What is the current 10-day volatility of T?

As of today, T 10-day volatility is 22.51%

What 10-day volatility category does T fall into?

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

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

T 10-day volatility reached a 1-year high of 42.17% on July 7, 2026

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

T 10-day volatility reached a 1-year low of 8.50% on December 31, 2025

What is the current 1-month volatility of T?

As of today, T 1-month volatility is 18.87%

What 1-month volatility category does T fall into?

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

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

T 1-month volatility reached a 1-year high of 37.71% on July 24, 2026

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

T 1-month volatility reached a 1-year low of 13.00% on December 31, 2025

What is the current 3-month volatility of T?

As of today, T 3-month volatility is 29.06%

What 3-month volatility category does T fall into?

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

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

T 3-month volatility reached a 1-year high of 31.44% on August 7, 2026

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

T 3-month volatility reached a 1-year low of 15.40% on January 26, 2026

What is the current 1-year volatility of T?

As of today, T 1-year volatility is 25.10%

What 1-year volatility category does T fall into?

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

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

T 1-year volatility reached a 1-year high of 25.16% on August 28, 2026

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

T 1-year volatility reached a 1-year low of 21.46% on January 27, 2026

AT&T Inc. (T) Stock Volatility History & Chart Since 1983

10-Day

22.51%

September 11, 2026

Summary

Current Value: As of today, T 10-day volatility is 22.51%, down -1.75% on September 11, 2026
Value Category: Based on its current 10-day historical volatility, T falls into the low volatility category
1-Year High: T 10-day volatility reached a 1-year high of 42.17% on July 7, 2026
1-Year Low: T 10-day volatility reached a 1-year low of 8.50% on December 31, 2025

10-Day Volatility Chart

Performance

T Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 11, 26	22.51%	-1.8%	-28.5%	-26.6%	+164.8%	+7.7%	-7.6%	+71.4%
1-Month Volatility	Sep 11, 26	18.87%	-1.3%	-39.6%	-30.3%	+44.2%	+2.7%	+1.9%	+57.5%
3-Month Volatility	Sep 11, 26	29.06%	+0.2%	-7.5%	+19.1%	+47.7%	+68.7%	+1.3%	+139.4%
1-Year Volatility	Sep 11, 26	25.10%	+0.2%	+0.2%	+13.3%	+12.6%	+9.7%	-10.9%	+29.6%
14-Day RSI	Sep 11, 26	60.99	+7.6%	-4.4%	+80.7%	+21.3%	+3.6%	+18.7%	+52.9%
Beta	Sep 11, 26	-0.33	+2.9%	+5.7%	-32.0%	-335.7%	-353.9%	-158.9%	-180.5%
ATR	Sep 11, 26	$0.56	+2.1%	-19.6%	-6.7%	+54.5%	+2.8%	+111.4%	+121.3%
Price	Sep 11, 26	$26.06	+2.0%	+6.4%	+13.3%	+4.9%	-11.6%	+79.5%	+26.9%
200-Day SMA	Sep 11, 26	$25.14	0.0%	+0.1%	-4.1%	-7.2%	-4.8%	+45.3%	+13.9%
50-Day SMA	Sep 11, 26	$23.86	+0.5%	+5.3%	-6.0%	-4.7%	-15.6%	+63.7%	+13.0%
20-Day SMA	Sep 11, 26	$25.54	+0.3%	+9.8%	+5.8%	+3.8%	-12.2%	+77.9%	+22.8%

10-Day Volatility History

Date	Value	Change
Sep 11, 2026	22.51%	+164.8%
Dec 31, 2025	8.50%	-31.0%
Dec 31, 2024	12.31%	+9.2%
Dec 31, 2023	11.27%	-49.4%
Dec 31, 2022	22.26%	+67.9%
Dec 31, 2021	13.26%	-26.8%
Dec 31, 2020	18.12%	+177.1%
Dec 31, 2019	6.54%	-79.1%
Dec 31, 2018	31.26%	+135.9%
Dec 31, 2017	13.25%	+57.6%
Dec 31, 2016	8.41%	-45.7%
Dec 31, 2015	15.50%	-11.7%
Dec 31, 2014	17.56%	+50.7%
Dec 31, 2013	11.65%	-18.6%
Dec 31, 2012	14.31%	+59.0%
Dec 31, 2011	9.00%	+192.2%
Dec 31, 2010	3.08%	-74.9%
Dec 31, 2009	12.25%	-24.4%
Dec 31, 2008	16.20%	-37.9%
Dec 31, 2007	26.08%	+127.0%
Dec 31, 2006	11.49%	+52.0%
Dec 31, 2005	7.56%	+24.5%

