What is the current 10-day volatility of TMUS?

As of today, TMUS 10-day volatility is 70.76%

What 10-day volatility category does TMUS fall into?

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

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

TMUS 10-day volatility reached a 1-year high of 70.80% on July 30, 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 54.44%

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 38.51%

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 39.98% on July 24, 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 28.71%

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 28.71% on July 31, 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

70.76%

July 31, 2026

Summary

Current Value: As of today, TMUS 10-day volatility is 70.76%, down -0.06% on July 31, 2026
Value Category: Based on its current 10-day historical volatility, TMUS falls into the extreme volatility category
1-Year High: TMUS 10-day volatility reached a 1-year high of 70.80% on July 30, 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	Jul 31, 26	70.76%	-0.1%	+105.3%	+46.3%	+398.3%	+94.9%	+287.3%	+320.4%
1-Month Volatility	Jul 31, 26	54.44%	-0.9%	+63.0%	+45.5%	+178.3%	+91.8%	+271.9%	+286.4%
3-Month Volatility	Jul 31, 26	38.51%	-0.0%	+25.4%	+25.8%	+79.7%	+58.5%	+65.4%	+86.4%
1-Year Volatility	Jul 31, 26	28.71%	+0.1%	+13.0%	+16.7%	+5.3%	+3.0%	+28.0%	+15.5%
14-Day RSI	Jul 31, 26	41.14	-1.1%	+35.7%	-14.3%	-17.3%	-22.9%	-12.2%	-8.3%
Beta	Jul 31, 26	-0.38	0.0%	+11.6%	-35.7%	-258.3%	-208.6%	-177.6%	-141.3%
ATR	Jul 31, 26	$7.19	-3.5%	+24.2%	+9.3%	+99.7%	+39.7%	+177.4%	+208.2%
Price	Jul 31, 26	$172.71	-0.4%	+3.0%	-11.7%	-14.9%	-27.6%	+25.4%	+19.9%
200-Day SMA	Jul 31, 26	$199.07	-0.1%	-2.8%	-8.2%	-14.9%	-17.0%	+39.4%	+51.4%
50-Day SMA	Jul 31, 26	$183.58	-0.2%	-2.1%	-11.1%	-11.5%	-22.0%	+34.5%	+27.1%
20-Day SMA	Jul 31, 26	$183.96	-0.1%	+1.3%	-5.4%	-8.3%	-21.5%	+31.6%	+25.9%

10-Day Volatility History

Date	Value	Change
Jul 31, 2026	70.76%	+398.3%
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 70.76%
What 10-day volatility category does TMUS fall into?: Based on its current 10-day historical volatility, TMUS falls into the extreme volatility category
What is TMUS 10-day volatility 1-year high?: TMUS 10-day volatility reached a 1-year high of 70.80% on July 30, 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

54.44%

July 31, 2026

Summary

Current Value: As of today, TMUS 1-month volatility is 54.44%, down -0.86% on July 31, 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	Jul 31, 26	54.44%	-0.9%	+63.0%	+45.5%	+178.3%	+91.8%	+271.9%	+286.4%
10-Day Volatility	Jul 31, 26	70.76%	-0.1%	+105.3%	+46.3%	+398.3%	+94.9%	+287.3%	+320.4%
3-Month Volatility	Jul 31, 26	38.51%	-0.0%	+25.4%	+25.8%	+79.7%	+58.5%	+65.4%	+86.4%
1-Year Volatility	Jul 31, 26	28.71%	+0.1%	+13.0%	+16.7%	+5.3%	+3.0%	+28.0%	+15.5%
14-Day RSI	Jul 31, 26	41.14	-1.1%	+35.7%	-14.3%	-17.3%	-22.9%	-12.2%	-8.3%
Beta	Jul 31, 26	-0.38	0.0%	+11.6%	-35.7%	-258.3%	-208.6%	-177.6%	-141.3%
ATR	Jul 31, 26	$7.19	-3.5%	+24.2%	+9.3%	+99.7%	+39.7%	+177.4%	+208.2%
Price	Jul 31, 26	$172.71	-0.4%	+3.0%	-11.7%	-14.9%	-27.6%	+25.4%	+19.9%
200-Day SMA	Jul 31, 26	$199.07	-0.1%	-2.8%	-8.2%	-14.9%	-17.0%	+39.4%	+51.4%
50-Day SMA	Jul 31, 26	$183.58	-0.2%	-2.1%	-11.1%	-11.5%	-22.0%	+34.5%	+27.1%
20-Day SMA	Jul 31, 26	$183.96	-0.1%	+1.3%	-5.4%	-8.3%	-21.5%	+31.6%	+25.9%

