What is the current 10-day volatility of NI?

As of today, NI 10-day volatility is 12.82%

What 10-day volatility category does NI fall into?

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

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

NI 10-day volatility reached a 1-year high of 30.39% on September 17, 2025

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

NI 10-day volatility reached a 1-year low of 8.79% on February 10, 2026

What is the current 1-month volatility of NI?

As of today, NI 1-month volatility is 14.72%

What 1-month volatility category does NI fall into?

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

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

NI 1-month volatility reached a 1-year high of 27.13% on September 29, 2025

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

NI 1-month volatility reached a 1-year low of 12.18% on February 11, 2026

What is the current 3-month volatility of NI?

As of today, NI 3-month volatility is 19.64%

What 3-month volatility category does NI fall into?

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

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

NI 3-month volatility reached a 1-year high of 21.43% on August 14, 2026

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

NI 3-month volatility reached a 1-year low of 14.62% on February 9, 2026

What is the current 1-year volatility of NI?

As of today, NI 1-year volatility is 18.18%

What 1-year volatility category does NI fall into?

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

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

NI 1-year volatility reached a 1-year high of 20.66% on October 10, 2025

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

NI 1-year volatility reached a 1-year low of 17.49% on May 26, 2026

NiSource Inc. (NI) Stock Volatility History & Chart

10-Day

12.82%

September 11, 2026

Summary

Current Value: As of today, NI 10-day volatility is 12.82%, down -1.99% on September 11, 2026
Value Category: Based on its current 10-day historical volatility, NI falls into the very low volatility category
1-Year High: NI 10-day volatility reached a 1-year high of 30.39% on September 17, 2025
1-Year Low: NI 10-day volatility reached a 1-year low of 8.79% on February 10, 2026

10-Day Volatility Chart

Performance

NI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 11, 26	12.82%	-2.0%	-47.1%	-42.5%	+7.2%	-52.3%	-14.5%	-41.4%
1-Month Volatility	Sep 11, 26	14.72%	+2.6%	-34.3%	-31.3%	+8.7%	-31.2%	+12.6%	-12.3%
3-Month Volatility	Sep 11, 26	19.64%	-0.3%	-8.3%	+5.5%	+25.2%	+3.1%	+20.2%	+9.5%
1-Year Volatility	Sep 11, 26	18.18%	+0.1%	-2.6%	+1.4%	-11.1%	-8.6%	-20.9%	-18.1%
14-Day RSI	Sep 11, 26	42.30	-0.2%	+22.2%	-4.1%	-10.7%	-26.3%	-36.0%	+10.1%
Beta	Sep 11, 26	0.16	0.0%	+6.7%	-20.0%	-60.0%	-57.9%	-76.8%	-65.2%
ATR	Sep 11, 26	$0.74	-2.0%	-17.7%	-11.1%	+21.7%	-1.7%	+82.4%	+81.0%
Price	Sep 11, 26	$41.41	-0.0%	-2.6%	-12.3%	-0.8%	+1.0%	+49.3%	+70.3%
200-Day SMA	Sep 11, 26	$45.03	-0.0%	-0.3%	+1.4%	+9.7%	+14.6%	+64.0%	+86.1%
50-Day SMA	Sep 11, 26	$43.69	-0.3%	-4.8%	-7.5%	+2.7%	+5.3%	+61.1%	+73.7%
20-Day SMA	Sep 11, 26	$41.38	-0.1%	-6.5%	-11.3%	-0.6%	-0.7%	+55.0%	+65.2%