Date	Value	Change
Dec 31, 2004	6.07%	-62.1%
Dec 31, 2003	16.01%	-31.5%
Dec 31, 2002	23.36%	+12.7%
Dec 31, 2001	20.72%	-72.1%
Dec 31, 2000	74.34%	+144.5%
Dec 31, 1999	30.41%	-21.1%
Dec 31, 1998	38.56%	+70.2%
Dec 31, 1997	22.66%	-41.2%
Dec 31, 1996	38.54%	+141.0%
Dec 31, 1995	15.99%	0.0%
Dec 31, 1994	15.99%	-40.0%
Dec 31, 1993	26.66%	+61.9%
Dec 31, 1992	16.47%	-50.6%
Dec 31, 1991	33.33%	+182.0%
Dec 31, 1990	11.82%	-42.1%
Dec 31, 1989	20.41%	+58.0%
Dec 31, 1988	12.92%	-52.6%
Dec 31, 1987	27.23%	+161.6%
Dec 31, 1986	10.41%	+10.2%
Dec 31, 1985	9.45%	-48.7%
Dec 31, 1984	18.41%	+141.6%
Dec 31, 1983	7.62%	-

FAQ

What is the current 10-day volatility of T?: As of today, T 10-day volatility is 22.51%
What 10-day volatility category does T fall into?: Based on its current 10-day historical volatility, T falls into the low volatility category
What is T 10-day volatility 1-year high?: T 10-day volatility reached a 1-year high of 42.17% on July 7, 2026
What is T 10-day volatility 1-year low?: T 10-day volatility reached a 1-year low of 8.50% on December 31, 2025

1-Month

18.87%

September 11, 2026

Summary

Current Value: As of today, T 1-month volatility is 18.87%, down -1.31% on September 11, 2026
Value Category: Based on its current 1-month historical volatility, T falls into the low volatility category
1-Year High: T 1-month volatility reached a 1-year high of 37.71% on July 24, 2026
1-Year Low: T 1-month volatility reached a 1-year low of 13.00% on December 31, 2025

Performance

T Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 11, 26	18.87%	-1.3%	-39.6%	-30.3%	+44.2%	+2.7%	+1.9%	+57.5%
10-Day Volatility	Sep 11, 26	22.51%	-1.8%	-28.5%	-26.6%	+164.8%	+7.7%	-7.6%	+71.4%
3-Month Volatility	Sep 11, 26	29.06%	+0.2%	-7.5%	+19.1%	+47.7%	+68.7%	+1.3%	+139.4%
1-Year Volatility	Sep 11, 26	25.10%	+0.2%	+0.2%	+13.3%	+12.6%	+9.7%	-10.9%	+29.6%
14-Day RSI	Sep 11, 26	60.99	+7.6%	-4.4%	+80.7%	+21.3%	+3.6%	+18.7%	+52.9%
Beta	Sep 11, 26	-0.33	+2.9%	+5.7%	-32.0%	-335.7%	-353.9%	-158.9%	-180.5%
ATR	Sep 11, 26	$0.56	+2.1%	-19.6%	-6.7%	+54.5%	+2.8%	+111.4%	+121.3%
Price	Sep 11, 26	$26.06	+2.0%	+6.4%	+13.3%	+4.9%	-11.6%	+79.5%	+26.9%
200-Day SMA	Sep 11, 26	$25.14	0.0%	+0.1%	-4.1%	-7.2%	-4.8%	+45.3%	+13.9%
50-Day SMA	Sep 11, 26	$23.86	+0.5%	+5.3%	-6.0%	-4.7%	-15.6%	+63.7%	+13.0%
20-Day SMA	Sep 11, 26	$25.54	+0.3%	+9.8%	+5.8%	+3.8%	-12.2%	+77.9%	+22.8%

