What is the current 10-day volatility of SIGI?

As of today, SIGI 10-day volatility is 24.03%

What 10-day volatility category does SIGI fall into?

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

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

SIGI 10-day volatility reached a 1-year high of 95.60% on July 29, 2025

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

SIGI 10-day volatility reached a 1-year low of 10.66% on June 18, 2025

What is the current 1-month volatility of SIGI?

As of today, SIGI 1-month volatility is 21.69%

What 1-month volatility category does SIGI fall into?

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

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

SIGI 1-month volatility reached a 1-year high of 67.95% on July 27, 2025

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

SIGI 1-month volatility reached a 1-year low of 14.64% on December 7, 2025

What is the current 3-month volatility of SIGI?

As of today, SIGI 3-month volatility is 19.66%

What 3-month volatility category does SIGI fall into?

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

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

SIGI 3-month volatility reached a 1-year high of 42.96% on October 23, 2025

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

SIGI 3-month volatility reached a 1-year low of 19.39% on January 23, 2026

What is the current 1-year volatility of SIGI?

As of today, SIGI 1-year volatility is 32.54%

What 1-year volatility category does SIGI fall into?

Based on its current 1-year historical volatility, SIGI falls into the moderate volatility category

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

SIGI 1-year volatility reached a 1-year high of 33.66% on April 26, 2025

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

SIGI 1-year volatility reached a 1-year low of 27.63% on July 23, 2025

SIGI Stock Volatility History & Chart Since 1980

10-Day

24.03%

January 28, 2026

Summary

Current Value: As of today, SIGI 10-day volatility is 24.03%, down -1.23% on January 28, 2026
Value Category: Based on its current 10-day historical volatility, SIGI falls into the low volatility category
1-Year High: SIGI 10-day volatility reached a 1-year high of 95.60% on July 29, 2025
1-Year Low: SIGI 10-day volatility reached a 1-year low of 10.66% on June 18, 2025

10-Day Volatility Chart

Performance

SIGI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Jan 28, 26	24.03%	-1.2%	+56.1%	-39.6%	+87.4%	+9.6%	-17.9%	+33.4%
1-Month Volatility	Jan 28, 26	21.69%	+0.8%	+16.4%	-32.6%	+18.0%	+7.5%	-21.4%	-31.3%
3-Month Volatility	Jan 28, 26	19.66%	-1.4%	-19.1%	-24.4%	-18.2%	-19.8%	-19.9%	-40.9%
1-Year Volatility	Jan 28, 26	32.54%	+0.2%	+0.1%	-2.3%	+0.2%	+8.4%	+23.5%	-36.9%
14-Day RSI	Jan 28, 26	46.73	+7.0%	-25.2%	+28.9%	-20.3%	-14.6%	-11.8%	-5.6%
Beta	Jan 28, 26	0.39	+2.6%	+5.4%	-17.0%	+5.4%	-23.5%	-22.0%	-66.4%
ATR	Jan 28, 26	$1.86	+0.0%	+1.5%	-21.8%	+7.1%	-9.4%	-27.0%	-1.2%
Price	Jan 28, 26	$81.37	+0.9%	-3.2%	+7.6%	-2.8%	-14.5%	-12.3%	+21.1%
200-Day SMA	Jan 28, 26	$82.59	-0.0%	-0.7%	-2.5%	-0.7%	-12.2%	-3.1%	+45.8%
50-Day SMA	Jan 28, 26	$81.41	+0.1%	+2.5%	+2.0%	+2.4%	-14.8%	-11.1%	+22.8%

10-Day Volatility History

Date	Value	Change
Jan 28, 2026	24.03%	+87.4%
Dec 31, 2025	12.82%	-44.3%
Dec 31, 2024	23.01%	+85.0%
Dec 31, 2023	12.44%	-51.9%
Dec 31, 2022	25.87%	-0.7%
Dec 31, 2021	26.05%	+79.9%
Dec 31, 2020	14.48%	-7.1%
Dec 31, 2019	15.58%	-59.4%
Dec 31, 2018	38.42%	+118.5%
Dec 31, 2017	17.58%	+42.9%
Dec 31, 2016	12.30%	-53.1%
Dec 31, 2015	26.25%	+186.3%
Dec 31, 2014	9.17%	-27.0%
Dec 31, 2013	12.56%	-36.9%
Dec 31, 2012	19.92%	-16.4%
Dec 31, 2011	23.82%	+77.4%
Dec 31, 2010	13.43%	-36.9%
Dec 31, 2009	21.27%	-52.2%
Dec 31, 2008	44.48%	+23.6%
Dec 31, 2007	35.98%	+162.6%
Dec 31, 2006	13.70%	-18.3%
Dec 31, 2005	16.76%	-21.0%
Dec 31, 2004	21.22%	-14.2%
Dec 31, 2003	24.72%	+39.6%

