What is the current 10-day volatility of STT?

As of today, STT 10-day volatility is 34.05%

What 10-day volatility category does STT fall into?

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

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

STT 10-day volatility reached a 1-year high of 79.07% on April 15, 2025

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

STT 10-day volatility reached a 1-year low of 10.39% on December 5, 2025

What is the current 1-month volatility of STT?

As of today, STT 1-month volatility is 30.63%

What 1-month volatility category does STT fall into?

Based on its current 1-month historical volatility, STT falls into the moderate volatility category

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

STT 1-month volatility reached a 1-year high of 60.22% on April 25, 2025

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

STT 1-month volatility reached a 1-year low of 14.61% on September 24, 2025

What is the current 3-month volatility of STT?

As of today, STT 3-month volatility is 26.68%

What 3-month volatility category does STT fall into?

Based on its current 3-month historical volatility, STT falls into the moderate volatility category

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

STT 3-month volatility reached a 1-year high of 40.45% on May 27, 2025

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

STT 3-month volatility reached a 1-year low of 19.87% on July 14, 2025

What is the current 1-year volatility of STT?

As of today, STT 1-year volatility is 29.21%

What 1-year volatility category does STT fall into?

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

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

STT 1-year volatility reached a 1-year high of 29.21% on February 25, 2026

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

STT 1-year volatility reached a 1-year low of 21.67% on February 27, 2025

STT Stock Volatility History & Chart Since 1980

10-Day

34.05%

February 25, 2026

Summary

Current Value: As of today, STT 10-day volatility is 34.05%, up +19.31% on February 25, 2026
Value Category: Based on its current 10-day historical volatility, STT falls into the moderate volatility category
1-Year High: STT 10-day volatility reached a 1-year high of 79.07% on April 15, 2025
1-Year Low: STT 10-day volatility reached a 1-year low of 10.39% on December 5, 2025

10-Day Volatility Chart

Performance

STT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Feb 25, 26	34.05%	+19.3%	-8.2%	+34.3%	+132.6%	+164.2%	+69.6%	-13.3%
1-Month Volatility	Feb 25, 26	30.63%	+7.5%	+1.5%	+50.5%	+79.8%	+74.9%	+44.7%	-10.6%
3-Month Volatility	Feb 25, 26	26.68%	+3.6%	+15.3%	+15.4%	+14.1%	+19.1%	-20.8%	-18.7%
1-Year Volatility	Feb 25, 26	29.21%	+0.7%	+3.1%	+3.1%	+3.7%	+34.5%	-24.5%	-50.5%
14-Day RSI	Feb 25, 26	54.54	+17.9%	+24.9%	+6.7%	-8.5%	+27.9%	+26.3%	+7.7%
Beta	Feb 25, 26	1.14	0.0%	+4.6%	+5.6%	+4.6%	+54.0%	-8.8%	-15.6%
ATR	Feb 25, 26	$4.03	+0.8%	+29.5%	+50.3%	+73.8%	+96.0%	+73.2%	+63.6%
Price	Feb 25, 26	$131.62	+3.5%	+4.4%	+13.4%	+2.0%	+35.4%	+51.0%	+77.2%
200-Day SMA	Feb 25, 26	$115.35	+0.2%	+4.4%	+11.6%	+7.6%	+31.3%	+57.3%	+71.7%
50-Day SMA	Feb 25, 26	$130.02	+0.0%	+3.6%	+12.6%	+7.4%	+31.8%	+52.8%	+76.2%

10-Day Volatility History

Date	Value	Change
Feb 25, 2026	34.05%	+132.6%
Dec 31, 2025	14.64%	-50.4%
Dec 31, 2024	29.51%	+73.3%
Dec 31, 2023	17.03%	+12.8%
Dec 31, 2022	15.10%	-17.1%
Dec 31, 2021	18.22%	+51.5%
Dec 31, 2020	12.03%	+37.0%
Dec 31, 2019	8.78%	-76.4%
Dec 31, 2018	37.19%	+252.8%
Dec 31, 2017	10.54%	-13.2%
Dec 31, 2016	12.14%	-52.8%
Dec 31, 2015	25.74%	+12.5%
Dec 31, 2014	22.89%	+48.2%
Dec 31, 2013	15.45%	-10.9%
Dec 31, 2012	17.34%	-44.1%
Dec 31, 2011	31.04%	+68.9%
Dec 31, 2010	18.38%	-45.6%
Dec 31, 2009	33.78%	-46.2%
Dec 31, 2008	62.77%	+273.0%
Dec 31, 2007	16.83%	+12.9%
Dec 31, 2006	14.91%	+20.2%
Dec 31, 2005	12.40%	+35.5%
Dec 31, 2004	9.15%	-10.2%
Dec 31, 2003	10.19%	-47.2%

