What is the current 10-day volatility of FTNT?

As of today, FTNT 10-day volatility is 62.61%

What 10-day volatility category does FTNT fall into?

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

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

FTNT 10-day volatility reached a 1-year high of 101.25% on May 12, 2026

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

FTNT 10-day volatility reached a 1-year low of 10.32% on October 28, 2025

What is the current 1-month volatility of FTNT?

As of today, FTNT 1-month volatility is 50.64%

What 1-month volatility category does FTNT fall into?

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

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

FTNT 1-month volatility reached a 1-year high of 86.52% on August 29, 2025

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

FTNT 1-month volatility reached a 1-year low of 19.85% on October 28, 2025

What is the current 3-month volatility of FTNT?

As of today, FTNT 3-month volatility is 43.41%

What 3-month volatility category does FTNT fall into?

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

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

FTNT 3-month volatility reached a 1-year high of 56.80% on June 18, 2026

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

FTNT 3-month volatility reached a 1-year low of 26.16% on December 3, 2025

What is the current 1-year volatility of FTNT?

As of today, FTNT 1-year volatility is 40.99%

What 1-year volatility category does FTNT fall into?

Based on its current 1-year historical volatility, FTNT falls into the high volatility category

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

FTNT 1-year volatility reached a 1-year high of 45.74% on July 9, 2026

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

FTNT 1-year volatility reached a 1-year low of 39.01% on April 9, 2026

Fortinet, Inc. (FTNT) Stock Volatility History & Chart

10-Day

62.61%

August 28, 2026

Summary

Current Value: As of today, FTNT 10-day volatility is 62.61%, up +1.90% on August 28, 2026
Value Category: Based on its current 10-day historical volatility, FTNT falls into the extreme volatility category
1-Year High: FTNT 10-day volatility reached a 1-year high of 101.25% on May 12, 2026
1-Year Low: FTNT 10-day volatility reached a 1-year low of 10.32% on October 28, 2025

10-Day Volatility Chart

Performance

FTNT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Aug 28, 26	62.61%	+1.9%	+265.5%	+66.1%	+154.2%	+68.2%	+191.9%	+92.2%
1-Month Volatility	Aug 28, 26	50.64%	+5.0%	+29.9%	-31.9%	+82.6%	-37.4%	-44.5%	+57.2%
3-Month Volatility	Aug 28, 26	43.41%	-1.1%	-22.6%	-17.8%	+60.4%	-20.2%	-24.9%	+71.7%
1-Year Volatility	Aug 28, 26	40.99%	+0.7%	-9.9%	-6.9%	-1.0%	-3.6%	-9.5%	+22.3%
14-Day RSI	Aug 28, 26	57.16	-11.7%	+25.1%	-24.3%	+36.1%	+51.1%	+66.7%	-16.9%
Beta	Aug 28, 26	1.01	+1.0%	-4.7%	+2.0%	-16.5%	-13.7%	-25.2%	-20.5%
ATR	Aug 28, 26	$7.01	+3.8%	+14.7%	+51.9%	+299.0%	+124.1%	+256.1%	+320.7%
Price	Aug 28, 26	$166.00	-3.9%	+10.7%	+28.0%	+109.0%	+109.4%	+182.8%	+162.6%
200-Day SMA	Aug 28, 26	$108.11	+0.4%	+8.7%	+27.3%	+18.4%	+9.7%	+74.5%	+173.8%
50-Day SMA	Aug 28, 26	$157.44	+0.3%	+6.5%	+65.6%	+91.0%	+65.7%	+124.9%	+187.8%
20-Day SMA	Aug 28, 26	$160.04	+0.1%	+1.2%	+39.6%	+95.5%	+95.6%	+161.4%	+165.3%

10-Day Volatility History

Date	Value	Change
Aug 28, 2026	62.61%	+154.2%
Dec 31, 2025	24.63%	-18.5%
Dec 31, 2024	30.22%	+8.8%
Dec 31, 2023	27.77%	+2.5%
Dec 31, 2022	27.08%	-25.1%
Dec 31, 2021	36.14%	-13.3%
Dec 31, 2020	41.69%	+123.4%
Dec 31, 2019	18.66%	-66.4%
Dec 31, 2018	55.47%	+173.4%