1-Month Volatility History

Date	Value	Change
Sep 11, 2026	18.87%	+45.2%
Dec 31, 2025	13.00%	-48.4%
Dec 31, 2024	25.20%	+30.4%
Dec 31, 2023	19.33%	-7.6%
Dec 31, 2022	20.93%	-33.8%
Dec 31, 2021	31.62%	+33.4%
Dec 31, 2020	23.70%	+211.0%
Dec 31, 2019	7.62%	-72.0%
Dec 31, 2018	27.24%	+40.3%
Dec 31, 2017	19.42%	+37.3%
Dec 31, 2016	14.14%	-25.2%
Dec 31, 2015	18.91%	-3.2%
Dec 31, 2014	19.54%	+56.2%
Dec 31, 2013	12.51%	-0.9%
Dec 31, 2012	12.62%	+10.8%
Dec 31, 2011	11.39%	+7.7%
Dec 31, 2010	10.58%	-18.7%
Dec 31, 2009	13.02%	-71.6%
Dec 31, 2008	45.85%	+40.7%
Dec 31, 2007	32.59%	+198.4%
Dec 31, 2006	10.92%	+7.0%
Dec 31, 2005	10.21%	-31.6%

Date	Value	Change
Dec 31, 2004	14.93%	-26.4%
Dec 31, 2003	20.29%	-38.2%
Dec 31, 2002	32.85%	+74.0%
Dec 31, 2001	18.88%	-68.9%
Dec 31, 2000	60.78%	+106.1%
Dec 31, 1999	29.49%	-11.3%
Dec 31, 1998	33.26%	+5.4%
Dec 31, 1997	31.57%	+6.5%
Dec 31, 1996	29.64%	+83.0%
Dec 31, 1995	16.20%	+9.7%
Dec 31, 1994	14.77%	-36.3%
Dec 31, 1993	23.18%	+56.5%
Dec 31, 1992	14.81%	-43.3%
Dec 31, 1991	26.10%	+108.5%
Dec 31, 1990	12.52%	-40.8%
Dec 31, 1989	21.15%	+21.0%
Dec 31, 1988	17.48%	-37.7%
Dec 31, 1987	28.07%	+56.5%
Dec 31, 1986	17.94%	+42.2%
Dec 31, 1985	12.62%	-13.3%
Dec 31, 1984	14.55%	+73.8%
Dec 31, 1983	8.37%	-

FAQ

What is the current 1-month volatility of T?: As of today, T 1-month volatility is 18.87%
What 1-month volatility category does T fall into?: Based on its current 1-month historical volatility, T falls into the low volatility category
What is T 1-month volatility 1-year high?: T 1-month volatility reached a 1-year high of 37.71% on July 24, 2026
What is T 1-month volatility 1-year low?: T 1-month volatility reached a 1-year low of 13.00% on December 31, 2025

3-Month

29.06%

September 11, 2026

Summary

Current Value: As of today, T 3-month volatility is 29.06%, up +0.21% on September 11, 2026
Value Category: Based on its current 3-month historical volatility, T falls into the moderate volatility category
1-Year High: T 3-month volatility reached a 1-year high of 31.44% on August 7, 2026
1-Year Low: T 3-month volatility reached a 1-year low of 15.40% on January 26, 2026

Performance

T Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 11, 26	29.06%	+0.2%	-7.5%	+19.1%	+47.7%	+68.7%	+1.3%	+139.4%
10-Day Volatility	Sep 11, 26	22.51%	-1.8%	-28.5%	-26.6%	+164.8%	+7.7%	-7.6%	+71.4%
1-Month Volatility	Sep 11, 26	18.87%	-1.3%	-39.6%	-30.3%	+44.2%	+2.7%	+1.9%	+57.5%
1-Year Volatility	Sep 11, 26	25.10%	+0.2%	+0.2%	+13.3%	+12.6%	+9.7%	-10.9%	+29.6%
14-Day RSI	Sep 11, 26	60.99	+7.6%	-4.4%	+80.7%	+21.3%	+3.6%	+18.7%	+52.9%
Beta	Sep 11, 26	-0.33	+2.9%	+5.7%	-32.0%	-335.7%	-353.9%	-158.9%	-180.5%
ATR	Sep 11, 26	$0.56	+2.1%	-19.6%	-6.7%	+54.5%	+2.8%	+111.4%	+121.3%
Price	Sep 11, 26	$26.06	+2.0%	+6.4%	+13.3%	+4.9%	-11.6%	+79.5%	+26.9%
200-Day SMA	Sep 11, 26	$25.14	0.0%	+0.1%	-4.1%	-7.2%	-4.8%	+45.3%	+13.9%
50-Day SMA	Sep 11, 26	$23.86	+0.5%	+5.3%	-6.0%	-4.7%	-15.6%	+63.7%	+13.0%
20-Day SMA	Sep 11, 26	$25.54	+0.3%	+9.8%	+5.8%	+3.8%	-12.2%	+77.9%	+22.8%