Date	Value	Change
Dec 31, 2002	19.30%	+145.2%
Dec 31, 2001	7.87%	-77.0%
Dec 31, 2000	34.28%	+52.8%
Dec 31, 1999	22.44%	-16.1%
Dec 31, 1998	26.74%	-29.0%
Dec 31, 1997	37.68%	+141.4%
Dec 31, 1996	15.61%	-26.6%
Dec 31, 1995	21.28%	-11.1%
Dec 31, 1994	23.93%	+34.9%
Dec 31, 1993	17.74%	-43.9%
Dec 31, 1992	31.65%	+14.8%
Dec 31, 1991	27.58%	-8.6%
Dec 31, 1990	30.16%	-16.5%
Dec 31, 1989	36.12%	+80.1%
Dec 31, 1988	20.06%	-6.6%
Dec 31, 1987	21.48%	+80.4%
Dec 31, 1986	11.91%	-34.9%
Dec 31, 1985	18.29%	+21.4%
Dec 31, 1984	15.06%	-45.0%
Dec 31, 1983	27.38%	+433.7%
Dec 31, 1982	5.13%	-43.9%
Dec 31, 1981	9.14%	-68.9%
Dec 31, 1980	29.36%	-

FAQ

What is the current 10-day volatility of STT?
As of today, STT 10-day volatility is 34.05%
What 10-day volatility category does STT fall into?
Based on its current 10-day historical volatility, STT falls into the moderate volatility category
What is STT 10-day volatility 1-year high?
STT 10-day volatility reached a 1-year high of 79.07% on April 15, 2025
What is STT 10-day volatility 1-year low?
STT 10-day volatility reached a 1-year low of 10.39% on December 5, 2025

1-Month

30.63%

February 25, 2026

Summary

Current Value: As of today, STT 1-month volatility is 30.63%, up +7.47% on February 25, 2026
Value Category: Based on its current 1-month historical volatility, STT falls into the moderate volatility category
1-Year High: STT 1-month volatility reached a 1-year high of 60.22% on April 25, 2025
1-Year Low: STT 1-month volatility reached a 1-year low of 14.61% on September 24, 2025

Performance

STT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Feb 25, 26	30.63%	+7.5%	+1.5%	+50.5%	+79.8%	+74.9%	+44.7%	-10.6%
10-Day Volatility	Feb 25, 26	34.05%	+19.3%	-8.2%	+34.3%	+132.6%	+164.2%	+69.6%	-13.3%
3-Month Volatility	Feb 25, 26	26.68%	+3.6%	+15.3%	+15.4%	+14.1%	+19.1%	-20.8%	-18.7%
1-Year Volatility	Feb 25, 26	29.21%	+0.7%	+3.1%	+3.1%	+3.7%	+34.5%	-24.5%	-50.5%
14-Day RSI	Feb 25, 26	54.54	+17.9%	+24.9%	+6.7%	-8.5%	+27.9%	+26.3%	+7.7%
Beta	Feb 25, 26	1.14	0.0%	+4.6%	+5.6%	+4.6%	+54.0%	-8.8%	-15.6%
ATR	Feb 25, 26	$4.03	+0.8%	+29.5%	+50.3%	+73.8%	+96.0%	+73.2%	+63.6%
Price	Feb 25, 26	$131.62	+3.5%	+4.4%	+13.4%	+2.0%	+35.4%	+51.0%	+77.2%
200-Day SMA	Feb 25, 26	$115.35	+0.2%	+4.4%	+11.6%	+7.6%	+31.3%	+57.3%	+71.7%
50-Day SMA	Feb 25, 26	$130.02	+0.0%	+3.6%	+12.6%	+7.4%	+31.8%	+52.8%	+76.2%

