What is the current 10-day volatility of SEIC?

As of today, SEIC 10-day volatility is 17.80%

What 10-day volatility category does SEIC fall into?

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

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

SEIC 10-day volatility reached a 1-year high of 42.90% on April 29, 2026

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

SEIC 10-day volatility reached a 1-year low of 6.54% on August 11, 2026

What is the current 1-month volatility of SEIC?

As of today, SEIC 1-month volatility is 16.77%

What 1-month volatility category does SEIC fall into?

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

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

SEIC 1-month volatility reached a 1-year high of 37.89% on March 2, 2026

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

SEIC 1-month volatility reached a 1-year low of 9.60% on August 28, 2026

What is the current 3-month volatility of SEIC?

As of today, SEIC 3-month volatility is 20.87%

What 3-month volatility category does SEIC fall into?

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

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

SEIC 3-month volatility reached a 1-year high of 31.95% on April 27, 2026

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

SEIC 3-month volatility reached a 1-year low of 15.45% on October 6, 2025

What is the current 1-year volatility of SEIC?

As of today, SEIC 1-year volatility is 23.16%

What 1-year volatility category does SEIC fall into?

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

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

SEIC 1-year volatility reached a 1-year high of 26.24% on February 27, 2026

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

SEIC 1-year volatility reached a 1-year low of 22.18% on May 27, 2026

SEIC Stock Volatility History & Chart Since 1981

10-Day

17.80%

September 16, 2026

Summary

Current Value: As of today, SEIC 10-day volatility is 17.80%, down -0.84% on September 16, 2026
Value Category: Based on its current 10-day historical volatility, SEIC falls into the low volatility category
1-Year High: SEIC 10-day volatility reached a 1-year high of 42.90% on April 29, 2026
1-Year Low: SEIC 10-day volatility reached a 1-year low of 6.54% on August 11, 2026

10-Day Volatility Chart

Performance

SEIC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 16, 26	17.80%	-0.8%	+123.1%	-16.0%	+2.3%	-7.0%	+54.8%	-26.5%
1-Month Volatility	Sep 16, 26	16.77%	+1.4%	-5.7%	-10.9%	+4.6%	-0.9%	+34.3%	-14.8%
3-Month Volatility	Sep 16, 26	20.87%	+1.3%	-2.2%	-17.1%	+14.2%	+19.7%	+36.9%	+3.6%
1-Year Volatility	Sep 16, 26	23.16%	+0.3%	+0.0%	+3.4%	-4.2%	-7.5%	+6.8%	-14.7%
14-Day RSI	Sep 16, 26	40.49	-9.9%	-41.1%	-30.1%	-11.3%	-6.4%	-13.4%	-2.0%
Beta	Sep 16, 26	0.58	+1.8%	0.0%	-17.1%	-40.8%	-43.1%	-37.0%	-41.4%
ATR	Sep 16, 26	$2.07	+4.1%	-0.8%	+13.2%	+45.6%	+40.2%	+121.2%	+88.6%
Price	Sep 17, 26	$105.07	+0.5%	-0.4%	+15.4%	+28.1%	+21.3%	+72.3%	+76.2%
200-Day SMA	Sep 16, 26	$89.62	+0.1%	+3.4%	+6.7%	+7.2%	+7.6%	+49.7%	+48.7%
50-Day SMA	Sep 16, 26	$104.37	+0.2%	+8.2%	+18.8%	+27.5%	+17.2%	+68.9%	+70.4%
20-Day SMA	Sep 16, 26	$108.84	-0.1%	+5.6%	+21.9%	+31.1%	+23.5%	+77.7%	+78.2%

10-Day Volatility History

Date	Value	Change
Sep 17, 2026	17.80%	+2.3%
Dec 31, 2025	17.40%	-43.7%
Dec 31, 2024	30.93%	+97.1%
Dec 31, 2023	15.69%	-23.5%
Dec 31, 2022	20.52%	-44.0%
Dec 31, 2021	36.66%	+211.5%
Dec 31, 2020	11.77%	+35.0%
Dec 31, 2019	8.72%	-77.9%
Dec 31, 2018	39.45%	+421.8%
Dec 31, 2017	7.56%	-49.1%
Dec 31, 2016	14.84%	-10.8%
Dec 31, 2015	16.63%	+28.6%
Dec 31, 2014	12.93%	-29.2%
Dec 31, 2013	18.26%	-26.3%
Dec 31, 2012	24.78%	-35.4%
Dec 31, 2011	38.37%	+379.0%
Dec 31, 2010	8.01%	-42.7%
Dec 31, 2009	13.97%	-76.3%
Dec 31, 2008	58.97%	+76.0%
Dec 31, 2007	33.51%	+230.5%
Dec 31, 2006	10.14%	+10.2%
Dec 31, 2005	9.20%	-55.4%
Dec 31, 2004	20.65%	+37.2%