Date	Value	Change
Dec 31, 2002	17.71%	-75.6%
Dec 31, 2001	72.61%	+73.1%
Dec 31, 2000	41.95%	+142.5%
Dec 31, 1999	17.30%	-43.5%
Dec 31, 1998	30.63%	-51.4%
Dec 31, 1997	63.07%	+606.3%
Dec 31, 1996	8.93%	-59.1%
Dec 31, 1995	21.86%	-32.4%
Dec 31, 1994	32.36%	+31.5%
Dec 31, 1993	24.60%	+16.1%
Dec 31, 1992	21.19%	-44.7%
Dec 31, 1991	38.35%	-8.1%
Dec 31, 1990	41.73%	+27.2%
Dec 31, 1989	32.80%	+96.2%
Dec 31, 1988	16.72%	-54.3%
Dec 31, 1987	36.55%	+116.7%
Dec 31, 1986	16.87%	-30.2%
Dec 31, 1985	24.17%	+121.1%
Dec 31, 1984	10.93%	-58.4%
Dec 31, 1983	26.27%	+78.7%
Dec 31, 1982	14.70%	+2.0%
Dec 31, 1981	14.41%	-42.1%
Dec 31, 1980	24.88%	-

FAQ

What is the current 10-day volatility of SIGI?
As of today, SIGI 10-day volatility is 24.03%
What 10-day volatility category does SIGI fall into?
Based on its current 10-day historical volatility, SIGI falls into the low volatility category
What is SIGI 10-day volatility 1-year high?
SIGI 10-day volatility reached a 1-year high of 95.60% on July 29, 2025
What is SIGI 10-day volatility 1-year low?
SIGI 10-day volatility reached a 1-year low of 10.66% on June 18, 2025

1-Month

21.69%

January 28, 2026

Summary

Current Value: As of today, SIGI 1-month volatility is 21.69%, up +0.84% on January 28, 2026
Value Category: Based on its current 1-month historical volatility, SIGI falls into the low volatility category
1-Year High: SIGI 1-month volatility reached a 1-year high of 67.95% on July 27, 2025
1-Year Low: SIGI 1-month volatility reached a 1-year low of 14.64% on December 7, 2025

Performance

SIGI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Jan 28, 26	21.69%	+0.8%	+16.4%	-32.6%	+18.0%	+7.5%	-21.4%	-31.3%
10-Day Volatility	Jan 28, 26	24.03%	-1.2%	+56.1%	-39.6%	+87.4%	+9.6%	-17.9%	+33.4%
3-Month Volatility	Jan 28, 26	19.66%	-1.4%	-19.1%	-24.4%	-18.2%	-19.8%	-19.9%	-40.9%
1-Year Volatility	Jan 28, 26	32.54%	+0.2%	+0.1%	-2.3%	+0.2%	+8.4%	+23.5%	-36.9%
14-Day RSI	Jan 28, 26	46.73	+7.0%	-25.2%	+28.9%	-20.3%	-14.6%	-11.8%	-5.6%
Beta	Jan 28, 26	0.39	+2.6%	+5.4%	-17.0%	+5.4%	-23.5%	-22.0%	-66.4%
ATR	Jan 28, 26	$1.86	+0.0%	+1.5%	-21.8%	+7.1%	-9.4%	-27.0%	-1.2%
Price	Jan 28, 26	$81.37	+0.9%	-3.2%	+7.6%	-2.8%	-14.5%	-12.3%	+21.1%
200-Day SMA	Jan 28, 26	$82.59	-0.0%	-0.7%	-2.5%	-0.7%	-12.2%	-3.1%	+45.8%
50-Day SMA	Jan 28, 26	$81.41	+0.1%	+2.5%	+2.0%	+2.4%	-14.8%	-11.1%	+22.8%

