What is the current 10-day volatility of DXCM?

As of today, DXCM 10-day volatility is 29.52%

What 10-day volatility category does DXCM fall into?

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

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

DXCM 10-day volatility reached a 1-year high of 91.73% on November 13, 2025

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

DXCM 10-day volatility reached a 1-year low of 9.78% on December 10, 2025

What is the current 1-month volatility of DXCM?

As of today, DXCM 1-month volatility is 24.61%

What 1-month volatility category does DXCM fall into?

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

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

DXCM 1-month volatility reached a 1-year high of 69.07% on November 28, 2025

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

DXCM 1-month volatility reached a 1-year low of 19.44% on January 2, 2026

What is the current 3-month volatility of DXCM?

As of today, DXCM 3-month volatility is 41.68%

What 3-month volatility category does DXCM fall into?

Based on its current 3-month historical volatility, DXCM falls into the high volatility category

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

DXCM 3-month volatility reached a 1-year high of 51.67% on November 24, 2025

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

DXCM 3-month volatility reached a 1-year low of 26.15% on February 11, 2026

What is the current 1-year volatility of DXCM?

As of today, DXCM 1-year volatility is 39.76%

What 1-year volatility category does DXCM fall into?

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

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

DXCM 1-year volatility reached a 1-year high of 46.04% on November 11, 2025

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

DXCM 1-year volatility reached a 1-year low of 38.35% on May 8, 2026

DexCom, Inc. (DXCM) Stock Volatility History & Chart

10-Day

29.52%

September 21, 2026

Summary

Current Value: As of today, DXCM 10-day volatility is 29.52%, down -6.26% on September 21, 2026
Value Category: Based on its current 10-day historical volatility, DXCM falls into the moderate volatility category
1-Year High: DXCM 10-day volatility reached a 1-year high of 91.73% on November 13, 2025
1-Year Low: DXCM 10-day volatility reached a 1-year low of 9.78% on December 10, 2025

10-Day Volatility Chart

Performance

DXCM Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 21, 26	29.52%	-6.3%	+17.1%	-39.3%	+94.8%	-51.3%	-16.8%	+20.4%
1-Month Volatility	Sep 21, 26	24.61%	-1.4%	-50.5%	-37.7%	+23.3%	-57.1%	-40.2%	+18.4%
3-Month Volatility	Sep 21, 26	41.68%	-2.2%	-7.1%	-1.0%	-2.4%	-11.1%	+7.7%	+21.1%
1-Year Volatility	Sep 21, 26	39.76%	-3.7%	-6.2%	-3.5%	-11.4%	-7.5%	-8.3%	+1.3%
14-Day RSI	Sep 21, 26	57.88	-1.1%	-17.4%	+28.4%	+8.7%	+73.7%	+126.5%	-16.9%
Beta	Sep 21, 26	0.65	0.0%	-9.7%	-27.8%	-36.3%	-36.9%	-41.4%	-47.1%
ATR	Sep 21, 26	$2.46	-3.4%	-12.6%	-13.1%	+47.1%	-19.8%	-36.5%	-33.9%
Price	Sep 21, 26	$89.17	-0.2%	-3.4%	+29.1%	+34.4%	+28.3%	+1.9%	-37.5%
200-Day SMA	Sep 21, 26	$72.12	+0.2%	+4.0%	+6.9%	-2.4%	-9.8%	-37.7%	-30.0%
50-Day SMA	Sep 21, 26	$84.13	+0.3%	+8.4%	+26.2%	+31.2%	+5.4%	-25.0%	-33.9%
20-Day SMA	Sep 21, 26	$87.93	-0.2%	+3.1%	+19.9%	+32.1%	+15.8%	-11.9%	-35.4%

10-Day Volatility History

Date	Value	Change
Sep 22, 2026	29.52%	+94.9%
Dec 31, 2025	15.15%	-61.2%
Dec 31, 2024	39.05%	-4.0%
Dec 31, 2023	40.66%	+69.3%
Dec 31, 2022	24.01%	-54.0%
Dec 31, 2021	52.17%	+105.9%
Dec 31, 2020	25.34%	+28.8%
Dec 31, 2019	19.68%	-64.8%
Dec 31, 2018	55.96%	+126.9%
Dec 31, 2017	24.66%	+40.4%
Dec 31, 2016	17.56%	+49.8%