1-Month Volatility History

Date	Value	Change
Feb 25, 2026	30.09%	+75.9%
Dec 31, 2025	17.11%	-21.6%
Dec 31, 2024	21.82%	-1.3%
Dec 31, 2023	22.10%	-40.4%
Dec 31, 2022	37.07%	+30.6%
Dec 31, 2021	28.38%	+4.4%
Dec 31, 2020	27.18%	+48.0%
Dec 31, 2019	18.37%	-52.6%
Dec 31, 2018	38.76%	+224.4%
Dec 31, 2017	11.95%	-31.2%
Dec 31, 2016	17.37%	-43.4%
Dec 31, 2015	30.70%	+31.1%
Dec 31, 2014	23.42%	+39.7%
Dec 31, 2013	16.77%	+22.0%
Dec 31, 2012	13.75%	-55.6%
Dec 31, 2011	30.94%	+55.7%
Dec 31, 2010	19.87%	-41.5%
Dec 31, 2009	33.97%	-65.0%
Dec 31, 2008	97.00%	+218.1%
Dec 31, 2007	30.49%	+40.4%
Dec 31, 2006	21.72%	+56.3%
Dec 31, 2005	13.90%	-1.0%
Dec 31, 2004	14.04%	-24.1%
Dec 31, 2003	18.50%	-29.9%

Date	Value	Change
Dec 31, 2002	26.40%	+26.6%
Dec 31, 2001	20.85%	-48.9%
Dec 31, 2000	40.79%	+8.1%
Dec 31, 1999	37.73%	+60.5%
Dec 31, 1998	23.51%	-47.1%
Dec 31, 1997	44.46%	+135.6%
Dec 31, 1996	18.87%	+5.2%
Dec 31, 1995	17.94%	-24.2%
Dec 31, 1994	23.67%	+29.4%
Dec 31, 1993	18.29%	-38.8%
Dec 31, 1992	29.90%	+50.5%
Dec 31, 1991	19.87%	-42.0%
Dec 31, 1990	34.28%	+26.2%
Dec 31, 1989	27.16%	+65.0%
Dec 31, 1988	16.46%	-65.9%
Dec 31, 1987	48.30%	+148.3%
Dec 31, 1986	19.45%	-20.6%
Dec 31, 1985	24.51%	+103.1%
Dec 31, 1984	12.07%	-44.4%
Dec 31, 1983	21.71%	+35.9%
Dec 31, 1982	15.97%	+69.7%
Dec 31, 1981	9.41%	-60.8%
Dec 31, 1980	24.02%	-

FAQ

What is the current 1-month volatility of STT?
As of today, STT 1-month volatility is 30.63%
What 1-month volatility category does STT fall into?
Based on its current 1-month historical volatility, STT falls into the moderate volatility category
What is STT 1-month volatility 1-year high?
STT 1-month volatility reached a 1-year high of 60.22% on April 25, 2025
What is STT 1-month volatility 1-year low?
STT 1-month volatility reached a 1-year low of 14.61% on September 24, 2025

3-Month

26.68%

February 25, 2026

Summary

Current Value: As of today, STT 3-month volatility is 26.68%, up +3.65% on February 25, 2026
Value Category: Based on its current 3-month historical volatility, STT falls into the moderate volatility category
1-Year High: STT 3-month volatility reached a 1-year high of 40.45% on May 27, 2025
1-Year Low: STT 3-month volatility reached a 1-year low of 19.87% on July 14, 2025

Performance

STT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Feb 25, 26	26.68%	+3.6%	+15.3%	+15.4%	+14.1%	+19.1%	-20.8%	-18.7%
10-Day Volatility	Feb 25, 26	34.05%	+19.3%	-8.2%	+34.3%	+132.6%	+164.2%	+69.6%	-13.3%
1-Month Volatility	Feb 25, 26	30.63%	+7.5%	+1.5%	+50.5%	+79.8%	+74.9%	+44.7%	-10.6%
1-Year Volatility	Feb 25, 26	29.21%	+0.7%	+3.1%	+3.1%	+3.7%	+34.5%	-24.5%	-50.5%
14-Day RSI	Feb 25, 26	54.54	+17.9%	+24.9%	+6.7%	-8.5%	+27.9%	+26.3%	+7.7%
Beta	Feb 25, 26	1.14	0.0%	+4.6%	+5.6%	+4.6%	+54.0%	-8.8%	-15.6%
ATR	Feb 25, 26	$4.03	+0.8%	+29.5%	+50.3%	+73.8%	+96.0%	+73.2%	+63.6%
Price	Feb 25, 26	$131.62	+3.5%	+4.4%	+13.4%	+2.0%	+35.4%	+51.0%	+77.2%
200-Day SMA	Feb 25, 26	$115.35	+0.2%	+4.4%	+11.6%	+7.6%	+31.3%	+57.3%	+71.7%
50-Day SMA	Feb 25, 26	$130.02	+0.0%	+3.6%	+12.6%	+7.4%	+31.8%	+52.8%	+76.2%