1-Month Volatility History

Date	Value	Change
Jan 28, 2026	21.32%	+18.6%
Dec 31, 2025	17.97%	+0.4%
Dec 31, 2024	17.89%	-9.4%
Dec 31, 2023	19.75%	-19.1%
Dec 31, 2022	24.41%	-8.0%
Dec 31, 2021	26.53%	+30.0%
Dec 31, 2020	20.41%	+50.8%
Dec 31, 2019	13.53%	-57.3%
Dec 31, 2018	31.72%	+115.2%
Dec 31, 2017	14.74%	-21.8%
Dec 31, 2016	18.85%	-28.7%
Dec 31, 2015	26.45%	+81.2%
Dec 31, 2014	14.60%	-11.1%
Dec 31, 2013	16.42%	-5.6%
Dec 31, 2012	17.40%	-32.0%
Dec 31, 2011	25.57%	+51.8%
Dec 31, 2010	16.85%	-27.2%
Dec 31, 2009	23.15%	-72.2%
Dec 31, 2008	83.27%	+104.7%
Dec 31, 2007	40.68%	+240.4%
Dec 31, 2006	11.95%	-42.3%
Dec 31, 2005	20.72%	-16.8%
Dec 31, 2004	24.91%	+16.0%
Dec 31, 2003	21.48%	+28.3%

Date	Value	Change
Dec 31, 2002	16.74%	-67.8%
Dec 31, 2001	52.04%	+2.4%
Dec 31, 2000	50.82%	+261.7%
Dec 31, 1999	14.05%	-51.3%
Dec 31, 1998	28.83%	-37.6%
Dec 31, 1997	46.22%	+181.3%
Dec 31, 1996	16.43%	-8.4%
Dec 31, 1995	17.93%	-40.1%
Dec 31, 1994	29.93%	+27.3%
Dec 31, 1993	23.51%	+5.6%
Dec 31, 1992	22.27%	-42.4%
Dec 31, 1991	38.67%	+7.2%
Dec 31, 1990	36.06%	+4.1%
Dec 31, 1989	34.64%	+65.9%
Dec 31, 1988	20.88%	-30.8%
Dec 31, 1987	30.19%	+58.9%
Dec 31, 1986	19.00%	-36.5%
Dec 31, 1985	29.93%	+33.4%
Dec 31, 1984	22.44%	-30.6%
Dec 31, 1983	32.35%	+48.5%
Dec 31, 1982	21.79%	+49.6%
Dec 31, 1981	14.57%	-42.3%
Dec 31, 1980	25.23%	-

FAQ

What is the current 1-month volatility of SIGI?
As of today, SIGI 1-month volatility is 21.69%
What 1-month volatility category does SIGI fall into?
Based on its current 1-month historical volatility, SIGI falls into the low volatility category
What is SIGI 1-month volatility 1-year high?
SIGI 1-month volatility reached a 1-year high of 67.95% on July 27, 2025
What is SIGI 1-month volatility 1-year low?
SIGI 1-month volatility reached a 1-year low of 14.64% on December 7, 2025

3-Month

19.66%

January 28, 2026

Summary

Current Value: As of today, SIGI 3-month volatility is 19.66%, down -1.45% on January 28, 2026
Value Category: Based on its current 3-month historical volatility, SIGI falls into the low volatility category
1-Year High: SIGI 3-month volatility reached a 1-year high of 42.96% on October 23, 2025
1-Year Low: SIGI 3-month volatility reached a 1-year low of 19.39% on January 23, 2026

Performance

SIGI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Jan 28, 26	19.66%	-1.4%	-19.1%	-24.4%	-18.2%	-19.8%	-19.9%	-40.9%
10-Day Volatility	Jan 28, 26	24.03%	-1.2%	+56.1%	-39.6%	+87.4%	+9.6%	-17.9%	+33.4%
1-Month Volatility	Jan 28, 26	21.69%	+0.8%	+16.4%	-32.6%	+18.0%	+7.5%	-21.4%	-31.3%
1-Year Volatility	Jan 28, 26	32.54%	+0.2%	+0.1%	-2.3%	+0.2%	+8.4%	+23.5%	-36.9%
14-Day RSI	Jan 28, 26	46.73	+7.0%	-25.2%	+28.9%	-20.3%	-14.6%	-11.8%	-5.6%
Beta	Jan 28, 26	0.39	+2.6%	+5.4%	-17.0%	+5.4%	-23.5%	-22.0%	-66.4%
ATR	Jan 28, 26	$1.86	+0.0%	+1.5%	-21.8%	+7.1%	-9.4%	-27.0%	-1.2%
Price	Jan 28, 26	$81.37	+0.9%	-3.2%	+7.6%	-2.8%	-14.5%	-12.3%	+21.1%
200-Day SMA	Jan 28, 26	$82.59	-0.0%	-0.7%	-2.5%	-0.7%	-12.2%	-3.1%	+45.8%
50-Day SMA	Jan 28, 26	$81.41	+0.1%	+2.5%	+2.0%	+2.4%	-14.8%	-11.1%	+22.8%