Date	Value	Change
Dec 31, 2015	11.72%	-69.8%
Dec 31, 2014	38.77%	+56.9%
Dec 31, 2013	24.71%	+20.3%
Dec 31, 2012	20.54%	-66.5%
Dec 31, 2011	61.32%	+165.2%
Dec 31, 2010	23.12%	-31.9%
Dec 31, 2009	33.95%	-72.9%
Dec 31, 2008	125.44%	+70.8%
Dec 31, 2007	73.45%	+51.3%
Dec 31, 2006	48.53%	+69.0%
Dec 31, 2005	28.72%	-

FAQ

What is the current 10-day volatility of DXCM?: As of today, DXCM 10-day volatility is 29.52%
What 10-day volatility category does DXCM fall into?: Based on its current 10-day historical volatility, DXCM falls into the moderate volatility category
What is DXCM 10-day volatility 1-year high?: DXCM 10-day volatility reached a 1-year high of 91.73% on November 13, 2025
What is DXCM 10-day volatility 1-year low?: DXCM 10-day volatility reached a 1-year low of 9.78% on December 10, 2025

1-Month

24.61%

September 21, 2026

Summary

Current Value: As of today, DXCM 1-month volatility is 24.61%, down -1.40% on September 21, 2026
Value Category: Based on its current 1-month historical volatility, DXCM falls into the low volatility category
1-Year High: DXCM 1-month volatility reached a 1-year high of 69.07% on November 28, 2025
1-Year Low: DXCM 1-month volatility reached a 1-year low of 19.44% on January 2, 2026

Performance

DXCM Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 21, 26	24.61%	-1.4%	-50.5%	-37.7%	+23.3%	-57.1%	-40.2%	+18.4%
10-Day Volatility	Sep 21, 26	29.52%	-6.3%	+17.1%	-39.3%	+94.8%	-51.3%	-16.8%	+20.4%
3-Month Volatility	Sep 21, 26	41.68%	-2.2%	-7.1%	-1.0%	-2.4%	-11.1%	+7.7%	+21.1%
1-Year Volatility	Sep 21, 26	39.76%	-3.7%	-6.2%	-3.5%	-11.4%	-7.5%	-8.3%	+1.3%
14-Day RSI	Sep 21, 26	57.88	-1.1%	-17.4%	+28.4%	+8.7%	+73.7%	+126.5%	-16.9%
Beta	Sep 21, 26	0.65	0.0%	-9.7%	-27.8%	-36.3%	-36.9%	-41.4%	-47.1%
ATR	Sep 21, 26	$2.46	-3.4%	-12.6%	-13.1%	+47.1%	-19.8%	-36.5%	-33.9%
Price	Sep 21, 26	$89.17	-0.2%	-3.4%	+29.1%	+34.4%	+28.3%	+1.9%	-37.5%
200-Day SMA	Sep 21, 26	$72.12	+0.2%	+4.0%	+6.9%	-2.4%	-9.8%	-37.7%	-30.0%
50-Day SMA	Sep 21, 26	$84.13	+0.3%	+8.4%	+26.2%	+31.2%	+5.4%	-25.0%	-33.9%
20-Day SMA	Sep 21, 26	$87.93	-0.2%	+3.1%	+19.9%	+32.1%	+15.8%	-11.9%	-35.4%

1-Month Volatility History

Date	Value	Change
Sep 22, 2026	24.61%	+26.3%
Dec 31, 2025	19.48%	-40.3%
Dec 31, 2024	32.63%	+5.1%
Dec 31, 2023	31.05%	-10.2%
Dec 31, 2022	34.56%	-34.0%
Dec 31, 2021	52.40%	+55.4%
Dec 31, 2020	33.71%	+8.7%
Dec 31, 2019	31.01%	-45.2%
Dec 31, 2018	56.60%	+86.7%
Dec 31, 2017	30.32%	+23.8%
Dec 31, 2016	24.50%	-25.3%

Date	Value	Change
Dec 31, 2015	32.81%	-15.3%
Dec 31, 2014	38.75%	+54.5%
Dec 31, 2013	25.08%	-23.9%
Dec 31, 2012	32.94%	-33.2%
Dec 31, 2011	49.32%	+39.8%
Dec 31, 2010	35.27%	+10.3%
Dec 31, 2009	31.97%	-84.5%
Dec 31, 2008	206.32%	+201.5%
Dec 31, 2007	68.43%	+76.2%
Dec 31, 2006	38.83%	-9.1%
Dec 31, 2005	42.74%	-