3-Month Volatility History

Date	Value	Change
Feb 25, 2026	26.56%	+11.9%
Dec 31, 2025	23.73%	+15.9%
Dec 31, 2024	20.47%	-12.4%
Dec 31, 2023	23.36%	-45.3%
Dec 31, 2022	42.72%	+49.2%
Dec 31, 2021	28.64%	-31.3%
Dec 31, 2020	41.71%	+61.2%
Dec 31, 2019	25.88%	-27.0%
Dec 31, 2018	35.44%	+123.9%
Dec 31, 2017	15.83%	-23.5%
Dec 31, 2016	20.69%	-22.2%
Dec 31, 2015	26.61%	+15.6%
Dec 31, 2014	23.02%	+18.8%
Dec 31, 2013	19.38%	+0.4%
Dec 31, 2012	19.30%	-60.3%
Dec 31, 2011	48.63%	+102.9%
Dec 31, 2010	23.97%	-44.6%
Dec 31, 2009	43.24%	-63.6%
Dec 31, 2008	118.70%	+192.2%
Dec 31, 2007	40.62%	+130.8%
Dec 31, 2006	17.60%	-10.0%
Dec 31, 2005	19.56%	+2.3%
Dec 31, 2004	19.12%	-16.6%
Dec 31, 2003	22.93%	-49.0%

Date	Value	Change
Dec 31, 2002	44.97%	+49.8%
Dec 31, 2001	30.03%	-31.4%
Dec 31, 2000	43.77%	+11.6%
Dec 31, 1999	39.23%	+9.9%
Dec 31, 1998	35.71%	-18.0%
Dec 31, 1997	43.56%	+148.8%
Dec 31, 1996	17.51%	-28.6%
Dec 31, 1995	24.52%	-20.2%
Dec 31, 1994	30.73%	+34.1%
Dec 31, 1993	22.91%	-0.7%
Dec 31, 1992	23.08%	+4.5%
Dec 31, 1991	22.08%	-64.5%
Dec 31, 1990	62.28%	+180.0%
Dec 31, 1989	22.24%	+18.0%
Dec 31, 1988	18.85%	-72.2%
Dec 31, 1987	67.78%	+124.8%
Dec 31, 1986	30.15%	+20.2%
Dec 31, 1985	25.09%	+90.7%
Dec 31, 1984	13.16%	-39.4%
Dec 31, 1983	21.72%	-0.0%
Dec 31, 1982	21.73%	+81.8%
Dec 31, 1981	11.95%	-40.1%
Dec 31, 1980	19.95%	-

FAQ

What is the current 3-month volatility of STT?
As of today, STT 3-month volatility is 26.68%
What 3-month volatility category does STT fall into?
Based on its current 3-month historical volatility, STT falls into the moderate volatility category
What is STT 3-month volatility 1-year high?
STT 3-month volatility reached a 1-year high of 40.45% on May 27, 2025
What is STT 3-month volatility 1-year low?
STT 3-month volatility reached a 1-year low of 19.87% on July 14, 2025

1-Year

29.21%

February 25, 2026

Summary

Current Value: As of today, STT 1-year volatility is 29.21%, up +0.72% on February 25, 2026
Value Category: Based on its current 1-year historical volatility, STT falls into the moderate volatility category
1-Year High: STT 1-year volatility reached a 1-year high of 29.21% on February 25, 2026
1-Year Low: STT 1-year volatility reached a 1-year low of 21.67% on February 27, 2025