10-Day Volatility History

Date	Value	Change
Sep 14, 2026	12.82%	+7.2%
Dec 31, 2025	11.96%	-24.0%
Dec 31, 2024	15.74%	+16.5%
Dec 31, 2023	13.51%	-18.7%
Dec 31, 2022	16.62%	+56.8%
Dec 31, 2021	10.60%	-60.2%
Dec 31, 2020	26.60%	+139.2%
Dec 31, 2019	11.12%	-59.3%
Dec 31, 2018	27.35%	+8.7%
Dec 31, 2017	25.15%	+85.5%
Dec 31, 2016	13.56%	-24.3%
Dec 31, 2015	17.92%	-41.5%
Dec 31, 2014	30.61%	+25.3%
Dec 31, 2013	24.43%	+106.2%
Dec 31, 2012	11.85%	-45.6%
Dec 31, 2011	21.80%	+164.2%
Dec 31, 2010	8.25%	-36.4%
Dec 31, 2009	12.98%	-61.6%
Dec 31, 2008	33.79%	+63.9%
Dec 31, 2007	20.62%	+110.0%
Dec 31, 2006	9.82%	+17.0%
Dec 31, 2005	8.39%	-32.4%
Dec 31, 2004	12.41%	+57.1%
Dec 31, 2003	7.90%	-58.3%
Dec 31, 2002	18.94%	-20.7%
Dec 31, 2001	23.88%	-42.3%
Dec 31, 2000	41.40%	+2.7%

Date	Value	Change
Dec 31, 1999	40.33%	+147.6%
Dec 31, 1998	16.29%	+20.5%
Dec 31, 1997	13.52%	-1.0%
Dec 31, 1996	13.66%	+72.5%
Dec 31, 1995	7.92%	+19.5%
Dec 31, 1994	6.63%	-31.2%
Dec 31, 1993	9.64%	+10.8%
Dec 31, 1992	8.70%	-43.4%
Dec 31, 1991	15.36%	+22.4%
Dec 31, 1990	12.55%	-2.1%
Dec 31, 1989	12.82%	+21.4%
Dec 31, 1988	10.56%	-56.7%
Dec 31, 1987	24.40%	+5.9%
Dec 31, 1986	23.04%	-28.0%
Dec 31, 1985	32.02%	-54.8%
Dec 31, 1984	70.91%	+281.6%
Dec 31, 1983	18.58%	+9.7%
Dec 31, 1982	16.93%	+47.5%
Dec 31, 1981	11.48%	-73.8%
Dec 31, 1980	43.89%	+116.2%
Dec 31, 1979	20.30%	+14.2%
Dec 31, 1978	17.77%	+84.3%
Dec 31, 1977	9.64%	-33.6%
Dec 31, 1976	14.52%	-19.2%
Dec 31, 1975	17.97%	-50.3%
Dec 31, 1974	36.18%	-31.7%
Dec 31, 1973	52.96%	-

FAQ

What is the current 10-day volatility of NI?: As of today, NI 10-day volatility is 12.82%
What 10-day volatility category does NI fall into?: Based on its current 10-day historical volatility, NI falls into the very low volatility category
What is NI 10-day volatility 1-year high?: NI 10-day volatility reached a 1-year high of 30.39% on September 17, 2025
What is NI 10-day volatility 1-year low?: NI 10-day volatility reached a 1-year low of 8.79% on February 10, 2026

1-Month

14.72%

September 11, 2026

Summary

Current Value: As of today, NI 1-month volatility is 14.72%, up +2.65% on September 11, 2026
Value Category: Based on its current 1-month historical volatility, NI falls into the very low volatility category
1-Year High: NI 1-month volatility reached a 1-year high of 27.13% on September 29, 2025
1-Year Low: NI 1-month volatility reached a 1-year low of 12.18% on February 11, 2026

