What is the current 10-day volatility of FTS?

As of today, FTS 10-day volatility is 12.20%

What 10-day volatility category does FTS fall into?

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

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

FTS 10-day volatility reached a 1-year high of 23.95% on February 12, 2026

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

FTS 10-day volatility reached a 1-year low of 7.66% on September 26, 2025

What is the current 1-month volatility of FTS?

As of today, FTS 1-month volatility is 11.81%

What 1-month volatility category does FTS fall into?

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

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

FTS 1-month volatility reached a 1-year high of 19.32% on February 27, 2026

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

FTS 1-month volatility reached a 1-year low of 7.69% on September 26, 2025

What is the current 3-month volatility of FTS?

As of today, FTS 3-month volatility is 14.02%

What 3-month volatility category does FTS fall into?

Based on its current 3-month historical volatility, FTS falls into the very low volatility category

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

FTS 3-month volatility reached a 1-year high of 17.20% on July 22, 2026

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

FTS 3-month volatility reached a 1-year low of 9.94% on October 31, 2025

What is the current 1-year volatility of FTS?

As of today, FTS 1-year volatility is 14.27%

What 1-year volatility category does FTS fall into?

Based on its current 1-year historical volatility, FTS falls into the very low volatility category

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

FTS 1-year volatility reached a 1-year high of 15.69% on October 1, 2025

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

FTS 1-year volatility reached a 1-year low of 13.14% on May 13, 2026

Fortis Inc. (FTS) Stock Volatility History & Chart

10-Day

12.20%

September 25, 2026

Summary

Current Value: As of today, FTS 10-day volatility is 12.20%, up +0.66% on September 25, 2026
Value Category: Based on its current 10-day historical volatility, FTS falls into the very low volatility category
1-Year High: FTS 10-day volatility reached a 1-year high of 23.95% on February 12, 2026
1-Year Low: FTS 10-day volatility reached a 1-year low of 7.66% on September 26, 2025

10-Day Volatility Chart

Performance

FTS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 25, 26	12.20%	+0.7%	-11.1%	-12.9%	+15.6%	+59.3%	-38.9%	-18.4%
1-Month Volatility	Sep 25, 26	11.81%	+2.7%	-6.1%	-27.1%	-3.8%	+53.6%	-43.6%	-23.1%
3-Month Volatility	Sep 25, 26	14.02%	-1.5%	-9.3%	-8.8%	+19.3%	+21.8%	-26.3%	+18.6%
1-Year Volatility	Sep 25, 26	14.27%	+0.2%	+1.8%	+4.9%	-3.7%	-8.8%	-30.9%	+14.3%
14-Day RSI	Sep 25, 26	33.96	+0.4%	-2.8%	-1.3%	-39.6%	-41.7%	-1.4%	-2.4%
Beta	Sep 25, 26	-0.22	0.0%	+12.0%	-10.0%	-633.3%	-1200.0%	-136.7%	-153.7%
ATR	Sep 25, 26	$0.73	-2.6%	-11.4%	-15.3%	+27.8%	+47.9%	+11.1%	+23.8%
Price	Sep 25, 26	$53.09	+0.0%	-2.9%	-8.8%	+2.2%	+6.9%	+38.6%	+20.3%
200-Day SMA	Sep 25, 26	$55.46	+0.0%	+0.4%	+3.1%	+12.8%	+19.5%	+33.0%	+27.1%
50-Day SMA	Sep 25, 26	$55.79	-0.2%	-2.0%	-0.8%	+8.6%	+12.4%	+37.9%	+22.6%
20-Day SMA	Sep 25, 26	$54.36	-0.2%	-2.7%	-3.2%	+6.1%	+10.3%	+36.3%	+19.2%

10-Day Volatility History

Date	Value	Change
Sep 28, 2026	12.20%	+15.6%
Dec 31, 2025	10.55%	-23.7%
Dec 31, 2024	13.82%	-12.2%
Dec 31, 2023	15.74%	-6.1%
Dec 31, 2022	16.76%	+207.5%
Dec 31, 2021	5.45%	-59.9%
Dec 31, 2020	13.60%	+69.4%
Dec 31, 2019	8.03%	-67.0%
Dec 31, 2018	24.31%	+53.8%

