What is the current 10-day volatility of ACGL?

As of today, ACGL 10-day volatility is 19.12%

What 10-day volatility category does ACGL fall into?

Based on its current 10-day historical volatility, ACGL falls into the low volatility category

What is ACGL 10-day volatility 1-year high?

ACGL 10-day volatility reached a 1-year high of 36.70% on February 18, 2026

What is ACGL 10-day volatility 1-year low?

ACGL 10-day volatility reached a 1-year low of 7.11% on March 2, 2026

What is the current 1-month volatility of ACGL?

As of today, ACGL 1-month volatility is 18.10%

What 1-month volatility category does ACGL fall into?

Based on its current 1-month historical volatility, ACGL falls into the low volatility category

What is ACGL 1-month volatility 1-year high?

ACGL 1-month volatility reached a 1-year high of 30.73% on July 30, 2026

What is ACGL 1-month volatility 1-year low?

ACGL 1-month volatility reached a 1-year low of 12.78% on December 5, 2025

What is the current 3-month volatility of ACGL?

As of today, ACGL 3-month volatility is 22.83%

What 3-month volatility category does ACGL fall into?

Based on its current 3-month historical volatility, ACGL falls into the low volatility category

What is ACGL 3-month volatility 1-year high?

ACGL 3-month volatility reached a 1-year high of 25.20% on July 28, 2026

What is ACGL 3-month volatility 1-year low?

ACGL 3-month volatility reached a 1-year low of 15.56% on January 28, 2026

What is the current 1-year volatility of ACGL?

As of today, ACGL 1-year volatility is 20.88%

What 1-year volatility category does ACGL fall into?

Based on its current 1-year historical volatility, ACGL falls into the low volatility category

What is ACGL 1-year volatility 1-year high?

ACGL 1-year volatility reached a 1-year high of 27.49% on October 3, 2025

What is ACGL 1-year volatility 1-year low?

ACGL 1-year volatility reached a 1-year low of 20.60% on June 15, 2026

ACGL Stock Volatility History & Chart Since 1995

10-Day

19.12%

September 18, 2026

Summary

Current Value: As of today, ACGL 10-day volatility is 19.12%, down -10.70% on September 18, 2026
Value Category: Based on its current 10-day historical volatility, ACGL falls into the low volatility category
1-Year High: ACGL 10-day volatility reached a 1-year high of 36.70% on February 18, 2026
1-Year Low: ACGL 10-day volatility reached a 1-year low of 7.11% on March 2, 2026

10-Day Volatility Chart

Performance

ACGL Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 18, 26	19.12%	-10.7%	+61.1%	-14.0%	+107.2%	-21.8%	-3.2%	-18.8%
1-Month Volatility	Sep 18, 26	18.10%	+0.7%	-23.6%	-19.6%	+39.2%	-13.1%	+0.6%	-8.9%
3-Month Volatility	Sep 18, 26	22.83%	-0.7%	-6.4%	+6.8%	+27.3%	+3.2%	+2.8%	+5.3%
1-Year Volatility	Sep 18, 26	20.88%	+0.1%	-1.0%	+1.2%	-14.2%	-23.6%	-27.1%	-23.5%
14-Day RSI	Sep 18, 26	44.81	+2.2%	-8.0%	-2.9%	-24.5%	+6.4%	-31.9%	+4.0%
Beta	Sep 18, 26	-0.30	0.0%	0.0%	-50.0%	-169.8%	-153.6%	-144.8%	-128.6%
ATR	Sep 18, 26	$1.88	+1.1%	-14.1%	+4.1%	+45.3%	+8.4%	+31.0%	+145.1%
Price	Sep 18, 26	$96.89	+0.2%	-2.0%	+6.3%	+1.0%	+9.9%	+20.3%	+146.5%
200-Day SMA	Sep 18, 26	$96.28	+0.0%	+0.9%	+3.1%	+5.5%	+4.9%	+36.8%	+154.3%
50-Day SMA	Sep 18, 26	$99.42	-0.1%	+1.3%	+5.9%	+8.3%	+10.8%	+28.2%	+149.8%
20-Day SMA	Sep 18, 26	$98.10	-0.1%	-2.1%	+7.5%	+3.6%	+7.8%	+27.6%	+142.9%

