Arthur J. Gallagher & Co. company logo
Arthur J. Gallagher & Co. logo

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

10-Day

29.11%

Summary

Current Value
As of today, AJG 10-day volatility is 29.11%, up +0.24% on
Value Category
Based on its current 10-day historical volatility, AJG falls into the moderate volatility category
1-Year High
AJG 10-day volatility reached a 1-year high of 57.92% on
1-Year Low
AJG 10-day volatility reached a 1-year low of 9.50% on

10-Day Volatility Chart

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Series
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Performance

AJG Performance
MetricDateValue1D1M3MYTD1Y3Y5Y
10-Day Volatility29.11%+0.2%+32.6%+116.6%+116.6%+58.6%+75.3%+12.7%
1-Month Volatility30.69%-2.3%-33.5%+46.3%+46.3%+33.3%+17.2%+42.5%
3-Month Volatility35.09%-0.8%+6.4%+31.1%+31.1%+67.3%+63.3%+61.9%
1-Year Volatility28.59%0.0%+2.1%+13.5%+13.5%+52.2%+11.6%+8.7%
14-Day RSI49.37-0.4%+0.0%-10.7%-10.7%-23.7%-15.9%-14.6%
Beta0.31-3.1%0.0%+3.3%+3.3%+29.2%-60.8%-65.6%
ATR$6.73-2.7%-13.8%+50.2%+50.2%+11.0%+87.8%+193.0%
Price$216.34-0.1%-5.2%-16.4%-16.4%-37.1%+13.1%+70.9%
200-Day SMA$268.68-0.2%-4.8%-10.5%-10.5%-8.7%+46.6%+140.1%
50-Day SMA$223.74-0.3%-8.2%-12.3%-12.3%-30.8%+18.3%+84.6%

10-Day Volatility History

DateValueChange
29.11%+116.6%
13.44%-14.0%
15.63%-25.6%
21.00%+43.3%
14.65%-5.7%
15.54%-16.1%
18.52%+59.7%
11.60%-64.2%
32.43%+144.0%
13.29%+51.5%
8.77%-62.8%
23.60%+82.4%
12.94%+82.8%
7.08%-37.3%
11.29%-34.7%
17.28%+408.2%
3.40%-76.3%
14.35%-36.1%
22.46%-17.5%
27.23%+178.7%
9.77%-30.3%
14.02%+43.2%
DateValueChange
9.79%+30.9%
7.48%-63.0%
20.24%+100.0%
10.12%-71.1%
35.01%+24.7%
28.08%-9.2%
30.91%+83.6%
16.84%-3.6%
17.46%+11.3%
15.69%+14.0%
13.76%-37.0%
21.83%+69.0%
12.92%-33.4%
19.41%+92.8%
10.07%-45.2%
18.37%-18.7%
22.60%+30.1%
17.37%-28.9%
24.43%+37.9%
17.72%-22.6%
22.89%-

FAQ

  • What is the current 10-day volatility of AJG?

    As of today, AJG 10-day volatility is 29.11%

  • What 10-day volatility category does AJG fall into?

    Based on its current 10-day historical volatility, AJG falls into the moderate volatility category

  • What is AJG 10-day volatility 1-year high?

    AJG 10-day volatility reached a 1-year high of 57.92% on February 19, 2026

  • What is AJG 10-day volatility 1-year low?

    AJG 10-day volatility reached a 1-year low of 9.50% on September 29, 2025

Data Sources & References

  1. AJG Official Website www.ajg.com
  2. Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/354190/000119312526029407/0001193125-26-029407-index.htm
  3. Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/354190/000119312526029407/0001193125-26-029407-index.htm
  4. AJG Profile on Yahoo Finance finance.yahoo.com/quote/AJG
  5. AJG Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ajg