3-Month Volatility History

Date	Value	Change
Jan 28, 2026	19.71%	-17.3%
Dec 31, 2025	23.84%	-10.0%
Dec 31, 2024	26.49%	+24.8%
Dec 31, 2023	21.23%	-16.6%
Dec 31, 2022	25.45%	-2.0%
Dec 31, 2021	25.98%	-24.7%
Dec 31, 2020	34.49%	+96.0%
Dec 31, 2019	17.60%	-40.8%
Dec 31, 2018	29.73%	+51.8%
Dec 31, 2017	19.59%	-24.6%
Dec 31, 2016	25.97%	+0.7%
Dec 31, 2015	25.79%	+48.4%
Dec 31, 2014	17.38%	+2.9%
Dec 31, 2013	16.89%	-5.7%
Dec 31, 2012	17.91%	-57.5%
Dec 31, 2011	42.14%	+101.8%
Dec 31, 2010	20.88%	-10.5%
Dec 31, 2009	23.33%	-77.9%
Dec 31, 2008	105.52%	+123.1%
Dec 31, 2007	47.30%	+204.4%
Dec 31, 2006	15.54%	-45.3%
Dec 31, 2005	28.39%	+8.4%
Dec 31, 2004	26.20%	-4.8%
Dec 31, 2003	27.53%	+5.6%

Date	Value	Change
Dec 31, 2002	26.07%	-53.6%
Dec 31, 2001	56.18%	+28.4%
Dec 31, 2000	43.74%	+135.9%
Dec 31, 1999	18.54%	-56.7%
Dec 31, 1998	42.82%	+32.4%
Dec 31, 1997	32.33%	+94.8%
Dec 31, 1996	16.60%	-7.5%
Dec 31, 1995	17.95%	-33.9%
Dec 31, 1994	27.15%	+35.6%
Dec 31, 1993	20.02%	-11.8%
Dec 31, 1992	22.69%	-39.7%
Dec 31, 1991	37.63%	+7.1%
Dec 31, 1990	35.12%	-1.8%
Dec 31, 1989	35.76%	+69.2%
Dec 31, 1988	21.14%	-60.7%
Dec 31, 1987	53.77%	+81.8%
Dec 31, 1986	29.58%	+19.5%
Dec 31, 1985	24.75%	-6.2%
Dec 31, 1984	26.38%	-38.1%
Dec 31, 1983	42.64%	-4.0%
Dec 31, 1982	44.43%	+96.3%
Dec 31, 1981	22.63%	+24.6%
Dec 31, 1980	18.16%	-

FAQ

What is the current 3-month volatility of SIGI?
As of today, SIGI 3-month volatility is 19.66%
What 3-month volatility category does SIGI fall into?
Based on its current 3-month historical volatility, SIGI falls into the low volatility category
What is SIGI 3-month volatility 1-year high?
SIGI 3-month volatility reached a 1-year high of 42.96% on October 23, 2025
What is SIGI 3-month volatility 1-year low?
SIGI 3-month volatility reached a 1-year low of 19.39% on January 23, 2026

1-Year

32.54%

January 28, 2026

Summary

Current Value: As of today, SIGI 1-year volatility is 32.54%, up +0.18% on January 28, 2026
Value Category: Based on its current 1-year historical volatility, SIGI falls into the moderate volatility category
1-Year High: SIGI 1-year volatility reached a 1-year high of 33.66% on April 26, 2025
1-Year Low: SIGI 1-year volatility reached a 1-year low of 27.63% on July 23, 2025