Date	Value	Change
Dec 31, 2003	15.05%	-41.7%
Dec 31, 2002	25.80%	+73.0%
Dec 31, 2001	14.91%	-82.9%
Dec 31, 2000	87.26%	+32.6%
Dec 31, 1999	65.81%	+48.1%
Dec 31, 1998	44.44%	+43.4%
Dec 31, 1997	30.99%	+5.9%
Dec 31, 1996	29.27%	+27.7%
Dec 31, 1995	22.92%	-31.7%
Dec 31, 1994	33.58%	-38.4%
Dec 31, 1993	54.52%	+150.2%
Dec 31, 1992	21.79%	-44.5%
Dec 31, 1991	39.24%	+8.3%
Dec 31, 1990	36.23%	-18.5%
Dec 31, 1989	44.48%	+117.1%
Dec 31, 1988	20.49%	-55.9%
Dec 31, 1987	46.43%	+73.7%
Dec 31, 1986	26.73%	+15.2%
Dec 31, 1985	23.20%	-27.9%
Dec 31, 1984	32.17%	+20.4%
Dec 31, 1983	26.72%	+11.8%
Dec 31, 1982	23.90%	+21.4%
Dec 31, 1981	19.68%	-

FAQ

What is the current 10-day volatility of SEIC?: As of today, SEIC 10-day volatility is 17.80%
What 10-day volatility category does SEIC fall into?: Based on its current 10-day historical volatility, SEIC falls into the low volatility category
What is SEIC 10-day volatility 1-year high?: SEIC 10-day volatility reached a 1-year high of 42.90% on April 29, 2026
What is SEIC 10-day volatility 1-year low?: SEIC 10-day volatility reached a 1-year low of 6.54% on August 11, 2026

1-Month

16.77%

September 16, 2026

Summary

Current Value: As of today, SEIC 1-month volatility is 16.77%, up +1.45% on September 16, 2026
Value Category: Based on its current 1-month historical volatility, SEIC falls into the low volatility category
1-Year High: SEIC 1-month volatility reached a 1-year high of 37.89% on March 2, 2026
1-Year Low: SEIC 1-month volatility reached a 1-year low of 9.60% on August 28, 2026

Performance

SEIC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 16, 26	16.77%	+1.4%	-5.7%	-10.9%	+4.6%	-0.9%	+34.3%	-14.8%
10-Day Volatility	Sep 16, 26	17.80%	-0.8%	+123.1%	-16.0%	+2.3%	-7.0%	+54.8%	-26.5%
3-Month Volatility	Sep 16, 26	20.87%	+1.3%	-2.2%	-17.1%	+14.2%	+19.7%	+36.9%	+3.6%
1-Year Volatility	Sep 16, 26	23.16%	+0.3%	+0.0%	+3.4%	-4.2%	-7.5%	+6.8%	-14.7%
14-Day RSI	Sep 16, 26	40.49	-9.9%	-41.1%	-30.1%	-11.3%	-6.4%	-13.4%	-2.0%
Beta	Sep 16, 26	0.58	+1.8%	0.0%	-17.1%	-40.8%	-43.1%	-37.0%	-41.4%
ATR	Sep 16, 26	$2.07	+4.1%	-0.8%	+13.2%	+45.6%	+40.2%	+121.2%	+88.6%
Price	Sep 17, 26	$105.07	+0.5%	-0.4%	+15.4%	+28.1%	+21.3%	+72.3%	+76.2%
200-Day SMA	Sep 16, 26	$89.62	+0.1%	+3.4%	+6.7%	+7.2%	+7.6%	+49.7%	+48.7%
50-Day SMA	Sep 16, 26	$104.37	+0.2%	+8.2%	+18.8%	+27.5%	+17.2%	+68.9%	+70.4%
20-Day SMA	Sep 16, 26	$108.84	-0.1%	+5.6%	+21.9%	+31.1%	+23.5%	+77.7%	+78.2%

