What is the current 10-day volatility of CNI?

As of today, CNI 10-day volatility is 15.19%

What 10-day volatility category does CNI fall into?

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

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

CNI 10-day volatility reached a 1-year high of 46.23% on May 6, 2026

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

CNI 10-day volatility reached a 1-year low of 8.94% on April 7, 2026

What is the current 1-month volatility of CNI?

As of today, CNI 1-month volatility is 18.41%

What 1-month volatility category does CNI fall into?

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

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

CNI 1-month volatility reached a 1-year high of 34.15% on May 8, 2026

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

CNI 1-month volatility reached a 1-year low of 13.43% on August 28, 2026

What is the current 3-month volatility of CNI?

As of today, CNI 3-month volatility is 18.69%

What 3-month volatility category does CNI fall into?

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

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

CNI 3-month volatility reached a 1-year high of 27.39% on April 29, 2026

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

CNI 3-month volatility reached a 1-year low of 15.90% on October 28, 2025

What is the current 1-year volatility of CNI?

As of today, CNI 1-year volatility is 21.87%

What 1-year volatility category does CNI fall into?

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

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

CNI 1-year volatility reached a 1-year high of 23.89% on January 30, 2026

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

CNI 1-year volatility reached a 1-year low of 21.54% on April 13, 2026

CNI Stock Volatility History & Chart Since 1996

10-Day

15.19%

September 16, 2026

Summary

Current Value: As of today, CNI 10-day volatility is 15.19%, down -28.89% on September 16, 2026
Value Category: Based on its current 10-day historical volatility, CNI falls into the low volatility category
1-Year High: CNI 10-day volatility reached a 1-year high of 46.23% on May 6, 2026
1-Year Low: CNI 10-day volatility reached a 1-year low of 8.94% on April 7, 2026

10-Day Volatility Chart

Performance

CNI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 16, 26	15.19%	-28.9%	+16.9%	-16.9%	+1.4%	-26.2%	-44.7%	-51.9%
1-Month Volatility	Sep 16, 26	18.41%	+5.4%	+13.5%	-1.7%	+19.4%	+0.4%	-13.8%	-48.6%
3-Month Volatility	Sep 16, 26	18.69%	-2.9%	+1.5%	-21.5%	+0.7%	-3.5%	+3.0%	-25.4%
1-Year Volatility	Sep 16, 26	21.87%	+0.5%	+0.4%	-0.9%	-3.6%	-2.8%	-1.8%	-8.5%
14-Day RSI	Sep 16, 26	34.07	-15.5%	-35.1%	-17.8%	-40.0%	-28.0%	-43.7%	-40.6%
Beta	Sep 16, 26	0.39	0.0%	+5.4%	-23.5%	-32.8%	-36.1%	-55.7%	-44.3%
ATR	Sep 16, 26	$2.05	+3.0%	-1.4%	-12.6%	+40.8%	+24.7%	-0.3%	-36.0%
Price	Sep 17, 26	$118.58	-0.8%	-6.3%	+4.0%	+19.9%	+25.3%	+1.9%	+0.2%
200-Day SMA	Sep 16, 26	$111.91	+0.1%	+2.9%	+9.0%	+14.1%	+11.2%	-5.3%	+1.5%
50-Day SMA	Sep 16, 26	$125.82	-0.1%	+1.9%	+10.3%	+30.7%	+30.7%	+9.2%	+14.2%
20-Day SMA	Sep 16, 26	$124.24	-0.3%	-2.6%	+5.2%	+26.3%	+30.4%	+11.0%	+7.2%

10-Day Volatility History

Date	Value	Change
Sep 17, 2026	15.19%	+1.4%
Dec 31, 2025	14.98%	+5.0%
Dec 31, 2024	14.27%	+15.8%
Dec 31, 2023	12.32%	-37.7%
Dec 31, 2022	19.76%	-41.7%
Dec 31, 2021	33.88%	+190.3%
Dec 31, 2020	11.67%	+45.7%
Dec 31, 2019	8.01%	-71.8%
Dec 31, 2018	28.36%	+213.7%
Dec 31, 2017	9.04%	+4.5%
Dec 31, 2016	8.65%	-15.1%
Dec 31, 2015	10.19%	-36.4%
Dec 31, 2014	16.02%	+29.8%
Dec 31, 2013	12.34%	+2.7%
Dec 31, 2012	12.01%	-20.9%
Dec 31, 2011	15.18%	+32.8%

