What is the current 10-day volatility of TMUS?

As of today, TMUS 10-day volatility is 22.43%

What 10-day volatility category does TMUS fall into?

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

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

TMUS 10-day volatility reached a 1-year high of 71.80% on August 3, 2026

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

TMUS 10-day volatility reached a 1-year low of 7.87% on September 30, 2025

What is the current 1-month volatility of TMUS?

As of today, TMUS 1-month volatility is 52.02%

What 1-month volatility category does TMUS fall into?

Based on its current 1-month historical volatility, TMUS falls into the high volatility category

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

TMUS 1-month volatility reached a 1-year high of 58.47% on July 24, 2026

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

TMUS 1-month volatility reached a 1-year low of 14.35% on January 9, 2026

What is the current 3-month volatility of TMUS?

As of today, TMUS 3-month volatility is 39.74%

What 3-month volatility category does TMUS fall into?

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

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

TMUS 3-month volatility reached a 1-year high of 40.18% on August 14, 2026

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

TMUS 3-month volatility reached a 1-year low of 18.74% on October 28, 2025

What is the current 1-year volatility of TMUS?

As of today, TMUS 1-year volatility is 29.14%

What 1-year volatility category does TMUS fall into?

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

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

TMUS 1-year volatility reached a 1-year high of 29.18% on August 18, 2026

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

TMUS 1-year volatility reached a 1-year low of 23.70% on April 24, 2026

TMUS Stock Volatility History & Chart Since 2007

10-Day

22.43%

August 21, 2026

Summary

Current Value: As of today, TMUS 10-day volatility is 22.43%, down -6.15% on August 21, 2026
Value Category: Based on its current 10-day historical volatility, TMUS falls into the low volatility category
1-Year High: TMUS 10-day volatility reached a 1-year high of 71.80% on August 3, 2026
1-Year Low: TMUS 10-day volatility reached a 1-year low of 7.87% on September 30, 2025

10-Day Volatility Chart

Performance

TMUS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Aug 21, 26	22.43%	-6.2%	-27.8%	-12.3%	+58.0%	+67.9%	+97.6%	+27.6%
1-Month Volatility	Aug 21, 26	52.02%	+1.5%	+41.7%	+45.8%	+165.9%	+106.8%	+269.5%	+287.6%
3-Month Volatility	Aug 21, 26	39.74%	+0.9%	+20.6%	+42.7%	+85.4%	+68.0%	+78.6%	+179.7%
1-Year Volatility	Aug 21, 26	29.14%	-0.1%	+11.2%	+18.2%	+6.9%	+4.7%	+30.0%	+21.1%
14-Day RSI	Aug 21, 26	52.73	+4.5%	-6.0%	+13.4%	+6.0%	-24.3%	+25.7%	+20.3%
Beta	Aug 21, 26	-0.37	+2.6%	+17.8%	-27.6%	-254.2%	-202.8%	-174.0%	-141.1%
ATR	Aug 21, 26	$5.43	-1.1%	-5.6%	+5.8%	+50.8%	+24.3%	+155.0%	+148.2%
Price	Aug 21, 26	$183.04	+1.0%	-4.0%	-4.1%	-9.8%	-29.1%	+35.0%	+29.1%
200-Day SMA	Aug 21, 26	$195.96	-0.1%	-2.5%	-8.2%	-16.3%	-19.0%	+37.4%	+46.5%
50-Day SMA	Aug 21, 26	$181.73	-0.0%	-2.0%	-8.5%	-12.4%	-23.5%	+32.7%	+25.5%
20-Day SMA	Aug 21, 26	$179.07	+0.1%	-2.5%	-6.5%	-10.7%	-27.4%	+29.9%	+25.1%

10-Day Volatility History

Date	Value	Change
Aug 21, 2026	22.43%	+58.0%
Dec 31, 2025	14.20%	-36.4%
Dec 31, 2024	22.33%	+143.0%
Dec 31, 2023	9.19%	-41.8%
Dec 31, 2022	15.79%	+25.1%
Dec 31, 2021	12.62%	-6.4%
Dec 31, 2020	13.48%	+43.6%
Dec 31, 2019	9.39%	-69.1%
Dec 31, 2018	30.34%	+133.0%
Dec 31, 2017	13.02%	+21.3%

