What is the current 10-day volatility of FTS?

As of today, FTS 10-day volatility is 11.27%

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 6.48% on August 19, 2025

What is the current 1-month volatility of FTS?

As of today, FTS 1-month volatility is 11.89%

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 14.87%

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 13.88%

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 15.89% on August 29, 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

11.27%

August 19, 2026

Summary

Current Value: As of today, FTS 10-day volatility is 11.27%, down -0.62% on August 19, 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 6.48% on August 19, 2025

10-Day Volatility Chart

Performance

FTS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Aug 19, 26	11.27%	-0.6%	-33.4%	-47.8%	+6.8%	+73.9%	-14.4%	-7.4%
1-Month Volatility	Aug 19, 26	11.89%	-2.1%	-30.8%	-36.4%	-3.2%	-14.1%	-38.7%	+14.4%
3-Month Volatility	Aug 19, 26	14.87%	-1.5%	-12.7%	-2.1%	+26.6%	+12.7%	-12.6%	+44.6%
1-Year Volatility	Aug 19, 26	13.88%	-0.1%	-1.0%	+3.2%	-6.3%	-12.2%	-33.3%	+8.1%
14-Day RSI	Aug 19, 26	43.78	-5.1%	-29.5%	-6.2%	-22.2%	-26.9%	+29.6%	-11.4%
Beta	Aug 19, 26	-0.23	0.0%	+8.0%	-21.1%	-666.7%	-866.7%	-139.0%	-157.5%
ATR	Aug 19, 26	$0.80	-0.1%	-5.5%	-8.9%	+39.3%	+27.9%	+25.9%	+51.3%
Price	Aug 19, 26	$56.23	-0.4%	-4.3%	+0.7%	+8.3%	+11.9%	+41.8%	+23.6%
200-Day SMA	Aug 19, 26	$55.06	+0.1%	+1.3%	+3.9%	+12.0%	+20.5%	+32.0%	+28.1%
50-Day SMA	Aug 19, 26	$57.12	+0.0%	+1.0%	+1.0%	+11.2%	+18.0%	+35.7%	+26.2%
20-Day SMA	Aug 19, 26	$56.87	-0.2%	-0.9%	+1.1%	+11.0%	+13.9%	+38.3%	+24.9%

10-Day Volatility History

Date	Value	Change
Aug 19, 2026	11.27%	+6.8%
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 11.27%
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 6.48% on August 19, 2025

1-Month

11.89%

August 19, 2026

Summary

Current Value: As of today, FTS 1-month volatility is 11.89%, down -2.06% on August 19, 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	Aug 19, 26	11.89%	-2.1%	-30.8%	-36.4%	-3.2%	-14.1%	-38.7%	+14.4%
10-Day Volatility	Aug 19, 26	11.27%	-0.6%	-33.4%	-47.8%	+6.8%	+73.9%	-14.4%	-7.4%
3-Month Volatility	Aug 19, 26	14.87%	-1.5%	-12.7%	-2.1%	+26.6%	+12.7%	-12.6%	+44.6%
1-Year Volatility	Aug 19, 26	13.88%	-0.1%	-1.0%	+3.2%	-6.3%	-12.2%	-33.3%	+8.1%
14-Day RSI	Aug 19, 26	43.78	-5.1%	-29.5%	-6.2%	-22.2%	-26.9%	+29.6%	-11.4%
Beta	Aug 19, 26	-0.23	0.0%	+8.0%	-21.1%	-666.7%	-866.7%	-139.0%	-157.5%
ATR	Aug 19, 26	$0.80	-0.1%	-5.5%	-8.9%	+39.3%	+27.9%	+25.9%	+51.3%
Price	Aug 19, 26	$56.23	-0.4%	-4.3%	+0.7%	+8.3%	+11.9%	+41.8%	+23.6%
200-Day SMA	Aug 19, 26	$55.06	+0.1%	+1.3%	+3.9%	+12.0%	+20.5%	+32.0%	+28.1%
50-Day SMA	Aug 19, 26	$57.12	+0.0%	+1.0%	+1.0%	+11.2%	+18.0%	+35.7%	+26.2%
20-Day SMA	Aug 19, 26	$56.87	-0.2%	-0.9%	+1.1%	+11.0%	+13.9%	+38.3%	+24.9%