1-Month Volatility History

Date	Value	Change
Sep 17, 2026	16.77%	+3.6%
Dec 31, 2025	16.18%	-30.8%
Dec 31, 2024	23.37%	+47.4%
Dec 31, 2023	15.86%	-23.8%
Dec 31, 2022	20.81%	-32.7%
Dec 31, 2021	30.92%	+59.3%
Dec 31, 2020	19.41%	+92.9%
Dec 31, 2019	10.06%	-72.4%
Dec 31, 2018	36.45%	+441.6%
Dec 31, 2017	6.73%	-67.7%
Dec 31, 2016	20.86%	-17.7%
Dec 31, 2015	25.35%	+77.4%
Dec 31, 2014	14.29%	-11.1%
Dec 31, 2013	16.07%	-18.0%
Dec 31, 2012	19.59%	-47.5%
Dec 31, 2011	37.28%	+137.2%
Dec 31, 2010	15.72%	+3.8%
Dec 31, 2009	15.14%	-83.5%
Dec 31, 2008	92.00%	+184.7%
Dec 31, 2007	32.31%	+171.7%
Dec 31, 2006	11.89%	-22.9%
Dec 31, 2005	15.42%	-31.9%
Dec 31, 2004	22.65%	-28.2%

Date	Value	Change
Dec 31, 2003	31.55%	-3.5%
Dec 31, 2002	32.68%	+23.4%
Dec 31, 2001	26.49%	-63.7%
Dec 31, 2000	73.00%	+43.1%
Dec 31, 1999	51.02%	+15.6%
Dec 31, 1998	44.14%	+69.1%
Dec 31, 1997	26.11%	-7.2%
Dec 31, 1996	28.13%	-6.3%
Dec 31, 1995	30.02%	-8.2%
Dec 31, 1994	32.71%	-34.7%
Dec 31, 1993	50.12%	+94.1%
Dec 31, 1992	25.82%	-32.1%
Dec 31, 1991	38.05%	+14.8%
Dec 31, 1990	33.14%	+3.4%
Dec 31, 1989	32.06%	+58.6%
Dec 31, 1988	20.22%	-66.1%
Dec 31, 1987	59.70%	+151.5%
Dec 31, 1986	23.74%	+1.9%
Dec 31, 1985	23.30%	-19.6%
Dec 31, 1984	28.97%	+12.9%
Dec 31, 1983	25.66%	-21.7%
Dec 31, 1982	32.76%	+3.5%
Dec 31, 1981	31.64%	-

FAQ

What is the current 1-month volatility of SEIC?: As of today, SEIC 1-month volatility is 16.77%
What 1-month volatility category does SEIC fall into?: Based on its current 1-month historical volatility, SEIC falls into the low volatility category
What is SEIC 1-month volatility 1-year high?: SEIC 1-month volatility reached a 1-year high of 37.89% on March 2, 2026
What is SEIC 1-month volatility 1-year low?: SEIC 1-month volatility reached a 1-year low of 9.60% on August 28, 2026

3-Month

20.87%

September 16, 2026

Summary

Current Value: As of today, SEIC 3-month volatility is 20.87%, up +1.26% on September 16, 2026
Value Category: Based on its current 3-month historical volatility, SEIC falls into the low volatility category
1-Year High: SEIC 3-month volatility reached a 1-year high of 31.95% on April 27, 2026
1-Year Low: SEIC 3-month volatility reached a 1-year low of 15.45% on October 6, 2025

Performance

SEIC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 16, 26	20.87%	+1.3%	-2.2%	-17.1%	+14.2%	+19.7%	+36.9%	+3.6%
10-Day Volatility	Sep 16, 26	17.80%	-0.8%	+123.1%	-16.0%	+2.3%	-7.0%	+54.8%	-26.5%
1-Month Volatility	Sep 16, 26	16.77%	+1.4%	-5.7%	-10.9%	+4.6%	-0.9%	+34.3%	-14.8%
1-Year Volatility	Sep 16, 26	23.16%	+0.3%	+0.0%	+3.4%	-4.2%	-7.5%	+6.8%	-14.7%
14-Day RSI	Sep 16, 26	40.49	-9.9%	-41.1%	-30.1%	-11.3%	-6.4%	-13.4%	-2.0%
Beta	Sep 16, 26	0.58	+1.8%	0.0%	-17.1%	-40.8%	-43.1%	-37.0%	-41.4%
ATR	Sep 16, 26	$2.07	+4.1%	-0.8%	+13.2%	+45.6%	+40.2%	+121.2%	+88.6%
Price	Sep 17, 26	$105.07	+0.5%	-0.4%	+15.4%	+28.1%	+21.3%	+72.3%	+76.2%
200-Day SMA	Sep 16, 26	$89.62	+0.1%	+3.4%	+6.7%	+7.2%	+7.6%	+49.7%	+48.7%
50-Day SMA	Sep 16, 26	$104.37	+0.2%	+8.2%	+18.8%	+27.5%	+17.2%	+68.9%	+70.4%
20-Day SMA	Sep 16, 26	$108.84	-0.1%	+5.6%	+21.9%	+31.1%	+23.5%	+77.7%	+78.2%