Date	Value	Change
Dec 31, 2017	20.29%	-24.1%
Dec 31, 2016	26.75%	+79.2%
Dec 31, 2015	14.93%	-36.8%
Dec 31, 2014	23.64%	+9.9%
Dec 31, 2013	21.52%	+83.1%
Dec 31, 2012	11.75%	-72.0%
Dec 31, 2011	41.93%	+54.0%
Dec 31, 2010	27.23%	-37.3%
Dec 31, 2009	43.45%	-

FAQ

What is the current 10-day volatility of FTNT?: As of today, FTNT 10-day volatility is 62.61%
What 10-day volatility category does FTNT fall into?: Based on its current 10-day historical volatility, FTNT falls into the extreme volatility category
What is FTNT 10-day volatility 1-year high?: FTNT 10-day volatility reached a 1-year high of 101.25% on May 12, 2026
What is FTNT 10-day volatility 1-year low?: FTNT 10-day volatility reached a 1-year low of 10.32% on October 28, 2025

1-Month

50.64%

August 28, 2026

Summary

Current Value: As of today, FTNT 1-month volatility is 50.64%, up +5.00% on August 28, 2026
Value Category: Based on its current 1-month historical volatility, FTNT falls into the high volatility category
1-Year High: FTNT 1-month volatility reached a 1-year high of 86.52% on August 29, 2025
1-Year Low: FTNT 1-month volatility reached a 1-year low of 19.85% on October 28, 2025

Performance

FTNT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Aug 28, 26	50.64%	+5.0%	+29.9%	-31.9%	+82.6%	-37.4%	-44.5%	+57.2%
10-Day Volatility	Aug 28, 26	62.61%	+1.9%	+265.5%	+66.1%	+154.2%	+68.2%	+191.9%	+92.2%
3-Month Volatility	Aug 28, 26	43.41%	-1.1%	-22.6%	-17.8%	+60.4%	-20.2%	-24.9%	+71.7%
1-Year Volatility	Aug 28, 26	40.99%	+0.7%	-9.9%	-6.9%	-1.0%	-3.6%	-9.5%	+22.3%
14-Day RSI	Aug 28, 26	57.16	-11.7%	+25.1%	-24.3%	+36.1%	+51.1%	+66.7%	-16.9%
Beta	Aug 28, 26	1.01	+1.0%	-4.7%	+2.0%	-16.5%	-13.7%	-25.2%	-20.5%
ATR	Aug 28, 26	$7.01	+3.8%	+14.7%	+51.9%	+299.0%	+124.1%	+256.1%	+320.7%
Price	Aug 28, 26	$166.00	-3.9%	+10.7%	+28.0%	+109.0%	+109.4%	+182.8%	+162.6%
200-Day SMA	Aug 28, 26	$108.11	+0.4%	+8.7%	+27.3%	+18.4%	+9.7%	+74.5%	+173.8%
50-Day SMA	Aug 28, 26	$157.44	+0.3%	+6.5%	+65.6%	+91.0%	+65.7%	+124.9%	+187.8%
20-Day SMA	Aug 28, 26	$160.04	+0.1%	+1.2%	+39.6%	+95.5%	+95.6%	+161.4%	+165.3%

1-Month Volatility History

Date	Value	Change
Aug 28, 2026	50.02%	+83.5%
Dec 31, 2025	27.26%	+8.2%
Dec 31, 2024	25.20%	-4.6%
Dec 31, 2023	26.42%	-28.8%
Dec 31, 2022	37.13%	-41.9%
Dec 31, 2021	63.93%	+78.9%
Dec 31, 2020	35.73%	+118.9%
Dec 31, 2019	16.32%	-67.2%
Dec 31, 2018	49.80%	+193.5%

Date	Value	Change
Dec 31, 2017	16.97%	-43.8%
Dec 31, 2016	30.20%	-7.5%
Dec 31, 2015	32.66%	+63.3%
Dec 31, 2014	20.00%	-11.7%
Dec 31, 2013	22.66%	-21.8%
Dec 31, 2012	28.96%	-38.8%
Dec 31, 2011	47.29%	+63.9%
Dec 31, 2010	28.85%	-32.9%
Dec 31, 2009	42.97%	-