10-Day Volatility History

Date	Value	Change
Sep 18, 2026	19.12%	+107.2%
Dec 31, 2025	9.23%	-51.0%
Dec 31, 2024	18.85%	+13.6%
Dec 31, 2023	16.60%	-21.1%
Dec 31, 2022	21.05%	+14.3%
Dec 31, 2021	18.42%	-15.5%
Dec 31, 2020	21.80%	+76.4%
Dec 31, 2019	12.36%	-66.7%
Dec 31, 2018	37.09%	+132.4%
Dec 31, 2017	15.96%	+166.0%
Dec 31, 2016	6.00%	-42.1%
Dec 31, 2015	10.37%	-11.5%
Dec 31, 2014	11.72%	+0.9%
Dec 31, 2013	11.61%	-18.7%
Dec 31, 2012	14.28%	-7.0%
Dec 31, 2011	15.35%	+180.6%

Date	Value	Change
Dec 31, 2010	5.47%	-55.5%
Dec 31, 2009	12.28%	-67.0%
Dec 31, 2008	37.21%	+113.9%
Dec 31, 2007	17.40%	+102.1%
Dec 31, 2006	8.61%	-46.5%
Dec 31, 2005	16.09%	-3.2%
Dec 31, 2004	16.62%	+44.5%
Dec 31, 2003	11.50%	-54.0%
Dec 31, 2002	24.98%	+12.1%
Dec 31, 2001	22.28%	-15.6%
Dec 31, 2000	26.39%	-57.0%
Dec 31, 1999	61.33%	+55.8%
Dec 31, 1998	39.36%	-14.0%
Dec 31, 1997	45.75%	+13.7%
Dec 31, 1996	40.23%	-42.9%
Dec 31, 1995	70.50%	-

FAQ

What is the current 10-day volatility of ACGL?: As of today, ACGL 10-day volatility is 19.12%
What 10-day volatility category does ACGL fall into?: Based on its current 10-day historical volatility, ACGL falls into the low volatility category
What is ACGL 10-day volatility 1-year high?: ACGL 10-day volatility reached a 1-year high of 36.70% on February 18, 2026
What is ACGL 10-day volatility 1-year low?: ACGL 10-day volatility reached a 1-year low of 7.11% on March 2, 2026

1-Month

18.10%

September 18, 2026

Summary

Current Value: As of today, ACGL 1-month volatility is 18.10%, up +0.72% on September 18, 2026
Value Category: Based on its current 1-month historical volatility, ACGL falls into the low volatility category
1-Year High: ACGL 1-month volatility reached a 1-year high of 30.73% on July 30, 2026
1-Year Low: ACGL 1-month volatility reached a 1-year low of 12.78% on December 5, 2025

Performance

ACGL Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 18, 26	18.10%	+0.7%	-23.6%	-19.6%	+39.2%	-13.1%	+0.6%	-8.9%
10-Day Volatility	Sep 18, 26	19.12%	-10.7%	+61.1%	-14.0%	+107.2%	-21.8%	-3.2%	-18.8%
3-Month Volatility	Sep 18, 26	22.83%	-0.7%	-6.4%	+6.8%	+27.3%	+3.2%	+2.8%	+5.3%
1-Year Volatility	Sep 18, 26	20.88%	+0.1%	-1.0%	+1.2%	-14.2%	-23.6%	-27.1%	-23.5%
14-Day RSI	Sep 18, 26	44.81	+2.2%	-8.0%	-2.9%	-24.5%	+6.4%	-31.9%	+4.0%
Beta	Sep 18, 26	-0.30	0.0%	0.0%	-50.0%	-169.8%	-153.6%	-144.8%	-128.6%
ATR	Sep 18, 26	$1.88	+1.1%	-14.1%	+4.1%	+45.3%	+8.4%	+31.0%	+145.1%
Price	Sep 18, 26	$96.89	+0.2%	-2.0%	+6.3%	+1.0%	+9.9%	+20.3%	+146.5%
200-Day SMA	Sep 18, 26	$96.28	+0.0%	+0.9%	+3.1%	+5.5%	+4.9%	+36.8%	+154.3%
50-Day SMA	Sep 18, 26	$99.42	-0.1%	+1.3%	+5.9%	+8.3%	+10.8%	+28.2%	+149.8%
20-Day SMA	Sep 18, 26	$98.10	-0.1%	-2.1%	+7.5%	+3.6%	+7.8%	+27.6%	+142.9%

