AJG vs. ERIE

Last updated Apr 2, 2026

Compare and contrast key facts about Arthur J. Gallagher & Co. (AJG) and Erie Indemnity Company (ERIE).

Performance

AJG vs. ERIE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Arthur J. Gallagher & Co. (AJG) and Erie Indemnity Company (ERIE). The values are adjusted to include any dividend payments, if applicable.

AJG vs. ERIE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AJG Arthur J. Gallagher & Co.	-16.15%	-8.03%	27.34%	20.51%	12.44%	39.02%	32.12%	31.79%	19.19%	25.04%
ERIE Erie Indemnity Company	-13.39%	-29.40%	24.67%	37.35%	32.03%	-19.98%	52.39%	27.08%	12.54%	11.23%

Fundamentals

EPS AJG : $6.15 ERIE : $15.98
PE Ratio AJG : 35.19 ERIE : 15.45
PEG Ratio AJG : 3.78 ERIE : 0.72
PS Ratio AJG : 4.32 ERIE : 2.13
Total Revenue (TTM) AJG : $13.03B ERIE : $4.07B
Gross Profit (TTM) AJG : $7.34B ERIE : $796.81M
EBITDA (TTM) AJG : $3.62B ERIE : $776.91M

Returns By Period

In the year-to-date period, AJG achieves a -16.15% return, which is significantly lower than ERIE's -13.39% return. Over the past 10 years, AJG has outperformed ERIE with an annualized return of 19.05%, while ERIE has yielded a comparatively lower 12.64% annualized return.

AJG

• 1D: -0.11%
• 1M: -5.35%
• YTD: -16.15%
• 6M: -28.86%
• 1Y: -36.46%
• 3Y*: 5.16%
• 5Y*: 12.48%
• 10Y*: 19.05%

ERIE

• 1D: -1.72%
• 1M: -7.41%
• YTD: -13.39%
• 6M: -20.09%
• 1Y: -38.88%
• 3Y*: 3.81%
• 5Y*: 3.90%
• 10Y*: 12.64%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

AJG vs. ERIE — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

AJG

AJG Risk / Return Rank: 4
AJG Sharpe Ratio Rank: 1
AJG Sortino Ratio Rank: 3
AJG Omega Ratio Rank: 4
AJG Calmar Ratio Rank: 7
AJG Martin Ratio Rank: 5

ERIE

ERIE Risk / Return Rank: 5
ERIE Sharpe Ratio Rank: 2
ERIE Sortino Ratio Rank: 4
ERIE Omega Ratio Rank: 5
ERIE Calmar Ratio Rank: 6
ERIE Martin Ratio Rank: 8

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

AJG vs. ERIE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Arthur J. Gallagher & Co. (AJG) and Erie Indemnity Company (ERIE). 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.

	AJG	ERIE	Difference
Sharpe ratio Return per unit of total volatility	-1.28	-1.22	-0.07
Sortino ratio Return per unit of downside risk	-1.76	-1.68	-0.08
Omega ratio Gain probability vs. loss probability	0.77	0.79	-0.02
Calmar ratio Return relative to maximum drawdown	-0.90	-0.92	+0.02
Martin ratio Return relative to average drawdown	-1.66	-1.54	-0.12
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AJG vs. ERIE - Sharpe Ratio Comparison

The current AJG Sharpe Ratio is -1.28, which is comparable to the ERIE Sharpe Ratio of -1.22. The chart below compares the historical Sharpe Ratios of AJG and ERIE, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	AJG	ERIE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-1.28	-1.22	-0.07
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.56	0.14	+0.42
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.84	0.44	+0.40
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	0.25	+0.22

Correlation

The correlation between AJG and ERIE is 0.35, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

AJG vs. ERIE - Dividend Comparison

AJG's dividend yield for the trailing twelve months is around 1.22%, less than ERIE's 2.25% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AJG Arthur J. Gallagher & Co.	1.22%	1.00%	0.85%	0.98%	1.08%	1.13%	1.46%	1.81%	2.23%	2.47%	2.93%	3.62%
ERIE Erie Indemnity Company	2.25%	1.90%	1.24%	1.42%	1.79%	2.15%	2.39%	2.17%	2.52%	2.57%	1.95%	3.61%

Drawdowns

AJG vs. ERIE - Drawdown Comparison

The maximum AJG drawdown since its inception was -57.49%, smaller than the maximum ERIE drawdown of -78.28%. Use the drawdown chart below to compare losses from any high point for AJG and ERIE.

Drawdown Indicators

	AJG	ERIE	Difference
Max Drawdown Largest peak-to-trough decline	-57.49%	-78.28%	+20.79%
Max Drawdown (1Y) Largest decline over 1 year	-40.88%	-43.55%	+2.67%
Max Drawdown (5Y) Largest decline over 5 years	-40.88%	-55.67%	+14.79%
Max Drawdown (10Y) Largest decline over 10 years	-40.88%	-55.67%	+14.79%
Current Drawdown Current decline from peak	-37.36%	-53.63%	+16.27%
Average Drawdown Average peak-to-trough decline	-12.71%	-33.42%	+20.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	22.11%	25.95%	-3.84%

Volatility

AJG vs. ERIE - Volatility Comparison

Arthur J. Gallagher & Co. (AJG) and Erie Indemnity Company (ERIE) have volatilities of 9.13% and 9.01%, 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.

Volatility by Period

	AJG	ERIE	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.13%	9.01%	+0.12%
Volatility (6M) Calculated over the trailing 6-month period	22.20%	22.17%	+0.03%
Volatility (1Y) Calculated over the trailing 1-year period	28.52%	32.14%	-3.62%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.55%	28.70%	-6.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.83%	28.81%	-5.98%

Financials

AJG vs. ERIE - Profitability Comparison

The chart below illustrates the profitability comparison between Arthur J. Gallagher & Co. and Erie Indemnity Company over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

AJG - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Arthur J. Gallagher & Co. reported a gross profit of 3.05B and revenue of 3.37B. Therefore, the gross margin over that period was 90.6%.

ERIE - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Erie Indemnity Company reported a gross profit of 0.00 and revenue of 713.69M. Therefore, the gross margin over that period was 0.0%.

AJG - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Arthur J. Gallagher & Co. reported an operating income of 536.60M and revenue of 3.37B, resulting in an operating margin of 15.9%.

ERIE - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Erie Indemnity Company reported an operating income of 156.38M and revenue of 713.69M, resulting in an operating margin of 21.9%.

AJG - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Arthur J. Gallagher & Co. reported a net income of 272.70M and revenue of 3.37B, resulting in a net margin of 8.1%.

ERIE - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Erie Indemnity Company reported a net income of 63.38M and revenue of 713.69M, resulting in a net margin of 8.9%.