Performance

NI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 11, 26	14.72%	+2.6%	-34.3%	-31.3%	+8.7%	-31.2%	+12.6%	-12.3%
10-Day Volatility	Sep 11, 26	12.82%	-2.0%	-47.1%	-42.5%	+7.2%	-52.3%	-14.5%	-41.4%
3-Month Volatility	Sep 11, 26	19.64%	-0.3%	-8.3%	+5.5%	+25.2%	+3.1%	+20.2%	+9.5%
1-Year Volatility	Sep 11, 26	18.18%	+0.1%	-2.6%	+1.4%	-11.1%	-8.6%	-20.9%	-18.1%
14-Day RSI	Sep 11, 26	42.30	-0.2%	+22.2%	-4.1%	-10.7%	-26.3%	-36.0%	+10.1%
Beta	Sep 11, 26	0.16	0.0%	+6.7%	-20.0%	-60.0%	-57.9%	-76.8%	-65.2%
ATR	Sep 11, 26	$0.74	-2.0%	-17.7%	-11.1%	+21.7%	-1.7%	+82.4%	+81.0%
Price	Sep 11, 26	$41.41	-0.0%	-2.6%	-12.3%	-0.8%	+1.0%	+49.3%	+70.3%
200-Day SMA	Sep 11, 26	$45.03	-0.0%	-0.3%	+1.4%	+9.7%	+14.6%	+64.0%	+86.1%
50-Day SMA	Sep 11, 26	$43.69	-0.3%	-4.8%	-7.5%	+2.7%	+5.3%	+61.1%	+73.7%
20-Day SMA	Sep 11, 26	$41.38	-0.1%	-6.5%	-11.3%	-0.6%	-0.7%	+55.0%	+65.2%

1-Month Volatility History

Date	Value	Change
Sep 14, 2026	14.72%	-5.3%
Dec 31, 2025	15.55%	+10.4%
Dec 31, 2024	14.09%	-25.1%
Dec 31, 2023	18.81%	+10.2%
Dec 31, 2022	17.07%	+32.9%
Dec 31, 2021	12.84%	-51.1%
Dec 31, 2020	26.27%	+132.5%
Dec 31, 2019	11.30%	-54.4%
Dec 31, 2018	24.80%	+18.7%
Dec 31, 2017	20.89%	+43.1%
Dec 31, 2016	14.60%	-28.2%
Dec 31, 2015	20.34%	-24.2%
Dec 31, 2014	26.84%	+38.7%
Dec 31, 2013	19.35%	+53.1%
Dec 31, 2012	12.64%	-46.4%
Dec 31, 2011	23.57%	+120.9%
Dec 31, 2010	10.67%	-27.7%
Dec 31, 2009	14.76%	-67.7%
Dec 31, 2008	45.69%	+118.8%
Dec 31, 2007	20.88%	+121.4%
Dec 31, 2006	9.43%	-16.2%
Dec 31, 2005	11.25%	-5.3%
Dec 31, 2004	11.88%	-11.7%
Dec 31, 2003	13.45%	-26.5%
Dec 31, 2002	18.30%	-8.6%
Dec 31, 2001	20.03%	-35.0%
Dec 31, 2000	30.83%	-16.7%

Date	Value	Change
Dec 31, 1999	37.00%	+140.9%
Dec 31, 1998	15.36%	+26.0%
Dec 31, 1997	12.19%	+11.3%
Dec 31, 1996	10.95%	+14.8%
Dec 31, 1995	9.54%	-22.3%
Dec 31, 1994	12.28%	-17.1%
Dec 31, 1993	14.81%	+46.9%
Dec 31, 1992	10.08%	-53.2%
Dec 31, 1991	21.54%	+90.5%
Dec 31, 1990	11.31%	-29.7%
Dec 31, 1989	16.09%	+29.0%
Dec 31, 1988	12.47%	-45.3%
Dec 31, 1987	22.81%	-22.7%
Dec 31, 1986	29.49%	+3.5%
Dec 31, 1985	28.48%	-43.0%
Dec 31, 1984	49.97%	+227.2%
Dec 31, 1983	15.27%	-25.0%
Dec 31, 1982	20.36%	+63.1%
Dec 31, 1981	12.48%	-63.9%
Dec 31, 1980	34.54%	+117.2%
Dec 31, 1979	15.90%	+0.6%
Dec 31, 1978	15.80%	+65.3%
Dec 31, 1977	9.56%	-33.5%
Dec 31, 1976	14.37%	-16.9%
Dec 31, 1975	17.29%	-46.8%
Dec 31, 1974	32.48%	-30.0%
Dec 31, 1973	46.41%	-