FAQ

What is the current 1-month volatility of DXCM?: As of today, DXCM 1-month volatility is 24.61%
What 1-month volatility category does DXCM fall into?: Based on its current 1-month historical volatility, DXCM falls into the low volatility category
What is DXCM 1-month volatility 1-year high?: DXCM 1-month volatility reached a 1-year high of 69.07% on November 28, 2025
What is DXCM 1-month volatility 1-year low?: DXCM 1-month volatility reached a 1-year low of 19.44% on January 2, 2026

3-Month

41.68%

September 21, 2026

Summary

Current Value: As of today, DXCM 3-month volatility is 41.68%, down -2.16% on September 21, 2026
Value Category: Based on its current 3-month historical volatility, DXCM falls into the high volatility category
1-Year High: DXCM 3-month volatility reached a 1-year high of 51.67% on November 24, 2025
1-Year Low: DXCM 3-month volatility reached a 1-year low of 26.15% on February 11, 2026

Performance

DXCM Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 21, 26	41.68%	-2.2%	-7.1%	-1.0%	-2.4%	-11.1%	+7.7%	+21.1%
10-Day Volatility	Sep 21, 26	29.52%	-6.3%	+17.1%	-39.3%	+94.8%	-51.3%	-16.8%	+20.4%
1-Month Volatility	Sep 21, 26	24.61%	-1.4%	-50.5%	-37.7%	+23.3%	-57.1%	-40.2%	+18.4%
1-Year Volatility	Sep 21, 26	39.76%	-3.7%	-6.2%	-3.5%	-11.4%	-7.5%	-8.3%	+1.3%
14-Day RSI	Sep 21, 26	57.88	-1.1%	-17.4%	+28.4%	+8.7%	+73.7%	+126.5%	-16.9%
Beta	Sep 21, 26	0.65	0.0%	-9.7%	-27.8%	-36.3%	-36.9%	-41.4%	-47.1%
ATR	Sep 21, 26	$2.46	-3.4%	-12.6%	-13.1%	+47.1%	-19.8%	-36.5%	-33.9%
Price	Sep 21, 26	$89.17	-0.2%	-3.4%	+29.1%	+34.4%	+28.3%	+1.9%	-37.5%
200-Day SMA	Sep 21, 26	$72.12	+0.2%	+4.0%	+6.9%	-2.4%	-9.8%	-37.7%	-30.0%
50-Day SMA	Sep 21, 26	$84.13	+0.3%	+8.4%	+26.2%	+31.2%	+5.4%	-25.0%	-33.9%
20-Day SMA	Sep 21, 26	$87.93	-0.2%	+3.1%	+19.9%	+32.1%	+15.8%	-11.9%	-35.4%

3-Month Volatility History

Date	Value	Change
Sep 22, 2026	41.36%	-2.8%
Dec 31, 2025	42.54%	+26.3%
Dec 31, 2024	33.69%	-28.3%
Dec 31, 2023	46.99%	-18.1%
Dec 31, 2022	57.39%	+33.8%
Dec 31, 2021	42.88%	-10.0%
Dec 31, 2020	47.64%	-24.6%
Dec 31, 2019	63.17%	+12.6%
Dec 31, 2018	56.10%	+84.8%
Dec 31, 2017	30.36%	-41.0%
Dec 31, 2016	51.48%	-1.1%

Date	Value	Change
Dec 31, 2015	52.07%	+14.7%
Dec 31, 2014	45.40%	-13.0%
Dec 31, 2013	52.16%	+84.7%
Dec 31, 2012	28.24%	-59.9%
Dec 31, 2011	70.39%	+28.1%
Dec 31, 2010	54.97%	+34.7%
Dec 31, 2009	40.82%	-77.1%
Dec 31, 2008	177.94%	+180.4%
Dec 31, 2007	63.45%	+25.9%
Dec 31, 2006	50.41%	+21.6%
Dec 31, 2005	41.47%	-

FAQ

What is the current 3-month volatility of DXCM?: As of today, DXCM 3-month volatility is 41.68%
What 3-month volatility category does DXCM fall into?: Based on its current 3-month historical volatility, DXCM falls into the high volatility category
What is DXCM 3-month volatility 1-year high?: DXCM 3-month volatility reached a 1-year high of 51.67% on November 24, 2025
What is DXCM 3-month volatility 1-year low?: DXCM 3-month volatility reached a 1-year low of 26.15% on February 11, 2026