Date	Value	Change
Dec 31, 2010	11.43%	-25.9%
Dec 31, 2009	15.43%	-68.0%
Dec 31, 2008	48.18%	+198.9%
Dec 31, 2007	16.12%	+51.5%
Dec 31, 2006	10.64%	-51.6%
Dec 31, 2005	21.99%	+11.5%
Dec 31, 2004	19.72%	+52.7%
Dec 31, 2003	12.91%	-44.6%
Dec 31, 2002	23.29%	+42.3%
Dec 31, 2001	16.37%	-42.3%
Dec 31, 2000	28.38%	-48.8%
Dec 31, 1999	55.43%	+289.8%
Dec 31, 1998	14.22%	-36.0%
Dec 31, 1997	22.22%	-32.6%
Dec 31, 1996	32.97%	-

FAQ

What is the current 10-day volatility of CNI?: As of today, CNI 10-day volatility is 15.19%
What 10-day volatility category does CNI fall into?: Based on its current 10-day historical volatility, CNI falls into the low volatility category
What is CNI 10-day volatility 1-year high?: CNI 10-day volatility reached a 1-year high of 46.23% on May 6, 2026
What is CNI 10-day volatility 1-year low?: CNI 10-day volatility reached a 1-year low of 8.94% on April 7, 2026

1-Month

18.41%

September 16, 2026

Summary

Current Value: As of today, CNI 1-month volatility is 18.41%, up +5.44% on September 16, 2026
Value Category: Based on its current 1-month historical volatility, CNI falls into the low volatility category
1-Year High: CNI 1-month volatility reached a 1-year high of 34.15% on May 8, 2026
1-Year Low: CNI 1-month volatility reached a 1-year low of 13.43% on August 28, 2026

Performance

CNI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 16, 26	18.41%	+5.4%	+13.5%	-1.7%	+19.4%	+0.4%	-13.8%	-48.6%
10-Day Volatility	Sep 16, 26	15.19%	-28.9%	+16.9%	-16.9%	+1.4%	-26.2%	-44.7%	-51.9%
3-Month Volatility	Sep 16, 26	18.69%	-2.9%	+1.5%	-21.5%	+0.7%	-3.5%	+3.0%	-25.4%
1-Year Volatility	Sep 16, 26	21.87%	+0.5%	+0.4%	-0.9%	-3.6%	-2.8%	-1.8%	-8.5%
14-Day RSI	Sep 16, 26	34.07	-15.5%	-35.1%	-17.8%	-40.0%	-28.0%	-43.7%	-40.6%
Beta	Sep 16, 26	0.39	0.0%	+5.4%	-23.5%	-32.8%	-36.1%	-55.7%	-44.3%
ATR	Sep 16, 26	$2.05	+3.0%	-1.4%	-12.6%	+40.8%	+24.7%	-0.3%	-36.0%
Price	Sep 17, 26	$118.58	-0.8%	-6.3%	+4.0%	+19.9%	+25.3%	+1.9%	+0.2%
200-Day SMA	Sep 16, 26	$111.91	+0.1%	+2.9%	+9.0%	+14.1%	+11.2%	-5.3%	+1.5%
50-Day SMA	Sep 16, 26	$125.82	-0.1%	+1.9%	+10.3%	+30.7%	+30.7%	+9.2%	+14.2%
20-Day SMA	Sep 16, 26	$124.24	-0.3%	-2.6%	+5.2%	+26.3%	+30.4%	+11.0%	+7.2%

