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Arthur J. Gallagher & Co. (AJG) stock Historical Volatility

10-Day:

23.91%
December 19, 2025

1-Month:

21.29%
December 19, 2025

3-Month:

26.52%
December 19, 2025

1-Year:

25.15%
December 19, 2025

Summary

  • As of today, AJG stock 10-day historical volatility is 23.91%, with the most recent change of -4.09% (-14.61%) on December 19, 2025.

Performance

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AJG Volatility Trends

PeriodPeriod10-Day Volatility10-Day Volatility1-Month Volatility1-Month Volatility3-Month Volatility3-Month Volatility1-Year Volatility1-Year Volatility
1D1 Day-14.6%-15.7%-0.3%0.0%
1M1 Month-6.5%---
3M3 Months-2.4%---
6M6 Months-3.1%---
YTDYTD+53.0%---
1Y1 Year+17.7%---
5Y5 Years+9.8%---

AJG Volatility Highs & Lows

PeriodPeriodHighHighCurrent vs Highvs HighLowLowCurrent vs Lowvs Low
1M1-Month28.00%-14.6%13.98%+71.0%
3M3-Month41.26%-42.1%9.50%+151.7%
6M6-Month41.26%-42.1%9.50%+151.7%
1Y1-Year51.47%-53.5%9.50%+151.7%
3Y3-Year51.47%-53.5%6.16%+288.1%
5Y5-Year51.47%-53.5%6.16%+288.1%
All-TimeAll-Time143.34%-83.3%0.00%>+9999.0%

AJG Volatility History

DateValue
2025
23.91%(+53.0%)
2024
15.63%(-25.6%)
2023
21.00%(+43.3%)
2022
14.65%(-5.7%)
2021
15.54%(-16.1%)
2020
18.52%(+59.7%)
2019
11.60%(-64.2%)
2018
32.43%(+144.0%)
2017
13.29%(+51.5%)
2016
8.77%(-62.8%)
2015
23.60%(+82.4%)
2014
12.94%(+82.8%)
2013
7.08%(-37.3%)
2012
11.29%(-34.7%)
2011
17.28%(+408.2%)
2010
3.40%(-76.3%)
2009
14.35%(-36.1%)
2008
22.46%(-17.5%)
2007
27.23%(+178.7%)
2006
9.77%(-30.3%)
2005
14.02%(+43.2%)
DateValue
2004
9.79%(+30.9%)
2003
7.48%(-63.0%)
2002
20.24%(+100.0%)
2001
10.12%(-71.1%)
2000
35.01%(+24.7%)
1999
28.08%(-9.2%)
1998
30.91%(+83.6%)
1997
16.84%(-3.6%)
1996
17.46%(+11.3%)
1995
15.69%(+14.0%)
1994
13.76%(-37.0%)
1993
21.83%(+69.0%)
1992
12.92%(-33.4%)
1991
19.41%(+92.8%)
1990
10.07%(-45.2%)
1989
18.37%(-18.7%)
1988
22.60%(+30.1%)
1987
17.37%(-28.9%)
1986
24.43%(+37.9%)
1985
17.72%(-22.6%)
1984
22.89%

FAQ

  • What is Arthur J. Gallagher & Co. 10-day historical volatility?
  • What is the all-time high 10-day volatility for Arthur J. Gallagher & Co.?
  • What is AJG 10-day historical volatility year-to-date change?
  • What is Arthur J. Gallagher & Co. 10-day volatility year-on-year change?

What is Arthur J. Gallagher & Co. 10-day historical volatility?

The current 10-day volatility of AJG is 23.91%

What is the all-time high 10-day volatility for Arthur J. Gallagher & Co.?

Arthur J. Gallagher & Co. all-time high 10-day historical volatility is 143.34%

What is AJG 10-day historical volatility year-to-date change?

Arthur J. Gallagher & Co. 10-day historical volatility has changed by +8.28% (+52.98%) since the beginning of the year

What is Arthur J. Gallagher & Co. 10-day volatility year-on-year change?

Over the past year, AJG 10-day historical volatility has changed by +3.60% (+17.73%)
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