Date	Value	Change
Dec 31, 2017	15.81%	+44.1%
Dec 31, 2016	10.97%	-60.7%
Dec 31, 2015	27.91%	-2.1%
Dec 31, 2014	28.51%	+96.9%
Dec 31, 2013	14.48%	+55.5%
Dec 31, 2012	9.31%	-40.5%
Dec 31, 2011	15.66%	-54.7%
Dec 31, 2010	34.57%	-

FAQ

What is the current 10-day volatility of FTS?: As of today, FTS 10-day volatility is 12.20%
What 10-day volatility category does FTS fall into?: Based on its current 10-day historical volatility, FTS falls into the very low volatility category
What is FTS 10-day volatility 1-year high?: FTS 10-day volatility reached a 1-year high of 23.95% on February 12, 2026
What is FTS 10-day volatility 1-year low?: FTS 10-day volatility reached a 1-year low of 7.66% on September 26, 2025

1-Month

11.81%

September 25, 2026

Summary

Current Value: As of today, FTS 1-month volatility is 11.81%, up +2.70% on September 25, 2026
Value Category: Based on its current 1-month historical volatility, FTS falls into the very low volatility category
1-Year High: FTS 1-month volatility reached a 1-year high of 19.32% on February 27, 2026
1-Year Low: FTS 1-month volatility reached a 1-year low of 7.69% on September 26, 2025

Performance

FTS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 25, 26	11.81%	+2.7%	-6.1%	-27.1%	-3.8%	+53.6%	-43.6%	-23.1%
10-Day Volatility	Sep 25, 26	12.20%	+0.7%	-11.1%	-12.9%	+15.6%	+59.3%	-38.9%	-18.4%
3-Month Volatility	Sep 25, 26	14.02%	-1.5%	-9.3%	-8.8%	+19.3%	+21.8%	-26.3%	+18.6%
1-Year Volatility	Sep 25, 26	14.27%	+0.2%	+1.8%	+4.9%	-3.7%	-8.8%	-30.9%	+14.3%
14-Day RSI	Sep 25, 26	33.96	+0.4%	-2.8%	-1.3%	-39.6%	-41.7%	-1.4%	-2.4%
Beta	Sep 25, 26	-0.22	0.0%	+12.0%	-10.0%	-633.3%	-1200.0%	-136.7%	-153.7%
ATR	Sep 25, 26	$0.73	-2.6%	-11.4%	-15.3%	+27.8%	+47.9%	+11.1%	+23.8%
Price	Sep 25, 26	$53.09	+0.0%	-2.9%	-8.8%	+2.2%	+6.9%	+38.6%	+20.3%
200-Day SMA	Sep 25, 26	$55.46	+0.0%	+0.4%	+3.1%	+12.8%	+19.5%	+33.0%	+27.1%
50-Day SMA	Sep 25, 26	$55.79	-0.2%	-2.0%	-0.8%	+8.6%	+12.4%	+37.9%	+22.6%
20-Day SMA	Sep 25, 26	$54.36	-0.2%	-2.7%	-3.2%	+6.1%	+10.3%	+36.3%	+19.2%

1-Month Volatility History

Date	Value	Change
Sep 28, 2026	11.81%	-3.2%
Dec 31, 2025	12.20%	-13.5%
Dec 31, 2024	14.10%	-30.7%
Dec 31, 2023	20.36%	+51.4%
Dec 31, 2022	13.45%	+23.3%
Dec 31, 2021	10.91%	-13.1%
Dec 31, 2020	12.56%	+19.8%
Dec 31, 2019	10.48%	-49.5%
Dec 31, 2018	20.76%	+52.6%

Date	Value	Change
Dec 31, 2017	13.60%	-1.7%
Dec 31, 2016	13.84%	-46.0%
Dec 31, 2015	25.63%	+2.2%
Dec 31, 2014	25.07%	+9.7%
Dec 31, 2013	22.86%	+83.3%
Dec 31, 2012	12.47%	-25.3%
Dec 31, 2011	16.69%	-29.4%
Dec 31, 2010	23.64%	-