1-Month Volatility History

Date	Value	Change
Sep 18, 2026	17.52%	+33.8%
Dec 31, 2025	13.09%	-32.5%
Dec 31, 2024	19.38%	-20.8%
Dec 31, 2023	24.46%	+22.8%
Dec 31, 2022	19.92%	+6.4%
Dec 31, 2021	18.73%	-38.6%
Dec 31, 2020	30.51%	+106.6%
Dec 31, 2019	14.77%	-45.8%
Dec 31, 2018	27.25%	+81.7%
Dec 31, 2017	15.00%	+28.6%
Dec 31, 2016	11.66%	-13.8%
Dec 31, 2015	13.52%	+16.1%
Dec 31, 2014	11.65%	-10.4%
Dec 31, 2013	13.00%	+13.2%
Dec 31, 2012	11.48%	-22.8%
Dec 31, 2011	14.87%	+72.7%

Date	Value	Change
Dec 31, 2010	8.61%	-25.1%
Dec 31, 2009	11.49%	-76.4%
Dec 31, 2008	48.72%	+101.0%
Dec 31, 2007	24.24%	+226.2%
Dec 31, 2006	7.43%	-56.1%
Dec 31, 2005	16.93%	+6.4%
Dec 31, 2004	15.91%	+10.4%
Dec 31, 2003	14.41%	-47.4%
Dec 31, 2002	27.37%	+16.7%
Dec 31, 2001	23.45%	+3.4%
Dec 31, 2000	22.68%	-59.3%
Dec 31, 1999	55.78%	+38.7%
Dec 31, 1998	40.22%	+18.9%
Dec 31, 1997	33.82%	-4.4%
Dec 31, 1996	35.36%	-31.3%
Dec 31, 1995	51.48%	-

FAQ

What is the current 1-month volatility of ACGL?: As of today, ACGL 1-month volatility is 18.10%
What 1-month volatility category does ACGL fall into?: Based on its current 1-month historical volatility, ACGL falls into the low volatility category
What is ACGL 1-month volatility 1-year high?: ACGL 1-month volatility reached a 1-year high of 30.73% on July 30, 2026
What is ACGL 1-month volatility 1-year low?: ACGL 1-month volatility reached a 1-year low of 12.78% on December 5, 2025

3-Month

22.83%

September 18, 2026

Summary

Current Value: As of today, ACGL 3-month volatility is 22.83%, down -0.74% on September 18, 2026
Value Category: Based on its current 3-month historical volatility, ACGL falls into the low volatility category
1-Year High: ACGL 3-month volatility reached a 1-year high of 25.20% on July 28, 2026
1-Year Low: ACGL 3-month volatility reached a 1-year low of 15.56% on January 28, 2026

