What is the current 10-day volatility of FTNT?

As of today, FTNT 10-day volatility is 113.14%

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 113.14% on October 29, 2026

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

FTNT 10-day volatility reached a 1-year low of 14.76% on October 30, 2025

What is the current 1-month volatility of FTNT?

As of today, FTNT 1-month volatility is 82.26%

What 1-month volatility category does FTNT fall into?

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

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

FTNT 1-month volatility reached a 1-year high of 82.26% on October 30, 2026

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

FTNT 1-month volatility reached a 1-year low of 20.53% on January 21, 2026

What is the current 3-month volatility of FTNT?

As of today, FTNT 3-month volatility is 61.93%

What 3-month volatility category does FTNT fall into?

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

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

FTNT 3-month volatility reached a 1-year high of 61.93% on October 30, 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 48.48%

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 48.48% on October 30, 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

113.14%

October 29, 2026

Summary

Current Value: As of today, FTNT 10-day volatility is 113.14%, up +104.26% on October 29, 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 113.14% on October 29, 2026
1-Year Low: FTNT 10-day volatility reached a 1-year low of 14.76% on October 30, 2025

10-Day Volatility Chart

Performance

FTNT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Oct 29, 26	113.14%	+104.3%	+279.0%	+404.4%	+359.4%	+666.5%	+347.2%	+272.1%
1-Month Volatility	Oct 29, 26	82.26%	+88.4%	+78.2%	+114.2%	+196.7%	+295.3%	+230.0%	+190.5%
3-Month Volatility	Oct 29, 26	61.93%	+32.4%	+36.9%	+11.1%	+128.8%	+19.9%	+11.7%	+96.0%
1-Year Volatility	Oct 29, 26	48.48%	+10.4%	+14.3%	+6.7%	+17.0%	+13.2%	+11.5%	+54.6%
14-Day RSI	Oct 29, 26	27.63	-40.5%	-55.5%	-46.3%	-34.2%	-43.9%	-31.8%	-57.7%
Beta	Oct 29, 26	1.02	+6.3%	+10.9%	+1.0%	-15.7%	-15.7%	-27.1%	-20.9%
ATR	Oct 29, 26	$9.97	+39.5%	+51.8%	+37.9%	+467.8%	+407.3%	+596.7%	+439.9%
Price	Oct 30, 26	$135.15	-2.8%	-24.4%	-12.4%	+70.2%	+60.5%	+140.0%	+100.9%
200-Day SMA	Oct 29, 26	$128.09	+0.2%	+8.9%	+27.9%	+40.3%	+33.8%	+101.1%	+170.8%
50-Day SMA	Oct 29, 26	$171.64	-0.2%	+5.6%	+15.2%	+108.2%	+108.3%	+189.6%	+176.7%
20-Day SMA	Oct 29, 26	$179.96	-1.1%	+7.0%	+14.0%	+119.8%	+112.4%	+211.6%	+183.0%

10-Day Volatility History

Date	Value	Change
Oct 30, 2026	113.14%	+359.4%
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 113.14%
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 113.14% on October 29, 2026
What is FTNT 10-day volatility 1-year low?: FTNT 10-day volatility reached a 1-year low of 14.76% on October 30, 2025

1-Month

82.26%

October 29, 2026

Summary

Current Value: As of today, FTNT 1-month volatility is 82.26%, up +88.37% on October 29, 2026
Value Category: Based on its current 1-month historical volatility, FTNT falls into the extreme volatility category
1-Year High: FTNT 1-month volatility reached a 1-year high of 82.26% on October 30, 2026
1-Year Low: FTNT 1-month volatility reached a 1-year low of 20.53% on January 21, 2026

Performance

FTNT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Oct 29, 26	82.26%	+88.4%	+78.2%	+114.2%	+196.7%	+295.3%	+230.0%	+190.5%
10-Day Volatility	Oct 29, 26	113.14%	+104.3%	+279.0%	+404.4%	+359.4%	+666.5%	+347.2%	+272.1%
3-Month Volatility	Oct 29, 26	61.93%	+32.4%	+36.9%	+11.1%	+128.8%	+19.9%	+11.7%	+96.0%
1-Year Volatility	Oct 29, 26	48.48%	+10.4%	+14.3%	+6.7%	+17.0%	+13.2%	+11.5%	+54.6%
14-Day RSI	Oct 29, 26	27.63	-40.5%	-55.5%	-46.3%	-34.2%	-43.9%	-31.8%	-57.7%
Beta	Oct 29, 26	1.02	+6.3%	+10.9%	+1.0%	-15.7%	-15.7%	-27.1%	-20.9%
ATR	Oct 29, 26	$9.97	+39.5%	+51.8%	+37.9%	+467.8%	+407.3%	+596.7%	+439.9%
Price	Oct 30, 26	$135.15	-2.8%	-24.4%	-12.4%	+70.2%	+60.5%	+140.0%	+100.9%
200-Day SMA	Oct 29, 26	$128.09	+0.2%	+8.9%	+27.9%	+40.3%	+33.8%	+101.1%	+170.8%
50-Day SMA	Oct 29, 26	$171.64	-0.2%	+5.6%	+15.2%	+108.2%	+108.3%	+189.6%	+176.7%
20-Day SMA	Oct 29, 26	$179.96	-1.1%	+7.0%	+14.0%	+119.8%	+112.4%	+211.6%	+183.0%