FAQ

What is the current 1-month volatility of FTS?: As of today, FTS 1-month volatility is 11.81%
What 1-month volatility category does FTS fall into?: Based on its current 1-month historical volatility, FTS falls into the very low volatility category
What is FTS 1-month volatility 1-year high?: FTS 1-month volatility reached a 1-year high of 19.32% on February 27, 2026
What is FTS 1-month volatility 1-year low?: FTS 1-month volatility reached a 1-year low of 7.69% on September 26, 2025

3-Month

14.02%

September 25, 2026

Summary

Current Value: As of today, FTS 3-month volatility is 14.02%, down -1.48% on September 25, 2026
Value Category: Based on its current 3-month historical volatility, FTS falls into the very low volatility category
1-Year High: FTS 3-month volatility reached a 1-year high of 17.20% on July 22, 2026
1-Year Low: FTS 3-month volatility reached a 1-year low of 9.94% on October 31, 2025

Performance

FTS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 25, 26	14.02%	-1.5%	-9.3%	-8.8%	+19.3%	+21.8%	-26.3%	+18.6%
10-Day Volatility	Sep 25, 26	12.20%	+0.7%	-11.1%	-12.9%	+15.6%	+59.3%	-38.9%	-18.4%
1-Month Volatility	Sep 25, 26	11.81%	+2.7%	-6.1%	-27.1%	-3.8%	+53.6%	-43.6%	-23.1%
1-Year Volatility	Sep 25, 26	14.27%	+0.2%	+1.8%	+4.9%	-3.7%	-8.8%	-30.9%	+14.3%
14-Day RSI	Sep 25, 26	33.96	+0.4%	-2.8%	-1.3%	-39.6%	-41.7%	-1.4%	-2.4%
Beta	Sep 25, 26	-0.22	0.0%	+12.0%	-10.0%	-633.3%	-1200.0%	-136.7%	-153.7%
ATR	Sep 25, 26	$0.73	-2.6%	-11.4%	-15.3%	+27.8%	+47.9%	+11.1%	+23.8%
Price	Sep 25, 26	$53.09	+0.0%	-2.9%	-8.8%	+2.2%	+6.9%	+38.6%	+20.3%
200-Day SMA	Sep 25, 26	$55.46	+0.0%	+0.4%	+3.1%	+12.8%	+19.5%	+33.0%	+27.1%
50-Day SMA	Sep 25, 26	$55.79	-0.2%	-2.0%	-0.8%	+8.6%	+12.4%	+37.9%	+22.6%
20-Day SMA	Sep 25, 26	$54.36	-0.2%	-2.7%	-3.2%	+6.1%	+10.3%	+36.3%	+19.2%

3-Month Volatility History

Date	Value	Change
Sep 28, 2026	14.02%	+19.3%
Dec 31, 2025	11.75%	-22.6%
Dec 31, 2024	15.18%	-25.6%
Dec 31, 2023	20.41%	-18.0%
Dec 31, 2022	24.89%	+103.8%
Dec 31, 2021	12.21%	-14.6%
Dec 31, 2020	14.29%	+30.9%
Dec 31, 2019	10.92%	-40.9%
Dec 31, 2018	18.47%	+45.9%

Date	Value	Change
Dec 31, 2017	12.66%	-48.9%
Dec 31, 2016	24.76%	+24.7%
Dec 31, 2015	19.86%	-3.3%
Dec 31, 2014	20.53%	+32.6%
Dec 31, 2013	15.48%	+34.4%
Dec 31, 2012	11.52%	-54.7%
Dec 31, 2011	25.41%	+8.7%
Dec 31, 2010	23.38%	-

FAQ

What is the current 3-month volatility of FTS?: As of today, FTS 3-month volatility is 14.02%
What 3-month volatility category does FTS fall into?: Based on its current 3-month historical volatility, FTS falls into the very low volatility category
What is FTS 3-month volatility 1-year high?: FTS 3-month volatility reached a 1-year high of 17.20% on July 22, 2026
What is FTS 3-month volatility 1-year low?: FTS 3-month volatility reached a 1-year low of 9.94% on October 31, 2025