Date	Value	Change
Dec 31, 2016	10.73%	-63.2%
Dec 31, 2015	29.17%	+24.8%
Dec 31, 2014	23.38%	-43.0%
Dec 31, 2013	41.04%	+245.7%
Dec 31, 2012	11.87%	-77.9%
Dec 31, 2011	53.81%	+68.4%
Dec 31, 2010	31.95%	-30.9%
Dec 31, 2009	46.26%	+16.4%
Dec 31, 2008	39.74%	-35.7%
Dec 31, 2007	61.82%	-

FAQ

What is the current 10-day volatility of TMUS?: As of today, TMUS 10-day volatility is 22.43%
What 10-day volatility category does TMUS fall into?: Based on its current 10-day historical volatility, TMUS falls into the low volatility category
What is TMUS 10-day volatility 1-year high?: TMUS 10-day volatility reached a 1-year high of 71.80% on August 3, 2026
What is TMUS 10-day volatility 1-year low?: TMUS 10-day volatility reached a 1-year low of 7.87% on September 30, 2025

1-Month

52.02%

August 21, 2026

Summary

Current Value: As of today, TMUS 1-month volatility is 52.02%, up +1.48% on August 21, 2026
Value Category: Based on its current 1-month historical volatility, TMUS falls into the high volatility category
1-Year High: TMUS 1-month volatility reached a 1-year high of 58.47% on July 24, 2026
1-Year Low: TMUS 1-month volatility reached a 1-year low of 14.35% on January 9, 2026

Performance

TMUS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Aug 21, 26	52.02%	+1.5%	+41.7%	+45.8%	+165.9%	+106.8%	+269.5%	+287.6%
10-Day Volatility	Aug 21, 26	22.43%	-6.2%	-27.8%	-12.3%	+58.0%	+67.9%	+97.6%	+27.6%
3-Month Volatility	Aug 21, 26	39.74%	+0.9%	+20.6%	+42.7%	+85.4%	+68.0%	+78.6%	+179.7%
1-Year Volatility	Aug 21, 26	29.14%	-0.1%	+11.2%	+18.2%	+6.9%	+4.7%	+30.0%	+21.1%
14-Day RSI	Aug 21, 26	52.73	+4.5%	-6.0%	+13.4%	+6.0%	-24.3%	+25.7%	+20.3%
Beta	Aug 21, 26	-0.37	+2.6%	+17.8%	-27.6%	-254.2%	-202.8%	-174.0%	-141.1%
ATR	Aug 21, 26	$5.43	-1.1%	-5.6%	+5.8%	+50.8%	+24.3%	+155.0%	+148.2%
Price	Aug 21, 26	$183.04	+1.0%	-4.0%	-4.1%	-9.8%	-29.1%	+35.0%	+29.1%
200-Day SMA	Aug 21, 26	$195.96	-0.1%	-2.5%	-8.2%	-16.3%	-19.0%	+37.4%	+46.5%
50-Day SMA	Aug 21, 26	$181.73	-0.0%	-2.0%	-8.5%	-12.4%	-23.5%	+32.7%	+25.5%
20-Day SMA	Aug 21, 26	$179.07	+0.1%	-2.5%	-6.5%	-10.7%	-27.4%	+29.9%	+25.1%

1-Month Volatility History

Date	Value	Change
Aug 21, 2026	50.83%	+161.6%
Dec 31, 2025	19.43%	-28.3%
Dec 31, 2024	27.11%	+119.9%
Dec 31, 2023	12.33%	-34.4%
Dec 31, 2022	18.80%	-20.6%
Dec 31, 2021	23.69%	+67.9%
Dec 31, 2020	14.11%	-8.2%
Dec 31, 2019	15.37%	-38.3%
Dec 31, 2018	24.92%	+60.1%
Dec 31, 2017	15.57%	-29.2%

Date	Value	Change
Dec 31, 2016	21.98%	-34.6%
Dec 31, 2015	33.63%	-11.6%
Dec 31, 2014	38.03%	-25.0%
Dec 31, 2013	50.71%	+50.2%
Dec 31, 2012	33.77%	-38.1%
Dec 31, 2011	54.58%	+111.5%
Dec 31, 2010	25.81%	-47.8%
Dec 31, 2009	49.45%	-14.6%
Dec 31, 2008	57.91%	-0.8%
Dec 31, 2007	58.35%	-