FAQ

What is the current 1-month volatility of FTNT?: As of today, FTNT 1-month volatility is 50.64%
What 1-month volatility category does FTNT fall into?: Based on its current 1-month historical volatility, FTNT falls into the high volatility category
What is FTNT 1-month volatility 1-year high?: FTNT 1-month volatility reached a 1-year high of 86.52% on August 29, 2025
What is FTNT 1-month volatility 1-year low?: FTNT 1-month volatility reached a 1-year low of 19.85% on October 28, 2025

3-Month

43.41%

August 28, 2026

Summary

Current Value: As of today, FTNT 3-month volatility is 43.41%, down -1.05% on August 28, 2026
Value Category: Based on its current 3-month historical volatility, FTNT falls into the high volatility category
1-Year High: FTNT 3-month volatility reached a 1-year high of 56.80% on June 18, 2026
1-Year Low: FTNT 3-month volatility reached a 1-year low of 26.16% on December 3, 2025

Performance

FTNT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Aug 28, 26	43.41%	-1.1%	-22.6%	-17.8%	+60.4%	-20.2%	-24.9%	+71.7%
10-Day Volatility	Aug 28, 26	62.61%	+1.9%	+265.5%	+66.1%	+154.2%	+68.2%	+191.9%	+92.2%
1-Month Volatility	Aug 28, 26	50.64%	+5.0%	+29.9%	-31.9%	+82.6%	-37.4%	-44.5%	+57.2%
1-Year Volatility	Aug 28, 26	40.99%	+0.7%	-9.9%	-6.9%	-1.0%	-3.6%	-9.5%	+22.3%
14-Day RSI	Aug 28, 26	57.16	-11.7%	+25.1%	-24.3%	+36.1%	+51.1%	+66.7%	-16.9%
Beta	Aug 28, 26	1.01	+1.0%	-4.7%	+2.0%	-16.5%	-13.7%	-25.2%	-20.5%
ATR	Aug 28, 26	$7.01	+3.8%	+14.7%	+51.9%	+299.0%	+124.1%	+256.1%	+320.7%
Price	Aug 28, 26	$166.00	-3.9%	+10.7%	+28.0%	+109.0%	+109.4%	+182.8%	+162.6%
200-Day SMA	Aug 28, 26	$108.11	+0.4%	+8.7%	+27.3%	+18.4%	+9.7%	+74.5%	+173.8%
50-Day SMA	Aug 28, 26	$157.44	+0.3%	+6.5%	+65.6%	+91.0%	+65.7%	+124.9%	+187.8%
20-Day SMA	Aug 28, 26	$160.04	+0.1%	+1.2%	+39.6%	+95.5%	+95.6%	+161.4%	+165.3%

3-Month Volatility History

Date	Value	Change
Aug 28, 2026	44.70%	+65.6%
Dec 31, 2025	27.00%	-21.5%
Dec 31, 2024	34.40%	-1.2%
Dec 31, 2023	34.83%	-32.4%
Dec 31, 2022	51.55%	+12.3%
Dec 31, 2021	45.91%	+21.3%
Dec 31, 2020	37.85%	+27.3%
Dec 31, 2019	29.73%	-42.0%
Dec 31, 2018	51.29%	+167.0%

Date	Value	Change
Dec 31, 2017	19.21%	-43.0%
Dec 31, 2016	33.69%	-31.1%
Dec 31, 2015	48.88%	+124.7%
Dec 31, 2014	21.75%	-45.4%
Dec 31, 2013	39.81%	-16.6%
Dec 31, 2012	47.71%	-20.9%
Dec 31, 2011	60.30%	+18.0%
Dec 31, 2010	51.12%	+34.2%
Dec 31, 2009	38.10%	-

FAQ

What is the current 3-month volatility of FTNT?: As of today, FTNT 3-month volatility is 43.41%
What 3-month volatility category does FTNT fall into?: Based on its current 3-month historical volatility, FTNT falls into the high volatility category
What is FTNT 3-month volatility 1-year high?: FTNT 3-month volatility reached a 1-year high of 56.80% on June 18, 2026
What is FTNT 3-month volatility 1-year low?: FTNT 3-month volatility reached a 1-year low of 26.16% on December 3, 2025