3-Month Volatility History

Date	Value	Change
Sep 11, 2026	29.06%	+45.1%
Dec 31, 2025	20.03%	-8.7%
Dec 31, 2024	21.95%	-12.9%
Dec 31, 2023	25.19%	-10.5%
Dec 31, 2022	28.14%	+12.7%
Dec 31, 2021	24.96%	+6.7%
Dec 31, 2020	23.39%	+35.5%
Dec 31, 2019	17.26%	-39.5%
Dec 31, 2018	28.52%	+23.3%
Dec 31, 2017	23.13%	+34.4%
Dec 31, 2016	17.21%	+16.6%
Dec 31, 2015	14.76%	-4.8%
Dec 31, 2014	15.51%	+1.3%
Dec 31, 2013	15.31%	-2.9%
Dec 31, 2012	15.77%	-10.1%
Dec 31, 2011	17.54%	+32.6%
Dec 31, 2010	13.23%	-21.4%
Dec 31, 2009	16.83%	-77.1%
Dec 31, 2008	73.48%	+170.5%
Dec 31, 2007	27.16%	+54.8%
Dec 31, 2006	17.54%	+23.6%
Dec 31, 2005	14.19%	-13.7%

Date	Value	Change
Dec 31, 2004	16.44%	-19.9%
Dec 31, 2003	20.53%	-57.3%
Dec 31, 2002	48.04%	+70.8%
Dec 31, 2001	28.13%	-37.0%
Dec 31, 2000	44.62%	+17.6%
Dec 31, 1999	37.94%	-0.3%
Dec 31, 1998	38.06%	+36.7%
Dec 31, 1997	27.84%	+25.5%
Dec 31, 1996	22.19%	+26.4%
Dec 31, 1995	17.55%	-12.3%
Dec 31, 1994	20.00%	-28.2%
Dec 31, 1993	27.87%	+57.3%
Dec 31, 1992	17.72%	-25.8%
Dec 31, 1991	23.89%	+4.7%
Dec 31, 1990	22.81%	-8.0%
Dec 31, 1989	24.80%	+49.2%
Dec 31, 1988	16.62%	-60.4%
Dec 31, 1987	42.01%	+178.8%
Dec 31, 1986	15.07%	+17.1%
Dec 31, 1985	12.87%	-17.8%
Dec 31, 1984	15.66%	+60.0%
Dec 31, 1983	9.79%	-

FAQ

What is the current 3-month volatility of T?: As of today, T 3-month volatility is 29.06%
What 3-month volatility category does T fall into?: Based on its current 3-month historical volatility, T falls into the moderate volatility category
What is T 3-month volatility 1-year high?: T 3-month volatility reached a 1-year high of 31.44% on August 7, 2026
What is T 3-month volatility 1-year low?: T 3-month volatility reached a 1-year low of 15.40% on January 26, 2026

1-Year

25.10%

September 11, 2026

Summary

Current Value: As of today, T 1-year volatility is 25.10%, up +0.16% on September 11, 2026
Value Category: Based on its current 1-year historical volatility, T falls into the moderate volatility category
1-Year High: T 1-year volatility reached a 1-year high of 25.16% on August 28, 2026
1-Year Low: T 1-year volatility reached a 1-year low of 21.46% on January 27, 2026