Performance

ACGL Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 18, 26	22.83%	-0.7%	-6.4%	+6.8%	+27.3%	+3.2%	+2.8%	+5.3%
10-Day Volatility	Sep 18, 26	19.12%	-10.7%	+61.1%	-14.0%	+107.2%	-21.8%	-3.2%	-18.8%
1-Month Volatility	Sep 18, 26	18.10%	+0.7%	-23.6%	-19.6%	+39.2%	-13.1%	+0.6%	-8.9%
1-Year Volatility	Sep 18, 26	20.88%	+0.1%	-1.0%	+1.2%	-14.2%	-23.6%	-27.1%	-23.5%
14-Day RSI	Sep 18, 26	44.81	+2.2%	-8.0%	-2.9%	-24.5%	+6.4%	-31.9%	+4.0%
Beta	Sep 18, 26	-0.30	0.0%	0.0%	-50.0%	-169.8%	-153.6%	-144.8%	-128.6%
ATR	Sep 18, 26	$1.88	+1.1%	-14.1%	+4.1%	+45.3%	+8.4%	+31.0%	+145.1%
Price	Sep 18, 26	$96.89	+0.2%	-2.0%	+6.3%	+1.0%	+9.9%	+20.3%	+146.5%
200-Day SMA	Sep 18, 26	$96.28	+0.0%	+0.9%	+3.1%	+5.5%	+4.9%	+36.8%	+154.3%
50-Day SMA	Sep 18, 26	$99.42	-0.1%	+1.3%	+5.9%	+8.3%	+10.8%	+28.2%	+149.8%
20-Day SMA	Sep 18, 26	$98.10	-0.1%	-2.1%	+7.5%	+3.6%	+7.8%	+27.6%	+142.9%

3-Month Volatility History

Date	Value	Change
Sep 18, 2026	22.83%	+28.1%
Dec 31, 2025	17.82%	-41.8%
Dec 31, 2024	30.60%	+9.0%
Dec 31, 2023	28.07%	-18.9%
Dec 31, 2022	34.63%	+44.6%
Dec 31, 2021	23.95%	-35.7%
Dec 31, 2020	37.24%	+113.0%
Dec 31, 2019	17.48%	-25.6%
Dec 31, 2018	23.48%	+68.3%
Dec 31, 2017	13.95%	-7.2%
Dec 31, 2016	15.03%	+11.4%
Dec 31, 2015	13.49%	+13.7%
Dec 31, 2014	11.86%	-0.3%
Dec 31, 2013	11.90%	-22.2%
Dec 31, 2012	15.30%	-35.8%
Dec 31, 2011	23.83%	+94.7%

Date	Value	Change
Dec 31, 2010	12.24%	-17.0%
Dec 31, 2009	14.74%	-77.0%
Dec 31, 2008	64.00%	+177.7%
Dec 31, 2007	23.05%	+62.1%
Dec 31, 2006	14.22%	-39.6%
Dec 31, 2005	23.55%	+21.1%
Dec 31, 2004	19.44%	+2.9%
Dec 31, 2003	18.90%	-25.9%
Dec 31, 2002	25.51%	-68.4%
Dec 31, 2001	80.70%	+203.3%
Dec 31, 2000	26.61%	-46.4%
Dec 31, 1999	49.64%	+0.3%
Dec 31, 1998	49.47%	+50.7%
Dec 31, 1997	32.83%	+7.1%
Dec 31, 1996	30.64%	-16.8%
Dec 31, 1995	36.83%	-

FAQ

What is the current 3-month volatility of ACGL?: As of today, ACGL 3-month volatility is 22.83%
What 3-month volatility category does ACGL fall into?: Based on its current 3-month historical volatility, ACGL falls into the low volatility category
What is ACGL 3-month volatility 1-year high?: ACGL 3-month volatility reached a 1-year high of 25.20% on July 28, 2026
What is ACGL 3-month volatility 1-year low?: ACGL 3-month volatility reached a 1-year low of 15.56% on January 28, 2026

1-Year

20.88%

September 18, 2026

Summary

Current Value: As of today, ACGL 1-year volatility is 20.88%, up +0.10% on September 18, 2026
Value Category: Based on its current 1-year historical volatility, ACGL falls into the low volatility category
1-Year High: ACGL 1-year volatility reached a 1-year high of 27.49% on October 3, 2025
1-Year Low: ACGL 1-year volatility reached a 1-year low of 20.60% on June 15, 2026