FAQ

What is the current 1-month volatility of TMUS?: As of today, TMUS 1-month volatility is 52.02%
What 1-month volatility category does TMUS fall into?: Based on its current 1-month historical volatility, TMUS falls into the high volatility category
What is TMUS 1-month volatility 1-year high?: TMUS 1-month volatility reached a 1-year high of 58.47% on July 24, 2026
What is TMUS 1-month volatility 1-year low?: TMUS 1-month volatility reached a 1-year low of 14.35% on January 9, 2026

3-Month

39.74%

August 21, 2026

Summary

Current Value: As of today, TMUS 3-month volatility is 39.74%, up +0.91% on August 21, 2026
Value Category: Based on its current 3-month historical volatility, TMUS falls into the moderate volatility category
1-Year High: TMUS 3-month volatility reached a 1-year high of 40.18% on August 14, 2026
1-Year Low: TMUS 3-month volatility reached a 1-year low of 18.74% on October 28, 2025

Performance

TMUS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Aug 21, 26	39.74%	+0.9%	+20.6%	+42.7%	+85.4%	+68.0%	+78.6%	+179.7%
10-Day Volatility	Aug 21, 26	22.43%	-6.2%	-27.8%	-12.3%	+58.0%	+67.9%	+97.6%	+27.6%
1-Month Volatility	Aug 21, 26	52.02%	+1.5%	+41.7%	+45.8%	+165.9%	+106.8%	+269.5%	+287.6%
1-Year Volatility	Aug 21, 26	29.14%	-0.1%	+11.2%	+18.2%	+6.9%	+4.7%	+30.0%	+21.1%
14-Day RSI	Aug 21, 26	52.73	+4.5%	-6.0%	+13.4%	+6.0%	-24.3%	+25.7%	+20.3%
Beta	Aug 21, 26	-0.37	+2.6%	+17.8%	-27.6%	-254.2%	-202.8%	-174.0%	-141.1%
ATR	Aug 21, 26	$5.43	-1.1%	-5.6%	+5.8%	+50.8%	+24.3%	+155.0%	+148.2%
Price	Aug 21, 26	$183.04	+1.0%	-4.0%	-4.1%	-9.8%	-29.1%	+35.0%	+29.1%
200-Day SMA	Aug 21, 26	$195.96	-0.1%	-2.5%	-8.2%	-16.3%	-19.0%	+37.4%	+46.5%
50-Day SMA	Aug 21, 26	$181.73	-0.0%	-2.0%	-8.5%	-12.4%	-23.5%	+32.7%	+25.5%
20-Day SMA	Aug 21, 26	$179.07	+0.1%	-2.5%	-6.5%	-10.7%	-27.4%	+29.9%	+25.1%

3-Month Volatility History

Date	Value	Change
Aug 21, 2026	39.42%	+81.1%
Dec 31, 2025	21.77%	-9.6%
Dec 31, 2024	24.09%	+66.5%
Dec 31, 2023	14.47%	-43.1%
Dec 31, 2022	25.41%	+0.8%
Dec 31, 2021	25.21%	+6.0%
Dec 31, 2020	23.78%	+43.1%
Dec 31, 2019	16.62%	-39.5%
Dec 31, 2018	27.47%	+9.5%
Dec 31, 2017	25.08%	-10.7%

Date	Value	Change
Dec 31, 2016	28.07%	-13.1%
Dec 31, 2015	32.30%	+3.4%
Dec 31, 2014	31.25%	-15.9%
Dec 31, 2013	37.16%	-31.5%
Dec 31, 2012	54.27%	-18.3%
Dec 31, 2011	66.40%	+100.0%
Dec 31, 2010	33.20%	-39.8%
Dec 31, 2009	55.17%	-33.3%
Dec 31, 2008	82.67%	+1.6%
Dec 31, 2007	81.33%	-

FAQ

What is the current 3-month volatility of TMUS?: As of today, TMUS 3-month volatility is 39.74%
What 3-month volatility category does TMUS fall into?: Based on its current 3-month historical volatility, TMUS falls into the moderate volatility category
What is TMUS 3-month volatility 1-year high?: TMUS 3-month volatility reached a 1-year high of 40.18% on August 14, 2026
What is TMUS 3-month volatility 1-year low?: TMUS 3-month volatility reached a 1-year low of 18.74% on October 28, 2025

