BAC vs. AON
BAC (Bank of America Corporation) and AON (Aon plc) are both stocks. Both are in the Financial Services sector — BAC in Banks - Diversified, AON in Insurance Brokers. Over the past 10 years, BAC returned 18.03%/yr vs 12.97%/yr for AON. At a 0.36 correlation, their price movements are largely independent.
Performance
BAC vs. AON - Performance Comparison
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Returns By Period
In the year-to-date period, BAC achieves a 3.44% return, which is significantly higher than AON's -6.18% return. Over the past 10 years, BAC has outperformed AON with an annualized return of 18.03%, while AON has yielded a comparatively lower 12.97% annualized return.
BAC
- 1D
- -0.27%
- 1M
- 13.67%
- YTD
- 3.44%
- 6M
- 2.83%
- 1Y
- 30.43%
- 3Y*
- 27.62%
- 5Y*
- 8.85%
- 10Y*
- 18.03%
AON
- 1D
- -1.73%
- 1M
- 3.87%
- YTD
- -6.18%
- 6M
- -6.50%
- 1Y
- -5.81%
- 3Y*
- 0.86%
- 5Y*
- 7.04%
- 10Y*
- 12.97%
BAC vs. AON - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BAC Bank of America Corporation | 3.44% | 28.04% | 33.85% | 4.83% | -23.82% | 49.61% | -11.63% | 46.19% | -15.00% | 35.69% |
AON Aon plc | -6.18% | -0.94% | 24.45% | -2.31% | 0.61% | 43.39% | 2.37% | 44.68% | 9.94% | 21.49% |
Correlation
The correlation between BAC and AON is 0.09, 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 | 0.09 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.16 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.29 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.33 |
Correlation (All Time) Calculated using the full available price history since May 29, 1986 | 0.36 |
Over the past year, the correlation between BAC and AON has dropped to 0.09 - well below their long-term average of 0.36, suggesting their price drivers have been diverging.
Fundamentals
BAC:
$414.42B
AON:
$70.98B
BAC:
$4.19
AON:
$18.21
BAC:
13.33
AON:
18.10
BAC:
5.35
AON:
0.46
BAC:
2.42
AON:
4.08
BAC:
1.50
AON:
7.22
BAC:
$174.85B
AON:
$17.49B
BAC:
$110.47B
AON:
$9.77B
BAC:
$41.74B
AON:
$6.55B
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Return for Risk
BAC vs. AON — Risk / Return Rank
BAC
AON
BAC vs. AON - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Bank of America Corporation (BAC) and Aon plc (AON). 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.
| BAC | AON | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.66 | ||
| Sortino ratioReturn per unit of downside risk | +2.09 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 0.98 | +0.27 |
| Calmar ratioReturn relative to maximum drawdown | 1.70 | -0.34 | +2.04 |
| Martin ratioReturn relative to average drawdown | 4.39 | -0.62 | +5.01 |
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Drawdowns
BAC vs. AON - Drawdown Comparison
The maximum BAC drawdown since its inception was -93.10%, which is greater than AON's maximum drawdown of -69.05%. Use the drawdown chart below to compare losses from any high point for BAC and AON.
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Drawdown Indicators
| BAC | AON | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -93.10% | -69.05% | -24.05% |
Max Drawdown (1Y)Largest decline over 1 year | -17.93% | -17.28% | -0.65% |
Max Drawdown (3Y)Largest decline over 3 years | -27.51% | -23.84% | -3.67% |
Max Drawdown (5Y)Largest decline over 5 years | -46.64% | -25.38% | -21.26% |
Max Drawdown (10Y)Largest decline over 10 years | -48.95% | -38.73% | -10.22% |
Current DrawdownCurrent decline from peak | -0.62% | -18.60% | +17.98% |
Average DrawdownAverage peak-to-trough decline | -28.30% | -13.67% | -14.63% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.96% | 9.32% | -2.36% |
Volatility
BAC vs. AON - Volatility Comparison
The current volatility for Bank of America Corporation (BAC) is 5.53%, while Aon plc (AON) has a volatility of 5.94%. This indicates that BAC experiences smaller price fluctuations and is considered to be less risky than AON based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BAC | AON | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.53% | 5.94% | -0.41% |
Volatility (6M)Calculated over the trailing 6-month period | 16.55% | 19.46% | -2.91% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.62% | 23.57% | -1.95% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.90% | 23.13% | +3.77% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 30.69% | 23.46% | +7.23% |
Dividends
BAC vs. AON - Dividend Comparison
BAC's dividend yield for the trailing twelve months is around 2.73%, more than AON's 0.93% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AON Aon plc | 0.93% | 0.82% | 0.74% | 0.83% | 0.73% | 0.66% | 0.84% | 0.83% | 1.35% | 1.05% | 1.16% | 1.25% |
BAC Bank of America Corporation | 2.73% | 1.96% | 2.28% | 2.73% | 2.60% | 1.75% | 2.38% | 1.87% | 2.19% | 1.32% | 1.13% | 1.19% |
Financials
BAC vs. AON - Financials Comparison
This section allows you to compare key financial metrics between Bank of America Corporation and Aon plc. 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
BAC vs. AON - Profitability Comparison
BAC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Bank of America Corporation reported a gross profit of 28.94B and revenue of 30.27B. Therefore, the gross margin over that period was 95.6%.
AON - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Aon plc reported a gross profit of 2.64B and revenue of 5.03B. Therefore, the gross margin over that period was 52.5%.
BAC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Bank of America Corporation reported an operating income of 10.40B and revenue of 30.27B, resulting in an operating margin of 34.4%.
AON - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Aon plc reported an operating income of 1.72B and revenue of 5.03B, resulting in an operating margin of 34.1%.
BAC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Bank of America Corporation reported a net income of 8.58B and revenue of 30.27B, resulting in a net margin of 28.4%.
AON - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Aon plc reported a net income of 1.21B and revenue of 5.03B, resulting in a net margin of 24.1%.
Frequently Asked Questions
BAC and AON have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AON has higher volatility (5.94%) compared to BAC (5.53%). In terms of maximum drawdown, BAC dropped -93.10% vs AON's -69.05%.
BAC currently has the higher Sharpe Ratio (1.42 vs -0.25), 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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