FAQ

What is the current 1-month volatility of NI?: As of today, NI 1-month volatility is 14.72%
What 1-month volatility category does NI fall into?: Based on its current 1-month historical volatility, NI falls into the very low volatility category
What is NI 1-month volatility 1-year high?: NI 1-month volatility reached a 1-year high of 27.13% on September 29, 2025
What is NI 1-month volatility 1-year low?: NI 1-month volatility reached a 1-year low of 12.18% on February 11, 2026

3-Month

19.64%

September 11, 2026

Summary

Current Value: As of today, NI 3-month volatility is 19.64%, down -0.30% on September 11, 2026
Value Category: Based on its current 3-month historical volatility, NI falls into the low volatility category
1-Year High: NI 3-month volatility reached a 1-year high of 21.43% on August 14, 2026
1-Year Low: NI 3-month volatility reached a 1-year low of 14.62% on February 9, 2026

Performance

NI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 11, 26	19.64%	-0.3%	-8.3%	+5.5%	+25.2%	+3.1%	+20.2%	+9.5%
10-Day Volatility	Sep 11, 26	12.82%	-2.0%	-47.1%	-42.5%	+7.2%	-52.3%	-14.5%	-41.4%
1-Month Volatility	Sep 11, 26	14.72%	+2.6%	-34.3%	-31.3%	+8.7%	-31.2%	+12.6%	-12.3%
1-Year Volatility	Sep 11, 26	18.18%	+0.1%	-2.6%	+1.4%	-11.1%	-8.6%	-20.9%	-18.1%
14-Day RSI	Sep 11, 26	42.30	-0.2%	+22.2%	-4.1%	-10.7%	-26.3%	-36.0%	+10.1%
Beta	Sep 11, 26	0.16	0.0%	+6.7%	-20.0%	-60.0%	-57.9%	-76.8%	-65.2%
ATR	Sep 11, 26	$0.74	-2.0%	-17.7%	-11.1%	+21.7%	-1.7%	+82.4%	+81.0%
Price	Sep 11, 26	$41.41	-0.0%	-2.6%	-12.3%	-0.8%	+1.0%	+49.3%	+70.3%
200-Day SMA	Sep 11, 26	$45.03	-0.0%	-0.3%	+1.4%	+9.7%	+14.6%	+64.0%	+86.1%
50-Day SMA	Sep 11, 26	$43.69	-0.3%	-4.8%	-7.5%	+2.7%	+5.3%	+61.1%	+73.7%
20-Day SMA	Sep 11, 26	$41.38	-0.1%	-6.5%	-11.3%	-0.6%	-0.7%	+55.0%	+65.2%

3-Month Volatility History

Date	Value	Change
Sep 14, 2026	19.64%	+26.0%
Dec 31, 2025	15.59%	-1.5%
Dec 31, 2024	15.83%	-39.0%
Dec 31, 2023	25.93%	-14.8%
Dec 31, 2022	30.45%	+99.7%
Dec 31, 2021	15.25%	-45.5%
Dec 31, 2020	28.00%	+98.6%
Dec 31, 2019	14.10%	-31.1%
Dec 31, 2018	20.47%	+32.6%
Dec 31, 2017	15.44%	-26.1%
Dec 31, 2016	20.88%	+10.2%
Dec 31, 2015	18.95%	-18.0%
Dec 31, 2014	23.11%	+39.2%
Dec 31, 2013	16.60%	+28.5%
Dec 31, 2012	12.92%	-49.6%
Dec 31, 2011	25.66%	+119.3%
Dec 31, 2010	11.70%	-39.3%
Dec 31, 2009	19.28%	-70.0%
Dec 31, 2008	64.27%	+151.4%
Dec 31, 2007	25.56%	+86.4%
Dec 31, 2006	13.71%	-32.4%
Dec 31, 2005	20.29%	+69.1%
Dec 31, 2004	12.00%	-22.4%
Dec 31, 2003	15.47%	-64.2%
Dec 31, 2002	43.21%	+14.1%
Dec 31, 2001	37.86%	+26.3%
Dec 31, 2000	29.97%	-6.9%