1-Year

29.14%

August 21, 2026

Summary

Current Value: As of today, TMUS 1-year volatility is 29.14%, down -0.07% on August 21, 2026
Value Category: Based on its current 1-year historical volatility, TMUS falls into the moderate volatility category
1-Year High: TMUS 1-year volatility reached a 1-year high of 29.18% on August 18, 2026
1-Year Low: TMUS 1-year volatility reached a 1-year low of 23.70% on April 24, 2026

Performance

TMUS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Aug 21, 26	29.14%	-0.1%	+11.2%	+18.2%	+6.9%	+4.7%	+30.0%	+21.1%
10-Day Volatility	Aug 21, 26	22.43%	-6.2%	-27.8%	-12.3%	+58.0%	+67.9%	+97.6%	+27.6%
1-Month Volatility	Aug 21, 26	52.02%	+1.5%	+41.7%	+45.8%	+165.9%	+106.8%	+269.5%	+287.6%
3-Month Volatility	Aug 21, 26	39.74%	+0.9%	+20.6%	+42.7%	+85.4%	+68.0%	+78.6%	+179.7%
1-Year Volatility	Aug 21, 26	29.14%	-0.1%	+11.2%	+18.2%	+6.9%	+4.7%	+30.0%	+21.1%
14-Day RSI	Aug 21, 26	52.73	+4.5%	-6.0%	+13.4%	+6.0%	-24.3%	+25.7%	+20.3%
Beta	Aug 21, 26	-0.37	+2.6%	+17.8%	-27.6%	-254.2%	-202.8%	-174.0%	-141.1%
ATR	Aug 21, 26	$5.43	-1.1%	-5.6%	+5.8%	+50.8%	+24.3%	+155.0%	+148.2%
Price	Aug 21, 26	$183.04	+1.0%	-4.0%	-4.1%	-9.8%	-29.1%	+35.0%	+29.1%
200-Day SMA	Aug 21, 26	$195.96	-0.1%	-2.5%	-8.2%	-16.3%	-19.0%	+37.4%	+46.5%
50-Day SMA	Aug 21, 26	$181.73	-0.0%	-2.0%	-8.5%	-12.4%	-23.5%	+32.7%	+25.5%
20-Day SMA	Aug 21, 26	$179.07	+0.1%	-2.5%	-6.5%	-10.7%	-27.4%	+29.9%	+25.1%

1-Year Volatility History

Date	Value	Change
Aug 21, 2026	29.18%	+7.0%
Dec 31, 2025	27.26%	+57.8%
Dec 31, 2024	17.28%	-8.1%
Dec 31, 2023	18.81%	-36.2%
Dec 31, 2022	29.48%	+23.7%
Dec 31, 2021	23.84%	-41.5%
Dec 31, 2020	40.74%	+97.8%
Dec 31, 2019	20.60%	-18.3%
Dec 31, 2018	25.20%	+10.9%
Dec 31, 2017	22.72%	-18.6%

Date	Value	Change
Dec 31, 2016	27.90%	+4.2%
Dec 31, 2015	26.78%	-13.9%
Dec 31, 2014	31.12%	-27.6%
Dec 31, 2013	42.97%	-31.4%
Dec 31, 2012	62.68%	+3.3%
Dec 31, 2011	60.68%	+47.9%
Dec 31, 2010	41.03%	-34.3%
Dec 31, 2009	62.45%	+2.6%
Dec 31, 2008	60.86%	-13.5%
Dec 31, 2007	70.35%	-

FAQ

What is the current 1-year volatility of TMUS?: As of today, TMUS 1-year volatility is 29.14%
What 1-year volatility category does TMUS fall into?: Based on its current 1-year historical volatility, TMUS falls into the moderate volatility category
What is TMUS 1-year volatility 1-year high?: TMUS 1-year volatility reached a 1-year high of 29.18% on August 18, 2026
What is TMUS 1-year volatility 1-year low?: TMUS 1-year volatility reached a 1-year low of 23.70% on April 24, 2026

Data Sources & References

TMUS Official Website www.t-mobile.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1283699/000128369926000010/0001283699-26-000010-index.htm
TMUS Profile on Yahoo Finance finance.yahoo.com/quote/TMUS
TMUS Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/tmus