1-Month Volatility History

Date	Value	Change
Aug 19, 2026	11.89%	-2.5%
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 11.89%
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

14.87%

August 19, 2026

Summary

Current Value: As of today, FTS 3-month volatility is 14.87%, down -1.46% on August 19, 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	Aug 19, 26	14.87%	-1.5%	-12.7%	-2.1%	+26.6%	+12.7%	-12.6%	+44.6%
10-Day Volatility	Aug 19, 26	11.27%	-0.6%	-33.4%	-47.8%	+6.8%	+73.9%	-14.4%	-7.4%
1-Month Volatility	Aug 19, 26	11.89%	-2.1%	-30.8%	-36.4%	-3.2%	-14.1%	-38.7%	+14.4%
1-Year Volatility	Aug 19, 26	13.88%	-0.1%	-1.0%	+3.2%	-6.3%	-12.2%	-33.3%	+8.1%
14-Day RSI	Aug 19, 26	43.78	-5.1%	-29.5%	-6.2%	-22.2%	-26.9%	+29.6%	-11.4%
Beta	Aug 19, 26	-0.23	0.0%	+8.0%	-21.1%	-666.7%	-866.7%	-139.0%	-157.5%
ATR	Aug 19, 26	$0.80	-0.1%	-5.5%	-8.9%	+39.3%	+27.9%	+25.9%	+51.3%
Price	Aug 19, 26	$56.23	-0.4%	-4.3%	+0.7%	+8.3%	+11.9%	+41.8%	+23.6%
200-Day SMA	Aug 19, 26	$55.06	+0.1%	+1.3%	+3.9%	+12.0%	+20.5%	+32.0%	+28.1%
50-Day SMA	Aug 19, 26	$57.12	+0.0%	+1.0%	+1.0%	+11.2%	+18.0%	+35.7%	+26.2%
20-Day SMA	Aug 19, 26	$56.87	-0.2%	-0.9%	+1.1%	+11.0%	+13.9%	+38.3%	+24.9%

3-Month Volatility History

Date	Value	Change
Aug 19, 2026	14.87%	+26.6%
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 14.87%
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

13.88%

August 19, 2026

Summary

Current Value: As of today, FTS 1-year volatility is 13.88%, down -0.07% on August 19, 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 15.89% on August 29, 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	Aug 19, 26	13.88%	-0.1%	-1.0%	+3.2%	-6.3%	-12.2%	-33.3%	+8.1%
10-Day Volatility	Aug 19, 26	11.27%	-0.6%	-33.4%	-47.8%	+6.8%	+73.9%	-14.4%	-7.4%
1-Month Volatility	Aug 19, 26	11.89%	-2.1%	-30.8%	-36.4%	-3.2%	-14.1%	-38.7%	+14.4%
3-Month Volatility	Aug 19, 26	14.87%	-1.5%	-12.7%	-2.1%	+26.6%	+12.7%	-12.6%	+44.6%
1-Year Volatility	Aug 19, 26	13.88%	-0.1%	-1.0%	+3.2%	-6.3%	-12.2%	-33.3%	+8.1%
14-Day RSI	Aug 19, 26	43.78	-5.1%	-29.5%	-6.2%	-22.2%	-26.9%	+29.6%	-11.4%
Beta	Aug 19, 26	-0.23	0.0%	+8.0%	-21.1%	-666.7%	-866.7%	-139.0%	-157.5%
ATR	Aug 19, 26	$0.80	-0.1%	-5.5%	-8.9%	+39.3%	+27.9%	+25.9%	+51.3%
Price	Aug 19, 26	$56.23	-0.4%	-4.3%	+0.7%	+8.3%	+11.9%	+41.8%	+23.6%
200-Day SMA	Aug 19, 26	$55.06	+0.1%	+1.3%	+3.9%	+12.0%	+20.5%	+32.0%	+28.1%
50-Day SMA	Aug 19, 26	$57.12	+0.0%	+1.0%	+1.0%	+11.2%	+18.0%	+35.7%	+26.2%
20-Day SMA	Aug 19, 26	$56.87	-0.2%	-0.9%	+1.1%	+11.0%	+13.9%	+38.3%	+24.9%

1-Year Volatility History

Date	Value	Change
Aug 19, 2026	13.88%	-6.3%
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 13.88%
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 15.89% on August 29, 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