Date	Value	Change
Dec 31, 1999	32.18%	+48.7%
Dec 31, 1998	21.64%	+71.3%
Dec 31, 1997	12.63%	+28.1%
Dec 31, 1996	9.86%	-5.7%
Dec 31, 1995	10.46%	-35.7%
Dec 31, 1994	16.27%	-17.1%
Dec 31, 1993	19.62%	+70.3%
Dec 31, 1992	11.52%	-31.8%
Dec 31, 1991	16.88%	-12.2%
Dec 31, 1990	19.23%	+24.7%
Dec 31, 1989	15.42%	-12.7%
Dec 31, 1988	17.66%	-65.3%
Dec 31, 1987	50.87%	+68.9%
Dec 31, 1986	30.11%	-44.7%
Dec 31, 1985	54.42%	+65.9%
Dec 31, 1984	32.80%	+108.3%
Dec 31, 1983	15.75%	-45.5%
Dec 31, 1982	28.92%	+48.1%
Dec 31, 1981	19.53%	-30.2%
Dec 31, 1980	27.99%	+18.4%
Dec 31, 1979	23.65%	+27.6%
Dec 31, 1978	18.53%	+35.5%
Dec 31, 1977	13.68%	-10.4%
Dec 31, 1976	15.26%	-28.2%
Dec 31, 1975	21.24%	-42.0%
Dec 31, 1974	36.65%	+2.5%
Dec 31, 1973	35.74%	-

FAQ

What is the current 3-month volatility of NI?: As of today, NI 3-month volatility is 19.64%
What 3-month volatility category does NI fall into?: Based on its current 3-month historical volatility, NI falls into the low volatility category
What is NI 3-month volatility 1-year high?: NI 3-month volatility reached a 1-year high of 21.43% on August 14, 2026
What is NI 3-month volatility 1-year low?: NI 3-month volatility reached a 1-year low of 14.62% on February 9, 2026

1-Year

18.18%

September 11, 2026

Summary

Current Value: As of today, NI 1-year volatility is 18.18%, up +0.06% on September 11, 2026
Value Category: Based on its current 1-year historical volatility, NI falls into the low volatility category
1-Year High: NI 1-year volatility reached a 1-year high of 20.66% on October 10, 2025
1-Year Low: NI 1-year volatility reached a 1-year low of 17.49% on May 26, 2026

Performance

NI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 11, 26	18.18%	+0.1%	-2.6%	+1.4%	-11.1%	-8.6%	-20.9%	-18.1%
10-Day Volatility	Sep 11, 26	12.82%	-2.0%	-47.1%	-42.5%	+7.2%	-52.3%	-14.5%	-41.4%
1-Month Volatility	Sep 11, 26	14.72%	+2.6%	-34.3%	-31.3%	+8.7%	-31.2%	+12.6%	-12.3%
3-Month Volatility	Sep 11, 26	19.64%	-0.3%	-8.3%	+5.5%	+25.2%	+3.1%	+20.2%	+9.5%
1-Year Volatility	Sep 11, 26	18.18%	+0.1%	-2.6%	+1.4%	-11.1%	-8.6%	-20.9%	-18.1%
14-Day RSI	Sep 11, 26	42.30	-0.2%	+22.2%	-4.1%	-10.7%	-26.3%	-36.0%	+10.1%
Beta	Sep 11, 26	0.16	0.0%	+6.7%	-20.0%	-60.0%	-57.9%	-76.8%	-65.2%
ATR	Sep 11, 26	$0.74	-2.0%	-17.7%	-11.1%	+21.7%	-1.7%	+82.4%	+81.0%
Price	Sep 11, 26	$41.41	-0.0%	-2.6%	-12.3%	-0.8%	+1.0%	+49.3%	+70.3%
200-Day SMA	Sep 11, 26	$45.03	-0.0%	-0.3%	+1.4%	+9.7%	+14.6%	+64.0%	+86.1%
50-Day SMA	Sep 11, 26	$43.69	-0.3%	-4.8%	-7.5%	+2.7%	+5.3%	+61.1%	+73.7%
20-Day SMA	Sep 11, 26	$41.38	-0.1%	-6.5%	-11.3%	-0.6%	-0.7%	+55.0%	+65.2%