1-Year

39.76%

September 21, 2026

Summary

Current Value: As of today, DXCM 1-year volatility is 39.76%, down -3.71% on September 21, 2026
Value Category: Based on its current 1-year historical volatility, DXCM falls into the moderate volatility category
1-Year High: DXCM 1-year volatility reached a 1-year high of 46.04% on November 11, 2025
1-Year Low: DXCM 1-year volatility reached a 1-year low of 38.35% on May 8, 2026

Performance

DXCM Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 21, 26	39.76%	-3.7%	-6.2%	-3.5%	-11.4%	-7.5%	-8.3%	+1.3%
10-Day Volatility	Sep 21, 26	29.52%	-6.3%	+17.1%	-39.3%	+94.8%	-51.3%	-16.8%	+20.4%
1-Month Volatility	Sep 21, 26	24.61%	-1.4%	-50.5%	-37.7%	+23.3%	-57.1%	-40.2%	+18.4%
3-Month Volatility	Sep 21, 26	41.68%	-2.2%	-7.1%	-1.0%	-2.4%	-11.1%	+7.7%	+21.1%
1-Year Volatility	Sep 21, 26	39.76%	-3.7%	-6.2%	-3.5%	-11.4%	-7.5%	-8.3%	+1.3%
14-Day RSI	Sep 21, 26	57.88	-1.1%	-17.4%	+28.4%	+8.7%	+73.7%	+126.5%	-16.9%
Beta	Sep 21, 26	0.65	0.0%	-9.7%	-27.8%	-36.3%	-36.9%	-41.4%	-47.1%
ATR	Sep 21, 26	$2.46	-3.4%	-12.6%	-13.1%	+47.1%	-19.8%	-36.5%	-33.9%
Price	Sep 21, 26	$89.17	-0.2%	-3.4%	+29.1%	+34.4%	+28.3%	+1.9%	-37.5%
200-Day SMA	Sep 21, 26	$72.12	+0.2%	+4.0%	+6.9%	-2.4%	-9.8%	-37.7%	-30.0%
50-Day SMA	Sep 21, 26	$84.13	+0.3%	+8.4%	+26.2%	+31.2%	+5.4%	-25.0%	-33.9%
20-Day SMA	Sep 21, 26	$87.93	-0.2%	+3.1%	+19.9%	+32.1%	+15.8%	-11.9%	-35.4%

1-Year Volatility History

Date	Value	Change
Sep 22, 2026	39.73%	-11.5%
Dec 31, 2025	44.87%	-18.0%
Dec 31, 2024	54.71%	+35.7%
Dec 31, 2023	40.32%	-26.4%
Dec 31, 2022	54.80%	+46.3%
Dec 31, 2021	37.47%	-32.1%
Dec 31, 2020	55.22%	+14.9%
Dec 31, 2019	48.07%	-8.0%
Dec 31, 2018	52.24%	-2.1%
Dec 31, 2017	53.36%	+19.9%
Dec 31, 2016	44.52%	+9.5%

Date	Value	Change
Dec 31, 2015	40.64%	-5.1%
Dec 31, 2014	42.81%	-8.9%
Dec 31, 2013	47.00%	+34.7%
Dec 31, 2012	34.88%	-35.8%
Dec 31, 2011	54.37%	+12.7%
Dec 31, 2010	48.24%	-30.4%
Dec 31, 2009	69.34%	-40.2%
Dec 31, 2008	115.99%	+108.1%
Dec 31, 2007	55.74%	+4.3%
Dec 31, 2006	53.46%	+5.1%
Dec 31, 2005	50.87%	-

FAQ

What is the current 1-year volatility of DXCM?: As of today, DXCM 1-year volatility is 39.76%
What 1-year volatility category does DXCM fall into?: Based on its current 1-year historical volatility, DXCM falls into the moderate volatility category
What is DXCM 1-year volatility 1-year high?: DXCM 1-year volatility reached a 1-year high of 46.04% on November 11, 2025
What is DXCM 1-year volatility 1-year low?: DXCM 1-year volatility reached a 1-year low of 38.35% on May 8, 2026

Data Sources & References

DXCM Official Website www.dexcom.com/global
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1093557/000109355726000027/0001093557-26-000027-index.htm
DXCM Profile on Yahoo Finance finance.yahoo.com/quote/DXCM
DXCM Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/dxcm