1-Month Volatility History

Date	Value	Change
Jul 31, 2026	53.62%	+176.0%
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 54.44%
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

38.51%

July 31, 2026

Summary

Current Value: As of today, TMUS 3-month volatility is 38.51%, down -0.03% on July 31, 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 39.98% on July 24, 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	Jul 31, 26	38.51%	-0.0%	+25.4%	+25.8%	+79.7%	+58.5%	+65.4%	+86.4%
10-Day Volatility	Jul 31, 26	70.76%	-0.1%	+105.3%	+46.3%	+398.3%	+94.9%	+287.3%	+320.4%
1-Month Volatility	Jul 31, 26	54.44%	-0.9%	+63.0%	+45.5%	+178.3%	+91.8%	+271.9%	+286.4%
1-Year Volatility	Jul 31, 26	28.71%	+0.1%	+13.0%	+16.7%	+5.3%	+3.0%	+28.0%	+15.5%
14-Day RSI	Jul 31, 26	41.14	-1.1%	+35.7%	-14.3%	-17.3%	-22.9%	-12.2%	-8.3%
Beta	Jul 31, 26	-0.38	0.0%	+11.6%	-35.7%	-258.3%	-208.6%	-177.6%	-141.3%
ATR	Jul 31, 26	$7.19	-3.5%	+24.2%	+9.3%	+99.7%	+39.7%	+177.4%	+208.2%
Price	Jul 31, 26	$172.71	-0.4%	+3.0%	-11.7%	-14.9%	-27.6%	+25.4%	+19.9%
200-Day SMA	Jul 31, 26	$199.07	-0.1%	-2.8%	-8.2%	-14.9%	-17.0%	+39.4%	+51.4%
50-Day SMA	Jul 31, 26	$183.58	-0.2%	-2.1%	-11.1%	-11.5%	-22.0%	+34.5%	+27.1%
20-Day SMA	Jul 31, 26	$183.96	-0.1%	+1.3%	-5.4%	-8.3%	-21.5%	+31.6%	+25.9%

3-Month Volatility History

Date	Value	Change
Jul 31, 2026	38.21%	+75.5%
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 38.51%
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 39.98% on July 24, 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

28.71%

July 31, 2026

Summary

Current Value: As of today, TMUS 1-year volatility is 28.71%, up +0.10% on July 31, 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 28.71% on July 31, 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	Jul 31, 26	28.71%	+0.1%	+13.0%	+16.7%	+5.3%	+3.0%	+28.0%	+15.5%
10-Day Volatility	Jul 31, 26	70.76%	-0.1%	+105.3%	+46.3%	+398.3%	+94.9%	+287.3%	+320.4%
1-Month Volatility	Jul 31, 26	54.44%	-0.9%	+63.0%	+45.5%	+178.3%	+91.8%	+271.9%	+286.4%
3-Month Volatility	Jul 31, 26	38.51%	-0.0%	+25.4%	+25.8%	+79.7%	+58.5%	+65.4%	+86.4%
1-Year Volatility	Jul 31, 26	28.71%	+0.1%	+13.0%	+16.7%	+5.3%	+3.0%	+28.0%	+15.5%
14-Day RSI	Jul 31, 26	41.14	-1.1%	+35.7%	-14.3%	-17.3%	-22.9%	-12.2%	-8.3%
Beta	Jul 31, 26	-0.38	0.0%	+11.6%	-35.7%	-258.3%	-208.6%	-177.6%	-141.3%
ATR	Jul 31, 26	$7.19	-3.5%	+24.2%	+9.3%	+99.7%	+39.7%	+177.4%	+208.2%
Price	Jul 31, 26	$172.71	-0.4%	+3.0%	-11.7%	-14.9%	-27.6%	+25.4%	+19.9%
200-Day SMA	Jul 31, 26	$199.07	-0.1%	-2.8%	-8.2%	-14.9%	-17.0%	+39.4%	+51.4%
50-Day SMA	Jul 31, 26	$183.58	-0.2%	-2.1%	-11.1%	-11.5%	-22.0%	+34.5%	+27.1%
20-Day SMA	Jul 31, 26	$183.96	-0.1%	+1.3%	-5.4%	-8.3%	-21.5%	+31.6%	+25.9%

1-Year Volatility History

Date	Value	Change
Jul 31, 2026	28.66%	+5.1%
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 28.71%
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 28.71% on July 31, 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