Performance

ACGL Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 18, 26	20.88%	+0.1%	-1.0%	+1.2%	-14.2%	-23.6%	-27.1%	-23.5%
10-Day Volatility	Sep 18, 26	19.12%	-10.7%	+61.1%	-14.0%	+107.2%	-21.8%	-3.2%	-18.8%
1-Month Volatility	Sep 18, 26	18.10%	+0.7%	-23.6%	-19.6%	+39.2%	-13.1%	+0.6%	-8.9%
3-Month Volatility	Sep 18, 26	22.83%	-0.7%	-6.4%	+6.8%	+27.3%	+3.2%	+2.8%	+5.3%
1-Year Volatility	Sep 18, 26	20.88%	+0.1%	-1.0%	+1.2%	-14.2%	-23.6%	-27.1%	-23.5%
14-Day RSI	Sep 18, 26	44.81	+2.2%	-8.0%	-2.9%	-24.5%	+6.4%	-31.9%	+4.0%
Beta	Sep 18, 26	-0.30	0.0%	0.0%	-50.0%	-169.8%	-153.6%	-144.8%	-128.6%
ATR	Sep 18, 26	$1.88	+1.1%	-14.1%	+4.1%	+45.3%	+8.4%	+31.0%	+145.1%
Price	Sep 18, 26	$96.89	+0.2%	-2.0%	+6.3%	+1.0%	+9.9%	+20.3%	+146.5%
200-Day SMA	Sep 18, 26	$96.28	+0.0%	+0.9%	+3.1%	+5.5%	+4.9%	+36.8%	+154.3%
50-Day SMA	Sep 18, 26	$99.42	-0.1%	+1.3%	+5.9%	+8.3%	+10.8%	+28.2%	+149.8%
20-Day SMA	Sep 18, 26	$98.10	-0.1%	-2.1%	+7.5%	+3.6%	+7.8%	+27.6%	+142.9%

1-Year Volatility History

Date	Value	Change
Sep 18, 2026	20.84%	-14.4%
Dec 31, 2025	24.34%	+5.6%
Dec 31, 2024	23.06%	-9.7%
Dec 31, 2023	25.55%	-8.4%
Dec 31, 2022	27.88%	+22.7%
Dec 31, 2021	22.73%	-60.3%
Dec 31, 2020	57.26%	+227.4%
Dec 31, 2019	17.49%	-11.4%
Dec 31, 2018	19.74%	+40.5%
Dec 31, 2017	14.05%	-13.9%
Dec 31, 2016	16.31%	+12.7%
Dec 31, 2015	14.47%	+20.6%
Dec 31, 2014	12.00%	-11.5%
Dec 31, 2013	13.56%	-7.2%
Dec 31, 2012	14.61%	-38.1%
Dec 31, 2011	23.62%	+48.1%

Date	Value	Change
Dec 31, 2010	15.95%	-53.3%
Dec 31, 2009	34.14%	-13.2%
Dec 31, 2008	39.31%	+89.2%
Dec 31, 2007	20.78%	+26.2%
Dec 31, 2006	16.47%	-14.3%
Dec 31, 2005	19.22%	+1.7%
Dec 31, 2004	18.89%	-16.9%
Dec 31, 2003	22.73%	-24.7%
Dec 31, 2002	30.20%	-42.6%
Dec 31, 2001	52.60%	+60.1%
Dec 31, 2000	32.86%	-42.1%
Dec 31, 1999	56.73%	+28.0%
Dec 31, 1998	44.31%	+56.4%
Dec 31, 1997	28.34%	+3.7%
Dec 31, 1996	27.33%	-22.6%
Dec 31, 1995	35.31%	-

FAQ

What is the current 1-year volatility of ACGL?: As of today, ACGL 1-year volatility is 20.88%
What 1-year volatility category does ACGL fall into?: Based on its current 1-year historical volatility, ACGL falls into the low volatility category
What is ACGL 1-year volatility 1-year high?: ACGL 1-year volatility reached a 1-year high of 27.49% on October 3, 2025
What is ACGL 1-year volatility 1-year low?: ACGL 1-year volatility reached a 1-year low of 20.60% on June 15, 2026

Data Sources & References

ACGL Official Website www.archgroup.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/947484/000094748426000010/0000947484-26-000010-index.htm
ACGL Profile on Yahoo Finance finance.yahoo.com/quote/ACGL
ACGL Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/acgl