Performance

T Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 11, 26	25.10%	+0.2%	+0.2%	+13.3%	+12.6%	+9.7%	-10.9%	+29.6%
10-Day Volatility	Sep 11, 26	22.51%	-1.8%	-28.5%	-26.6%	+164.8%	+7.7%	-7.6%	+71.4%
1-Month Volatility	Sep 11, 26	18.87%	-1.3%	-39.6%	-30.3%	+44.2%	+2.7%	+1.9%	+57.5%
3-Month Volatility	Sep 11, 26	29.06%	+0.2%	-7.5%	+19.1%	+47.7%	+68.7%	+1.3%	+139.4%
1-Year Volatility	Sep 11, 26	25.10%	+0.2%	+0.2%	+13.3%	+12.6%	+9.7%	-10.9%	+29.6%
14-Day RSI	Sep 11, 26	60.99	+7.6%	-4.4%	+80.7%	+21.3%	+3.6%	+18.7%	+52.9%
Beta	Sep 11, 26	-0.33	+2.9%	+5.7%	-32.0%	-335.7%	-353.9%	-158.9%	-180.5%
ATR	Sep 11, 26	$0.56	+2.1%	-19.6%	-6.7%	+54.5%	+2.8%	+111.4%	+121.3%
Price	Sep 11, 26	$26.06	+2.0%	+6.4%	+13.3%	+4.9%	-11.6%	+79.5%	+26.9%
200-Day SMA	Sep 11, 26	$25.14	0.0%	+0.1%	-4.1%	-7.2%	-4.8%	+45.3%	+13.9%
50-Day SMA	Sep 11, 26	$23.86	+0.5%	+5.3%	-6.0%	-4.7%	-15.6%	+63.7%	+13.0%
20-Day SMA	Sep 11, 26	$25.54	+0.3%	+9.8%	+5.8%	+3.8%	-12.2%	+77.9%	+22.8%

1-Year Volatility History

Date	Value	Change
Sep 11, 2026	25.10%	+12.6%
Dec 31, 2025	22.30%	+7.8%
Dec 31, 2024	20.68%	-24.3%
Dec 31, 2023	27.32%	-0.6%
Dec 31, 2022	27.48%	+38.6%
Dec 31, 2021	19.82%	-44.5%
Dec 31, 2020	35.69%	+91.5%
Dec 31, 2019	18.64%	-21.0%
Dec 31, 2018	23.60%	+34.8%
Dec 31, 2017	17.51%	+18.5%
Dec 31, 2016	14.78%	-8.0%
Dec 31, 2015	16.07%	+11.4%
Dec 31, 2014	14.43%	-7.6%
Dec 31, 2013	15.61%	+9.4%
Dec 31, 2012	14.27%	-22.3%
Dec 31, 2011	18.36%	+17.9%
Dec 31, 2010	15.57%	-42.4%
Dec 31, 2009	27.03%	-40.7%
Dec 31, 2008	45.57%	+101.6%
Dec 31, 2007	22.60%	+31.6%
Dec 31, 2006	17.17%	+29.1%
Dec 31, 2005	13.30%	-30.2%

Date	Value	Change
Dec 31, 2004	19.05%	-44.2%
Dec 31, 2003	34.12%	-20.7%
Dec 31, 2002	43.05%	+27.1%
Dec 31, 2001	33.87%	-23.9%
Dec 31, 2000	44.53%	+23.4%
Dec 31, 1999	36.09%	+7.9%
Dec 31, 1998	33.45%	+26.7%
Dec 31, 1997	26.41%	+25.6%
Dec 31, 1996	21.02%	+6.7%
Dec 31, 1995	19.70%	-14.2%
Dec 31, 1994	22.95%	+7.8%
Dec 31, 1993	21.29%	+25.5%
Dec 31, 1992	16.97%	-20.6%
Dec 31, 1991	21.36%	-8.9%
Dec 31, 1990	23.44%	+17.2%
Dec 31, 1989	20.00%	-1.6%
Dec 31, 1988	20.33%	-28.8%
Dec 31, 1987	28.56%	+53.4%
Dec 31, 1986	18.62%	+31.4%
Dec 31, 1985	14.17%	-13.7%
Dec 31, 1984	16.42%	+67.7%
Dec 31, 1983	9.79%	-

FAQ

What is the current 1-year volatility of T?: As of today, T 1-year volatility is 25.10%
What 1-year volatility category does T fall into?: Based on its current 1-year historical volatility, T falls into the moderate volatility category
What is T 1-year volatility 1-year high?: T 1-year volatility reached a 1-year high of 25.16% on August 28, 2026
What is T 1-year volatility 1-year low?: T 1-year volatility reached a 1-year low of 21.46% on January 27, 2026

Data Sources & References

T Official Website www.att.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/732717/000073271726000046/0000732717-26-000046-index.htm
T Profile on Yahoo Finance finance.yahoo.com/quote/T
T Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/t