3-Month Volatility History

Date	Value	Change
Sep 17, 2026	20.87%	+14.5%
Dec 31, 2025	18.22%	-16.8%
Dec 31, 2024	21.91%	+20.2%
Dec 31, 2023	18.23%	-40.8%
Dec 31, 2022	30.79%	+19.9%
Dec 31, 2021	25.67%	-15.3%
Dec 31, 2020	30.30%	+76.3%
Dec 31, 2019	17.19%	-42.7%
Dec 31, 2018	30.02%	+144.5%
Dec 31, 2017	12.28%	-34.2%
Dec 31, 2016	18.65%	-18.9%
Dec 31, 2015	22.99%	+41.1%
Dec 31, 2014	16.29%	-14.3%
Dec 31, 2013	19.00%	+1.6%
Dec 31, 2012	18.70%	-62.1%
Dec 31, 2011	49.33%	+192.9%
Dec 31, 2010	16.84%	-25.5%
Dec 31, 2009	22.59%	-78.8%
Dec 31, 2008	106.74%	+179.6%
Dec 31, 2007	38.18%	+134.4%
Dec 31, 2006	16.29%	-45.2%
Dec 31, 2005	29.75%	+35.9%
Dec 31, 2004	21.89%	-29.8%

Date	Value	Change
Dec 31, 2003	31.18%	-52.3%
Dec 31, 2002	65.35%	+43.9%
Dec 31, 2001	45.40%	-34.6%
Dec 31, 2000	69.44%	+44.0%
Dec 31, 1999	48.22%	-7.8%
Dec 31, 1998	52.30%	+19.8%
Dec 31, 1997	43.65%	+39.5%
Dec 31, 1996	31.29%	+21.6%
Dec 31, 1995	25.74%	-27.0%
Dec 31, 1994	35.27%	-8.6%
Dec 31, 1993	38.58%	+47.2%
Dec 31, 1992	26.21%	-36.4%
Dec 31, 1991	41.18%	+15.0%
Dec 31, 1990	35.82%	+63.4%
Dec 31, 1989	21.92%	-29.7%
Dec 31, 1988	31.18%	-60.3%
Dec 31, 1987	78.63%	+211.2%
Dec 31, 1986	25.27%	-15.4%
Dec 31, 1985	29.87%	-18.4%
Dec 31, 1984	36.62%	+7.0%
Dec 31, 1983	34.23%	-26.3%
Dec 31, 1982	46.42%	+54.0%
Dec 31, 1981	30.14%	-

FAQ

What is the current 3-month volatility of SEIC?: As of today, SEIC 3-month volatility is 20.87%
What 3-month volatility category does SEIC fall into?: Based on its current 3-month historical volatility, SEIC falls into the low volatility category
What is SEIC 3-month volatility 1-year high?: SEIC 3-month volatility reached a 1-year high of 31.95% on April 27, 2026
What is SEIC 3-month volatility 1-year low?: SEIC 3-month volatility reached a 1-year low of 15.45% on October 6, 2025

1-Year

23.16%

September 16, 2026

Summary

Current Value: As of today, SEIC 1-year volatility is 23.16%, up +0.30% on September 16, 2026
Value Category: Based on its current 1-year historical volatility, SEIC falls into the low volatility category
1-Year High: SEIC 1-year volatility reached a 1-year high of 26.24% on February 27, 2026
1-Year Low: SEIC 1-year volatility reached a 1-year low of 22.18% on May 27, 2026