1-Year Volatility History

Date	Value	Change
Sep 14, 2026	18.18%	-11.1%
Dec 31, 2025	20.45%	+29.8%
Dec 31, 2024	15.75%	-24.3%
Dec 31, 2023	20.81%	-16.8%
Dec 31, 2022	25.00%	+35.3%
Dec 31, 2021	18.48%	-58.9%
Dec 31, 2020	44.94%	+174.9%
Dec 31, 2019	16.35%	-24.4%
Dec 31, 2018	21.64%	+52.6%
Dec 31, 2017	14.18%	-28.8%
Dec 31, 2016	19.92%	-12.9%
Dec 31, 2015	22.86%	+27.7%
Dec 31, 2014	17.90%	+13.4%
Dec 31, 2013	15.79%	+6.2%
Dec 31, 2012	14.87%	-34.1%
Dec 31, 2011	22.56%	+10.1%
Dec 31, 2010	20.49%	-38.1%
Dec 31, 2009	33.11%	-15.1%
Dec 31, 2008	38.98%	+58.0%
Dec 31, 2007	24.67%	+67.9%
Dec 31, 2006	14.69%	-11.7%
Dec 31, 2005	16.64%	+27.1%
Dec 31, 2004	13.09%	-41.4%
Dec 31, 2003	22.33%	-34.1%
Dec 31, 2002	33.89%	+12.2%
Dec 31, 2001	30.21%	-16.0%
Dec 31, 2000	35.95%	+45.3%

Date	Value	Change
Dec 31, 1999	24.75%	+41.7%
Dec 31, 1998	17.47%	+65.7%
Dec 31, 1997	10.54%	-15.9%
Dec 31, 1996	12.54%	+14.8%
Dec 31, 1995	10.92%	-38.2%
Dec 31, 1994	17.68%	+18.0%
Dec 31, 1993	14.98%	+16.4%
Dec 31, 1992	12.87%	-28.5%
Dec 31, 1991	18.01%	-8.2%
Dec 31, 1990	19.62%	+25.8%
Dec 31, 1989	15.59%	-28.7%
Dec 31, 1988	21.87%	-43.2%
Dec 31, 1987	38.51%	+41.9%
Dec 31, 1986	27.14%	-20.7%
Dec 31, 1985	34.21%	+35.5%
Dec 31, 1984	25.24%	+34.5%
Dec 31, 1983	18.76%	-20.0%
Dec 31, 1982	23.44%	-0.3%
Dec 31, 1981	23.51%	-9.9%
Dec 31, 1980	26.10%	+46.1%
Dec 31, 1979	17.86%	+9.6%
Dec 31, 1978	16.29%	+1.1%
Dec 31, 1977	16.12%	-13.7%
Dec 31, 1976	18.68%	-28.2%
Dec 31, 1975	26.01%	-16.6%
Dec 31, 1974	31.18%	+19.6%
Dec 31, 1973	26.07%	-

FAQ

What is the current 1-year volatility of NI?: As of today, NI 1-year volatility is 18.18%
What 1-year volatility category does NI fall into?: Based on its current 1-year historical volatility, NI falls into the low volatility category
What is NI 1-year volatility 1-year high?: NI 1-year volatility reached a 1-year high of 20.66% on October 10, 2025
What is NI 1-year volatility 1-year low?: NI 1-year volatility reached a 1-year low of 17.49% on May 26, 2026

Data Sources & References

NI Official Website www.nisource.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1111711/000111171126000027/0001111711-26-000027-index.htm
NI Profile on Yahoo Finance finance.yahoo.com/quote/NI
NI Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ni