Performance

STT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Feb 25, 26	29.21%	+0.7%	+3.1%	+3.1%	+3.7%	+34.5%	-24.5%	-50.5%
10-Day Volatility	Feb 25, 26	34.05%	+19.3%	-8.2%	+34.3%	+132.6%	+164.2%	+69.6%	-13.3%
1-Month Volatility	Feb 25, 26	30.63%	+7.5%	+1.5%	+50.5%	+79.8%	+74.9%	+44.7%	-10.6%
3-Month Volatility	Feb 25, 26	26.68%	+3.6%	+15.3%	+15.4%	+14.1%	+19.1%	-20.8%	-18.7%
1-Year Volatility	Feb 25, 26	29.21%	+0.7%	+3.1%	+3.1%	+3.7%	+34.5%	-24.5%	-50.5%
14-Day RSI	Feb 25, 26	54.54	+17.9%	+24.9%	+6.7%	-8.5%	+27.9%	+26.3%	+7.7%
Beta	Feb 25, 26	1.14	0.0%	+4.6%	+5.6%	+4.6%	+54.0%	-8.8%	-15.6%
ATR	Feb 25, 26	$4.03	+0.8%	+29.5%	+50.3%	+73.8%	+96.0%	+73.2%	+63.6%
Price	Feb 25, 26	$131.62	+3.5%	+4.4%	+13.4%	+2.0%	+35.4%	+51.0%	+77.2%
200-Day SMA	Feb 25, 26	$115.35	+0.2%	+4.4%	+11.6%	+7.6%	+31.3%	+57.3%	+71.7%
50-Day SMA	Feb 25, 26	$130.02	+0.0%	+3.6%	+12.6%	+7.4%	+31.8%	+52.8%	+76.2%

1-Year Volatility History

Date	Value	Change
Feb 25, 2026	29.15%	+3.5%
Dec 31, 2025	28.16%	+34.5%
Dec 31, 2024	20.93%	-31.6%
Dec 31, 2023	30.59%	-24.6%
Dec 31, 2022	40.56%	+31.0%
Dec 31, 2021	30.96%	-47.1%
Dec 31, 2020	58.50%	+109.5%
Dec 31, 2019	27.93%	-1.8%
Dec 31, 2018	28.45%	+65.3%
Dec 31, 2017	17.21%	-43.5%
Dec 31, 2016	30.47%	+23.7%
Dec 31, 2015	24.63%	+21.6%
Dec 31, 2014	20.26%	-1.4%
Dec 31, 2013	20.54%	-15.3%
Dec 31, 2012	24.24%	-35.8%
Dec 31, 2011	37.78%	+15.7%
Dec 31, 2010	32.64%	-69.9%
Dec 31, 2009	108.51%	+26.2%
Dec 31, 2008	86.00%	+184.2%
Dec 31, 2007	30.26%	+48.0%
Dec 31, 2006	20.44%	+0.9%
Dec 31, 2005	20.26%	-13.2%
Dec 31, 2004	23.35%	-16.8%
Dec 31, 2003	28.07%	-28.3%

Date	Value	Change
Dec 31, 2002	39.15%	+2.6%
Dec 31, 2001	38.15%	-26.0%
Dec 31, 2000	51.57%	+33.2%
Dec 31, 1999	38.73%	+14.7%
Dec 31, 1998	33.77%	-9.7%
Dec 31, 1997	37.41%	+68.7%
Dec 31, 1996	22.17%	-2.4%
Dec 31, 1995	22.72%	-3.2%
Dec 31, 1994	23.47%	-21.4%
Dec 31, 1993	29.86%	+33.2%
Dec 31, 1992	22.41%	-26.2%
Dec 31, 1991	30.37%	-23.7%
Dec 31, 1990	39.82%	+95.1%
Dec 31, 1989	20.41%	-21.3%
Dec 31, 1988	25.94%	-40.7%
Dec 31, 1987	43.76%	+42.0%
Dec 31, 1986	30.82%	+47.7%
Dec 31, 1985	20.87%	+7.0%
Dec 31, 1984	19.51%	-18.3%
Dec 31, 1983	23.88%	+21.0%
Dec 31, 1982	19.73%	-6.3%
Dec 31, 1981	21.06%	-11.4%
Dec 31, 1980	23.76%	-

FAQ

What is the current 1-year volatility of STT?
As of today, STT 1-year volatility is 29.21%
What 1-year volatility category does STT fall into?
Based on its current 1-year historical volatility, STT falls into the moderate volatility category
What is STT 1-year volatility 1-year high?
STT 1-year volatility reached a 1-year high of 29.21% on February 25, 2026
What is STT 1-year volatility 1-year low?
STT 1-year volatility reached a 1-year low of 21.67% on February 27, 2025

Data Sources & References

STT Official Website www.statestreet.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/93751/000009375126000008/0000093751-26-000008-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/93751/000009375126000008/0000093751-26-000008-index.htm
STT Profile on Yahoo Finance finance.yahoo.com/quote/STT
STT Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/stt