What is the current 10-day volatility of FTS?

As of today, FTS 10-day volatility is 10.72%

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 7.50% on September 25, 2025

What is the current 1-month volatility of FTS?

As of today, FTS 1-month volatility is 13.48%

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 14.74%

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 14.04%

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 15.76% on September 8, 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

10.72%

September 4, 2026

Summary

Current Value: As of today, FTS 10-day volatility is 10.72%, down -33.83% on September 4, 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 7.50% on September 25, 2025

10-Day Volatility Chart

Performance

FTS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 4, 26	10.72%	-33.8%	+27.3%	-37.3%	+1.6%	+12.3%	-21.2%	-34.0%
1-Month Volatility	Sep 4, 26	13.48%	+5.8%	+1.9%	-23.9%	+9.8%	+47.5%	+5.7%	+0.1%
3-Month Volatility	Sep 4, 26	14.74%	-2.3%	-8.3%	-5.0%	+25.4%	+16.4%	-12.6%	+32.4%
1-Year Volatility	Sep 4, 26	14.04%	0.0%	+1.7%	+3.8%	-5.3%	-10.9%	-32.2%	+10.9%
14-Day RSI	Sep 4, 26	43.56	-6.3%	+11.2%	-1.1%	-22.6%	+9.9%	+8.2%	-22.4%
Beta	Sep 4, 26	-0.24	0.0%	-4.3%	-20.0%	-700.0%	-1300.0%	-140.0%	-160.0%
ATR	Sep 4, 26	$0.80	-2.5%	-12.0%	-12.2%	+40.6%	+35.4%	+43.9%	+52.0%
Price	Sep 8, 26	$55.68	+0.8%	-0.8%	+1.1%	+7.2%	+13.8%	+42.3%	+20.5%
200-Day SMA	Sep 4, 26	$55.29	+0.0%	+0.8%	+3.7%	+12.5%	+19.9%	+32.7%	+27.7%
50-Day SMA	Sep 4, 26	$56.77	-0.1%	-0.3%	+0.9%	+10.5%	+15.8%	+38.0%	+25.5%
20-Day SMA	Sep 4, 26	$55.62	-0.1%	-3.4%	-0.2%	+8.6%	+11.0%	+41.0%	+21.0%

10-Day Volatility History

Date	Value	Change
Sep 8, 2026	10.72%	+1.6%
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 10.72%
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 7.50% on September 25, 2025

1-Month

13.48%

September 4, 2026

Summary

Current Value: As of today, FTS 1-month volatility is 13.48%, up +5.81% on September 4, 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 4, 26	13.48%	+5.8%	+1.9%	-23.9%	+9.8%	+47.5%	+5.7%	+0.1%
10-Day Volatility	Sep 4, 26	10.72%	-33.8%	+27.3%	-37.3%	+1.6%	+12.3%	-21.2%	-34.0%
3-Month Volatility	Sep 4, 26	14.74%	-2.3%	-8.3%	-5.0%	+25.4%	+16.4%	-12.6%	+32.4%
1-Year Volatility	Sep 4, 26	14.04%	0.0%	+1.7%	+3.8%	-5.3%	-10.9%	-32.2%	+10.9%
14-Day RSI	Sep 4, 26	43.56	-6.3%	+11.2%	-1.1%	-22.6%	+9.9%	+8.2%	-22.4%
Beta	Sep 4, 26	-0.24	0.0%	-4.3%	-20.0%	-700.0%	-1300.0%	-140.0%	-160.0%
ATR	Sep 4, 26	$0.80	-2.5%	-12.0%	-12.2%	+40.6%	+35.4%	+43.9%	+52.0%
Price	Sep 8, 26	$55.68	+0.8%	-0.8%	+1.1%	+7.2%	+13.8%	+42.3%	+20.5%
200-Day SMA	Sep 4, 26	$55.29	+0.0%	+0.8%	+3.7%	+12.5%	+19.9%	+32.7%	+27.7%
50-Day SMA	Sep 4, 26	$56.77	-0.1%	-0.3%	+0.9%	+10.5%	+15.8%	+38.0%	+25.5%
20-Day SMA	Sep 4, 26	$55.62	-0.1%	-3.4%	-0.2%	+8.6%	+11.0%	+41.0%	+21.0%