1-Month Volatility History

Date	Value	Change
Oct 30, 2026	82.26%	+201.8%
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 82.26%
What 1-month volatility category does FTNT fall into?: Based on its current 1-month historical volatility, FTNT falls into the extreme volatility category
What is FTNT 1-month volatility 1-year high?: FTNT 1-month volatility reached a 1-year high of 82.26% on October 30, 2026
What is FTNT 1-month volatility 1-year low?: FTNT 1-month volatility reached a 1-year low of 20.53% on January 21, 2026

3-Month

61.93%

October 29, 2026

Summary

Current Value: As of today, FTNT 3-month volatility is 61.93%, up +32.36% on October 29, 2026
Value Category: Based on its current 3-month historical volatility, FTNT falls into the extreme volatility category
1-Year High: FTNT 3-month volatility reached a 1-year high of 61.93% on October 30, 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	Oct 29, 26	61.93%	+32.4%	+36.9%	+11.1%	+128.8%	+19.9%	+11.7%	+96.0%
10-Day Volatility	Oct 29, 26	113.14%	+104.3%	+279.0%	+404.4%	+359.4%	+666.5%	+347.2%	+272.1%
1-Month Volatility	Oct 29, 26	82.26%	+88.4%	+78.2%	+114.2%	+196.7%	+295.3%	+230.0%	+190.5%
1-Year Volatility	Oct 29, 26	48.48%	+10.4%	+14.3%	+6.7%	+17.0%	+13.2%	+11.5%	+54.6%
14-Day RSI	Oct 29, 26	27.63	-40.5%	-55.5%	-46.3%	-34.2%	-43.9%	-31.8%	-57.7%
Beta	Oct 29, 26	1.02	+6.3%	+10.9%	+1.0%	-15.7%	-15.7%	-27.1%	-20.9%
ATR	Oct 29, 26	$9.97	+39.5%	+51.8%	+37.9%	+467.8%	+407.3%	+596.7%	+439.9%
Price	Oct 30, 26	$135.15	-2.8%	-24.4%	-12.4%	+70.2%	+60.5%	+140.0%	+100.9%
200-Day SMA	Oct 29, 26	$128.09	+0.2%	+8.9%	+27.9%	+40.3%	+33.8%	+101.1%	+170.8%
50-Day SMA	Oct 29, 26	$171.64	-0.2%	+5.6%	+15.2%	+108.2%	+108.3%	+189.6%	+176.7%
20-Day SMA	Oct 29, 26	$179.96	-1.1%	+7.0%	+14.0%	+119.8%	+112.4%	+211.6%	+183.0%

3-Month Volatility History

Date	Value	Change
Oct 30, 2026	61.93%	+129.4%
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 61.93%
What 3-month volatility category does FTNT fall into?: Based on its current 3-month historical volatility, FTNT falls into the extreme volatility category
What is FTNT 3-month volatility 1-year high?: FTNT 3-month volatility reached a 1-year high of 61.93% on October 30, 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

48.48%

October 29, 2026

Summary

Current Value: As of today, FTNT 1-year volatility is 48.48%, up +10.43% on October 29, 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 48.48% on October 30, 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	Oct 29, 26	48.48%	+10.4%	+14.3%	+6.7%	+17.0%	+13.2%	+11.5%	+54.6%
10-Day Volatility	Oct 29, 26	113.14%	+104.3%	+279.0%	+404.4%	+359.4%	+666.5%	+347.2%	+272.1%
1-Month Volatility	Oct 29, 26	82.26%	+88.4%	+78.2%	+114.2%	+196.7%	+295.3%	+230.0%	+190.5%
3-Month Volatility	Oct 29, 26	61.93%	+32.4%	+36.9%	+11.1%	+128.8%	+19.9%	+11.7%	+96.0%
1-Year Volatility	Oct 29, 26	48.48%	+10.4%	+14.3%	+6.7%	+17.0%	+13.2%	+11.5%	+54.6%
14-Day RSI	Oct 29, 26	27.63	-40.5%	-55.5%	-46.3%	-34.2%	-43.9%	-31.8%	-57.7%
Beta	Oct 29, 26	1.02	+6.3%	+10.9%	+1.0%	-15.7%	-15.7%	-27.1%	-20.9%
ATR	Oct 29, 26	$9.97	+39.5%	+51.8%	+37.9%	+467.8%	+407.3%	+596.7%	+439.9%
Price	Oct 30, 26	$135.15	-2.8%	-24.4%	-12.4%	+70.2%	+60.5%	+140.0%	+100.9%
200-Day SMA	Oct 29, 26	$128.09	+0.2%	+8.9%	+27.9%	+40.3%	+33.8%	+101.1%	+170.8%
50-Day SMA	Oct 29, 26	$171.64	-0.2%	+5.6%	+15.2%	+108.2%	+108.3%	+189.6%	+176.7%
20-Day SMA	Oct 29, 26	$179.96	-1.1%	+7.0%	+14.0%	+119.8%	+112.4%	+211.6%	+183.0%

1-Year Volatility History

Date	Value	Change
Oct 30, 2026	48.48%	+17.0%
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 48.48%
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 48.48% on October 30, 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