from any high point for NGG and XOM.
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Drawdown Indicators
| NGG | XOM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.85% | -62.40% | +7.55% |
Max Drawdown (1Y)Largest decline over 1 year | -14.15% | -15.69% | +1.54% |
Max Drawdown (3Y)Largest decline over 3 years | -20.76% | -18.92% | -1.84% |
Max Drawdown (5Y)Largest decline over 5 years | -39.20% | -20.51% | -18.69% |
Max Drawdown (10Y)Largest decline over 10 years | -39.20% | -61.34% | +22.14% |
Current DrawdownCurrent decline from peak | -10.58% | -13.68% | +3.10% |
Average DrawdownAverage peak-to-trough decline | -13.40% | -10.20% | -3.20% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.20% | 5.84% | -0.64% |
Volatility
NGG vs. XOM - Volatility Comparison
National Grid plc (NGG) has a higher volatility of 10.73% compared to Exxon Mobil Corporation (XOM) at 9.08%. This indicates that NGG's price experiences larger fluctuations and is considered to be riskier than XOM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| NGG | XOM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.73% | 9.08% | +1.65% |
Volatility (6M)Calculated over the trailing 6-month period | 17.38% | 20.51% | -3.13% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.64% | 24.51% | -2.87% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.11% | 26.77% | -4.66% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.11% | 28.20% | -5.09% |
Dividends
NGG vs. XOM - Dividend Comparison
NGG's dividend yield for the trailing twelve months is around 3.96%, more than XOM's 2.78% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
NGG National Grid plc | 3.96% | 4.03% | 11.81% | 5.20% | 5.18% | 4.75% | 5.32% | 4.94% | 6.51% | 14.95% | 5.07% | 4.73% |
XOM Exxon Mobil Corporation | 2.78% | 3.32% | 3.57% | 3.68% | 3.22% | 5.70% | 8.44% | 4.92% | 4.74% | 3.66% | 3.30% | 3.69% |
Financials
NGG vs. XOM - Financials Comparison
This section allows you to compare key financial metrics between National Grid plc and Exxon Mobil 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
NGG vs. XOM - Profitability Comparison
NGG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, National Grid plc reported a gross profit of 4.21B and revenue of 10.78B. Therefore, the gross margin over that period was 39.0%.
XOM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Exxon Mobil Corporation reported a gross profit of 31.36B and revenue of 83.16B. Therefore, the gross margin over that period was 37.7%.
NGG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, National Grid plc reported an operating income of 4.21B and revenue of 10.78B, resulting in an operating margin of 39.0%.
XOM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Exxon Mobil Corporation reported an operating income of 5.29B and revenue of 83.16B, resulting in an operating margin of 6.4%.
NGG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, National Grid plc reported a net income of 2.66B and revenue of 10.78B, resulting in a net margin of 24.7%.
XOM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Exxon Mobil Corporation reported a net income of 4.18B and revenue of 83.16B, resulting in a net margin of 5.0%.
Frequently Asked Questions
NGG and XOM have a correlation of -0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
NGG has higher volatility (10.73%) compared to XOM (9.08%). In terms of maximum drawdown, NGG dropped -54.85% vs XOM's -62.40%.
XOM currently has the higher Sharpe Ratio (1.57 vs 0.79), 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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