1-Month Volatility History

Date	Value	Change
Sep 8, 2026	13.48%	+10.5%
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 13.48%
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

14.74%

September 4, 2026

Summary

Current Value: As of today, FTS 3-month volatility is 14.74%, down -2.25% on September 4, 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 4, 26	14.74%	-2.3%	-8.3%	-5.0%	+25.4%	+16.4%	-12.6%	+32.4%
10-Day Volatility	Sep 4, 26	10.72%	-33.8%	+27.3%	-37.3%	+1.6%	+12.3%	-21.2%	-34.0%
1-Month Volatility	Sep 4, 26	13.48%	+5.8%	+1.9%	-23.9%	+9.8%	+47.5%	+5.7%	+0.1%
1-Year Volatility	Sep 4, 26	14.04%	0.0%	+1.7%	+3.8%	-5.3%	-10.9%	-32.2%	+10.9%
14-Day RSI	Sep 4, 26	43.56	-6.3%	+11.2%	-1.1%	-22.6%	+9.9%	+8.2%	-22.4%
Beta	Sep 4, 26	-0.24	0.0%	-4.3%	-20.0%	-700.0%	-1300.0%	-140.0%	-160.0%
ATR	Sep 4, 26	$0.80	-2.5%	-12.0%	-12.2%	+40.6%	+35.4%	+43.9%	+52.0%
Price	Sep 8, 26	$55.68	+0.8%	-0.8%	+1.1%	+7.2%	+13.8%	+42.3%	+20.5%
200-Day SMA	Sep 4, 26	$55.29	+0.0%	+0.8%	+3.7%	+12.5%	+19.9%	+32.7%	+27.7%
50-Day SMA	Sep 4, 26	$56.77	-0.1%	-0.3%	+0.9%	+10.5%	+15.8%	+38.0%	+25.5%
20-Day SMA	Sep 4, 26	$55.62	-0.1%	-3.4%	-0.2%	+8.6%	+11.0%	+41.0%	+21.0%

3-Month Volatility History

Date	Value	Change
Sep 8, 2026	14.74%	+25.4%
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 14.74%
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

14.04%

September 4, 2026

Summary

Current Value: As of today, FTS 1-year volatility is 14.04%, unchanged on September 4, 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 15.76% on September 8, 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 4, 26	14.04%	0.0%	+1.7%	+3.8%	-5.3%	-10.9%	-32.2%	+10.9%
10-Day Volatility	Sep 4, 26	10.72%	-33.8%	+27.3%	-37.3%	+1.6%	+12.3%	-21.2%	-34.0%
1-Month Volatility	Sep 4, 26	13.48%	+5.8%	+1.9%	-23.9%	+9.8%	+47.5%	+5.7%	+0.1%
3-Month Volatility	Sep 4, 26	14.74%	-2.3%	-8.3%	-5.0%	+25.4%	+16.4%	-12.6%	+32.4%
1-Year Volatility	Sep 4, 26	14.04%	0.0%	+1.7%	+3.8%	-5.3%	-10.9%	-32.2%	+10.9%
14-Day RSI	Sep 4, 26	43.56	-6.3%	+11.2%	-1.1%	-22.6%	+9.9%	+8.2%	-22.4%
Beta	Sep 4, 26	-0.24	0.0%	-4.3%	-20.0%	-700.0%	-1300.0%	-140.0%	-160.0%
ATR	Sep 4, 26	$0.80	-2.5%	-12.0%	-12.2%	+40.6%	+35.4%	+43.9%	+52.0%
Price	Sep 8, 26	$55.68	+0.8%	-0.8%	+1.1%	+7.2%	+13.8%	+42.3%	+20.5%
200-Day SMA	Sep 4, 26	$55.29	+0.0%	+0.8%	+3.7%	+12.5%	+19.9%	+32.7%	+27.7%
50-Day SMA	Sep 4, 26	$56.77	-0.1%	-0.3%	+0.9%	+10.5%	+15.8%	+38.0%	+25.5%
20-Day SMA	Sep 4, 26	$55.62	-0.1%	-3.4%	-0.2%	+8.6%	+11.0%	+41.0%	+21.0%

1-Year Volatility History

Date	Value	Change
Sep 8, 2026	14.04%	-5.3%
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 14.04%
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 15.76% on September 8, 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