Performance

SIGI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Jan 28, 26	32.54%	+0.2%	+0.1%	-2.3%	+0.2%	+8.4%	+23.5%	-36.9%
10-Day Volatility	Jan 28, 26	24.03%	-1.2%	+56.1%	-39.6%	+87.4%	+9.6%	-17.9%	+33.4%
1-Month Volatility	Jan 28, 26	21.69%	+0.8%	+16.4%	-32.6%	+18.0%	+7.5%	-21.4%	-31.3%
3-Month Volatility	Jan 28, 26	19.66%	-1.4%	-19.1%	-24.4%	-18.2%	-19.8%	-19.9%	-40.9%
1-Year Volatility	Jan 28, 26	32.54%	+0.2%	+0.1%	-2.3%	+0.2%	+8.4%	+23.5%	-36.9%
14-Day RSI	Jan 28, 26	46.73	+7.0%	-25.2%	+28.9%	-20.3%	-14.6%	-11.8%	-5.6%
Beta	Jan 28, 26	0.39	+2.6%	+5.4%	-17.0%	+5.4%	-23.5%	-22.0%	-66.4%
ATR	Jan 28, 26	$1.86	+0.0%	+1.5%	-21.8%	+7.1%	-9.4%	-27.0%	-1.2%
Price	Jan 28, 26	$81.37	+0.9%	-3.2%	+7.6%	-2.8%	-14.5%	-12.3%	+21.1%
200-Day SMA	Jan 28, 26	$82.59	-0.0%	-0.7%	-2.5%	-0.7%	-12.2%	-3.1%	+45.8%
50-Day SMA	Jan 28, 26	$81.41	+0.1%	+2.5%	+2.0%	+2.4%	-14.8%	-11.1%	+22.8%

1-Year Volatility History

Date	Value	Change
Jan 28, 2026	32.49%	+0.1%
Dec 31, 2025	32.47%	+9.2%
Dec 31, 2024	29.73%	+30.9%
Dec 31, 2023	22.72%	-13.5%
Dec 31, 2022	26.28%	+5.2%
Dec 31, 2021	24.98%	-51.0%
Dec 31, 2020	51.00%	+177.6%
Dec 31, 2019	18.37%	-20.9%
Dec 31, 2018	23.23%	+5.9%
Dec 31, 2017	21.94%	-4.1%
Dec 31, 2016	22.87%	+2.6%
Dec 31, 2015	22.29%	+12.3%
Dec 31, 2014	19.85%	+2.4%
Dec 31, 2013	19.38%	+5.6%
Dec 31, 2012	18.36%	-43.6%
Dec 31, 2011	32.55%	+28.0%
Dec 31, 2010	25.42%	-54.6%
Dec 31, 2009	55.99%	-16.0%
Dec 31, 2008	66.62%	+78.7%
Dec 31, 2007	37.28%	+66.8%
Dec 31, 2006	22.35%	-11.2%
Dec 31, 2005	25.18%	-4.4%
Dec 31, 2004	26.34%	+1.5%
Dec 31, 2003	25.95%	-31.0%

Date	Value	Change
Dec 31, 2002	37.59%	-23.0%
Dec 31, 2001	48.83%	+31.0%
Dec 31, 2000	37.28%	+10.4%
Dec 31, 1999	33.76%	-11.3%
Dec 31, 1998	38.07%	+43.0%
Dec 31, 1997	26.62%	+35.2%
Dec 31, 1996	19.69%	-11.7%
Dec 31, 1995	22.29%	-27.9%
Dec 31, 1994	30.93%	+20.5%
Dec 31, 1993	25.67%	-17.8%
Dec 31, 1992	31.21%	-18.7%
Dec 31, 1991	38.40%	+21.1%
Dec 31, 1990	31.72%	+18.7%
Dec 31, 1989	26.72%	+20.9%
Dec 31, 1988	22.10%	-33.9%
Dec 31, 1987	33.42%	+12.1%
Dec 31, 1986	29.82%	+6.9%
Dec 31, 1985	27.89%	-24.3%
Dec 31, 1984	36.82%	+19.5%
Dec 31, 1983	30.81%	-5.5%
Dec 31, 1982	32.59%	+19.8%
Dec 31, 1981	27.20%	-24.8%
Dec 31, 1980	36.19%	-

FAQ

What is the current 1-year volatility of SIGI?
As of today, SIGI 1-year volatility is 32.54%
What 1-year volatility category does SIGI fall into?
Based on its current 1-year historical volatility, SIGI falls into the moderate volatility category
What is SIGI 1-year volatility 1-year high?
SIGI 1-year volatility reached a 1-year high of 33.66% on April 26, 2025
What is SIGI 1-year volatility 1-year low?
SIGI 1-year volatility reached a 1-year low of 27.63% on July 23, 2025

Data Sources & References

SIGI Official Website www.selective.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/230557/000023055725000025/0000230557-25-000025-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/230557/000023055725000006/0000230557-25-000006-index.htm
SIGI Profile on Yahoo Finance finance.yahoo.com/quote/SIGI
SIGI Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/sigi