1-Year

40.99%

August 28, 2026

Summary

Current Value: As of today, FTNT 1-year volatility is 40.99%, up +0.69% on August 28, 2026
Value Category: Based on its current 1-year historical volatility, FTNT falls into the high volatility category
1-Year High: FTNT 1-year volatility reached a 1-year high of 45.74% on July 9, 2026
1-Year Low: FTNT 1-year volatility reached a 1-year low of 39.01% on April 9, 2026

Performance

FTNT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Aug 28, 26	40.99%	+0.7%	-9.9%	-6.9%	-1.0%	-3.6%	-9.5%	+22.3%
10-Day Volatility	Aug 28, 26	62.61%	+1.9%	+265.5%	+66.1%	+154.2%	+68.2%	+191.9%	+92.2%
1-Month Volatility	Aug 28, 26	50.64%	+5.0%	+29.9%	-31.9%	+82.6%	-37.4%	-44.5%	+57.2%
3-Month Volatility	Aug 28, 26	43.41%	-1.1%	-22.6%	-17.8%	+60.4%	-20.2%	-24.9%	+71.7%
1-Year Volatility	Aug 28, 26	40.99%	+0.7%	-9.9%	-6.9%	-1.0%	-3.6%	-9.5%	+22.3%
14-Day RSI	Aug 28, 26	57.16	-11.7%	+25.1%	-24.3%	+36.1%	+51.1%	+66.7%	-16.9%
Beta	Aug 28, 26	1.01	+1.0%	-4.7%	+2.0%	-16.5%	-13.7%	-25.2%	-20.5%
ATR	Aug 28, 26	$7.01	+3.8%	+14.7%	+51.9%	+299.0%	+124.1%	+256.1%	+320.7%
Price	Aug 28, 26	$166.00	-3.9%	+10.7%	+28.0%	+109.0%	+109.4%	+182.8%	+162.6%
200-Day SMA	Aug 28, 26	$108.11	+0.4%	+8.7%	+27.3%	+18.4%	+9.7%	+74.5%	+173.8%
50-Day SMA	Aug 28, 26	$157.44	+0.3%	+6.5%	+65.6%	+91.0%	+65.7%	+124.9%	+187.8%
20-Day SMA	Aug 28, 26	$160.04	+0.1%	+1.2%	+39.6%	+95.5%	+95.6%	+161.4%	+165.3%

1-Year Volatility History

Date	Value	Change
Aug 28, 2026	40.92%	-1.2%
Dec 31, 2025	41.42%	+6.2%
Dec 31, 2024	39.00%	-3.4%
Dec 31, 2023	40.37%	-25.8%
Dec 31, 2022	54.43%	+53.8%
Dec 31, 2021	35.40%	-35.5%
Dec 31, 2020	54.86%	+74.0%
Dec 31, 2019	31.52%	-14.5%
Dec 31, 2018	36.85%	+46.9%

Date	Value	Change
Dec 31, 2017	25.09%	-27.2%
Dec 31, 2016	34.46%	-8.7%
Dec 31, 2015	37.74%	+29.6%
Dec 31, 2014	29.13%	-29.6%
Dec 31, 2013	41.35%	-2.2%
Dec 31, 2012	42.28%	-29.2%
Dec 31, 2011	59.74%	+43.1%
Dec 31, 2010	41.76%	+9.6%
Dec 31, 2009	38.10%	-

FAQ

What is the current 1-year volatility of FTNT?: As of today, FTNT 1-year volatility is 40.99%
What 1-year volatility category does FTNT fall into?: Based on its current 1-year historical volatility, FTNT falls into the high volatility category
What is FTNT 1-year volatility 1-year high?: FTNT 1-year volatility reached a 1-year high of 45.74% on July 9, 2026
What is FTNT 1-year volatility 1-year low?: FTNT 1-year volatility reached a 1-year low of 39.01% on April 9, 2026

Data Sources & References

FTNT Official Website www.fortinet.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1262039/000126203926000003/0001262039-26-000003-index.htm
FTNT Profile on Yahoo Finance finance.yahoo.com/quote/FTNT
FTNT Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ftnt