1-Year

14.27%

September 25, 2026

Summary

Current Value: As of today, FTS 1-year volatility is 14.27%, up +0.21% on September 25, 2026
Value Category: Based on its current 1-year historical volatility, FTS falls into the very low volatility category
1-Year High: FTS 1-year volatility reached a 1-year high of 15.69% on October 1, 2025
1-Year Low: FTS 1-year volatility reached a 1-year low of 13.14% on May 13, 2026

Performance

FTS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 25, 26	14.27%	+0.2%	+1.8%	+4.9%	-3.7%	-8.8%	-30.9%	+14.3%
10-Day Volatility	Sep 25, 26	12.20%	+0.7%	-11.1%	-12.9%	+15.6%	+59.3%	-38.9%	-18.4%
1-Month Volatility	Sep 25, 26	11.81%	+2.7%	-6.1%	-27.1%	-3.8%	+53.6%	-43.6%	-23.1%
3-Month Volatility	Sep 25, 26	14.02%	-1.5%	-9.3%	-8.8%	+19.3%	+21.8%	-26.3%	+18.6%
1-Year Volatility	Sep 25, 26	14.27%	+0.2%	+1.8%	+4.9%	-3.7%	-8.8%	-30.9%	+14.3%
14-Day RSI	Sep 25, 26	33.96	+0.4%	-2.8%	-1.3%	-39.6%	-41.7%	-1.4%	-2.4%
Beta	Sep 25, 26	-0.22	0.0%	+12.0%	-10.0%	-633.3%	-1200.0%	-136.7%	-153.7%
ATR	Sep 25, 26	$0.73	-2.6%	-11.4%	-15.3%	+27.8%	+47.9%	+11.1%	+23.8%
Price	Sep 25, 26	$53.09	+0.0%	-2.9%	-8.8%	+2.2%	+6.9%	+38.6%	+20.3%
200-Day SMA	Sep 25, 26	$55.46	+0.0%	+0.4%	+3.1%	+12.8%	+19.5%	+33.0%	+27.1%
50-Day SMA	Sep 25, 26	$55.79	-0.2%	-2.0%	-0.8%	+8.6%	+12.4%	+37.9%	+22.6%
20-Day SMA	Sep 25, 26	$54.36	-0.2%	-2.7%	-3.2%	+6.1%	+10.3%	+36.3%	+19.2%

1-Year Volatility History

Date	Value	Change
Sep 28, 2026	14.27%	-3.7%
Dec 31, 2025	14.82%	+0.8%
Dec 31, 2024	14.70%	-22.8%
Dec 31, 2023	19.04%	-0.7%
Dec 31, 2022	19.17%	+60.6%
Dec 31, 2021	11.94%	-69.0%
Dec 31, 2020	38.49%	+306.0%
Dec 31, 2019	9.48%	-38.2%
Dec 31, 2018	15.34%	+17.9%

Date	Value	Change
Dec 31, 2017	13.01%	-48.6%
Dec 31, 2016	25.31%	+10.9%
Dec 31, 2015	22.82%	+66.0%
Dec 31, 2014	13.75%	-30.8%
Dec 31, 2013	19.87%	+35.3%
Dec 31, 2012	14.69%	-38.7%
Dec 31, 2011	23.98%	+4.0%
Dec 31, 2010	23.05%	-

FAQ

What is the current 1-year volatility of FTS?: As of today, FTS 1-year volatility is 14.27%
What 1-year volatility category does FTS fall into?: Based on its current 1-year historical volatility, FTS falls into the very low volatility category
What is FTS 1-year volatility 1-year high?: FTS 1-year volatility reached a 1-year high of 15.69% on October 1, 2025
What is FTS 1-year volatility 1-year low?: FTS 1-year volatility reached a 1-year low of 13.14% on May 13, 2026

Data Sources & References

FTS Official Website www.fortisinc.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1666175/000166617526000013/0001666175-26-000013-index.htm
FTS Profile on Yahoo Finance finance.yahoo.com/quote/FTS
FTS Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/fts