Performance

SEIC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 16, 26	23.16%	+0.3%	+0.0%	+3.4%	-4.2%	-7.5%	+6.8%	-14.7%
10-Day Volatility	Sep 16, 26	17.80%	-0.8%	+123.1%	-16.0%	+2.3%	-7.0%	+54.8%	-26.5%
1-Month Volatility	Sep 16, 26	16.77%	+1.4%	-5.7%	-10.9%	+4.6%	-0.9%	+34.3%	-14.8%
3-Month Volatility	Sep 16, 26	20.87%	+1.3%	-2.2%	-17.1%	+14.2%	+19.7%	+36.9%	+3.6%
1-Year Volatility	Sep 16, 26	23.16%	+0.3%	+0.0%	+3.4%	-4.2%	-7.5%	+6.8%	-14.7%
14-Day RSI	Sep 16, 26	40.49	-9.9%	-41.1%	-30.1%	-11.3%	-6.4%	-13.4%	-2.0%
Beta	Sep 16, 26	0.58	+1.8%	0.0%	-17.1%	-40.8%	-43.1%	-37.0%	-41.4%
ATR	Sep 16, 26	$2.07	+4.1%	-0.8%	+13.2%	+45.6%	+40.2%	+121.2%	+88.6%
Price	Sep 17, 26	$105.07	+0.5%	-0.4%	+15.4%	+28.1%	+21.3%	+72.3%	+76.2%
200-Day SMA	Sep 16, 26	$89.62	+0.1%	+3.4%	+6.7%	+7.2%	+7.6%	+49.7%	+48.7%
50-Day SMA	Sep 16, 26	$104.37	+0.2%	+8.2%	+18.8%	+27.5%	+17.2%	+68.9%	+70.4%
20-Day SMA	Sep 16, 26	$108.84	-0.1%	+5.6%	+21.9%	+31.1%	+23.5%	+77.7%	+78.2%

1-Year Volatility History

Date	Value	Change
Sep 17, 2026	23.16%	-4.2%
Dec 31, 2025	24.17%	+30.4%
Dec 31, 2024	18.53%	+8.1%
Dec 31, 2023	17.14%	-34.5%
Dec 31, 2022	26.17%	+0.6%
Dec 31, 2021	26.02%	-43.0%
Dec 31, 2020	45.61%	+111.5%
Dec 31, 2019	21.57%	-10.8%
Dec 31, 2018	24.19%	+65.6%
Dec 31, 2017	14.61%	-54.3%
Dec 31, 2016	32.00%	+46.2%
Dec 31, 2015	21.89%	+14.9%
Dec 31, 2014	19.05%	+0.3%
Dec 31, 2013	19.00%	-13.8%
Dec 31, 2012	22.03%	-40.2%
Dec 31, 2011	36.87%	+41.1%
Dec 31, 2010	26.13%	-42.3%
Dec 31, 2009	45.32%	-35.0%
Dec 31, 2008	69.68%	+132.2%
Dec 31, 2007	30.01%	+46.3%
Dec 31, 2006	20.51%	-14.1%
Dec 31, 2005	23.89%	-4.3%
Dec 31, 2004	24.97%	-28.4%

Date	Value	Change
Dec 31, 2003	34.88%	-28.9%
Dec 31, 2002	49.03%	-18.9%
Dec 31, 2001	60.45%	-7.5%
Dec 31, 2000	65.35%	+38.6%
Dec 31, 1999	47.15%	-0.3%
Dec 31, 1998	47.30%	+36.2%
Dec 31, 1997	34.74%	+5.7%
Dec 31, 1996	32.88%	+4.5%
Dec 31, 1995	31.46%	-10.6%
Dec 31, 1994	35.19%	+11.5%
Dec 31, 1993	31.57%	+4.5%
Dec 31, 1992	30.22%	-20.9%
Dec 31, 1991	38.22%	-9.2%
Dec 31, 1990	42.09%	+94.1%
Dec 31, 1989	21.69%	-36.2%
Dec 31, 1988	34.01%	-34.6%
Dec 31, 1987	52.01%	+43.8%
Dec 31, 1986	36.18%	+19.0%
Dec 31, 1985	30.40%	-27.5%
Dec 31, 1984	41.92%	+12.6%
Dec 31, 1983	37.24%	+15.8%
Dec 31, 1982	32.17%	-9.6%
Dec 31, 1981	35.58%	-

FAQ

What is the current 1-year volatility of SEIC?: As of today, SEIC 1-year volatility is 23.16%
What 1-year volatility category does SEIC fall into?: Based on its current 1-year historical volatility, SEIC falls into the low volatility category
What is SEIC 1-year volatility 1-year high?: SEIC 1-year volatility reached a 1-year high of 26.24% on February 27, 2026
What is SEIC 1-year volatility 1-year low?: SEIC 1-year volatility reached a 1-year low of 22.18% on May 27, 2026

Data Sources & References

SEIC Official Website www.seic.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/350894/000035089426000003/0000350894-26-000003-index.htm
SEIC Profile on Yahoo Finance finance.yahoo.com/quote/SEIC
SEIC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/seic