1-Month Volatility History

Date	Value	Change
Sep 17, 2026	18.41%	+21.5%
Dec 31, 2025	15.15%	+10.8%
Dec 31, 2024	13.67%	+0.8%
Dec 31, 2023	13.56%	-25.7%
Dec 31, 2022	18.25%	-36.7%
Dec 31, 2021	28.83%	+110.6%
Dec 31, 2020	13.69%	+11.9%
Dec 31, 2019	12.23%	-53.2%
Dec 31, 2018	26.13%	+255.5%
Dec 31, 2017	7.35%	-53.2%
Dec 31, 2016	15.70%	-34.1%
Dec 31, 2015	23.81%	-19.3%
Dec 31, 2014	29.49%	+46.9%
Dec 31, 2013	20.07%	+74.8%
Dec 31, 2012	11.48%	-44.9%
Dec 31, 2011	20.82%	+33.8%

Date	Value	Change
Dec 31, 2010	15.56%	-30.6%
Dec 31, 2009	22.43%	-65.1%
Dec 31, 2008	64.29%	+177.2%
Dec 31, 2007	23.19%	+58.7%
Dec 31, 2006	14.61%	-18.2%
Dec 31, 2005	17.87%	-4.1%
Dec 31, 2004	18.64%	+37.8%
Dec 31, 2003	13.53%	-53.0%
Dec 31, 2002	28.79%	+56.6%
Dec 31, 2001	18.39%	-43.0%
Dec 31, 2000	32.29%	-22.1%
Dec 31, 1999	41.44%	+160.6%
Dec 31, 1998	15.90%	-34.5%
Dec 31, 1997	24.27%	-41.0%
Dec 31, 1996	41.17%	-

FAQ

What is the current 1-month volatility of CNI?: As of today, CNI 1-month volatility is 18.41%
What 1-month volatility category does CNI fall into?: Based on its current 1-month historical volatility, CNI falls into the low volatility category
What is CNI 1-month volatility 1-year high?: CNI 1-month volatility reached a 1-year high of 34.15% on May 8, 2026
What is CNI 1-month volatility 1-year low?: CNI 1-month volatility reached a 1-year low of 13.43% on August 28, 2026

3-Month

18.69%

September 16, 2026

Summary

Current Value: As of today, CNI 3-month volatility is 18.69%, down -2.91% on September 16, 2026
Value Category: Based on its current 3-month historical volatility, CNI falls into the low volatility category
1-Year High: CNI 3-month volatility reached a 1-year high of 27.39% on April 29, 2026
1-Year Low: CNI 3-month volatility reached a 1-year low of 15.90% on October 28, 2025

Performance

CNI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 16, 26	18.69%	-2.9%	+1.5%	-21.5%	+0.7%	-3.5%	+3.0%	-25.4%
10-Day Volatility	Sep 16, 26	15.19%	-28.9%	+16.9%	-16.9%	+1.4%	-26.2%	-44.7%	-51.9%
1-Month Volatility	Sep 16, 26	18.41%	+5.4%	+13.5%	-1.7%	+19.4%	+0.4%	-13.8%	-48.6%
1-Year Volatility	Sep 16, 26	21.87%	+0.5%	+0.4%	-0.9%	-3.6%	-2.8%	-1.8%	-8.5%
14-Day RSI	Sep 16, 26	34.07	-15.5%	-35.1%	-17.8%	-40.0%	-28.0%	-43.7%	-40.6%
Beta	Sep 16, 26	0.39	0.0%	+5.4%	-23.5%	-32.8%	-36.1%	-55.7%	-44.3%
ATR	Sep 16, 26	$2.05	+3.0%	-1.4%	-12.6%	+40.8%	+24.7%	-0.3%	-36.0%
Price	Sep 17, 26	$118.58	-0.8%	-6.3%	+4.0%	+19.9%	+25.3%	+1.9%	+0.2%
200-Day SMA	Sep 16, 26	$111.91	+0.1%	+2.9%	+9.0%	+14.1%	+11.2%	-5.3%	+1.5%
50-Day SMA	Sep 16, 26	$125.82	-0.1%	+1.9%	+10.3%	+30.7%	+30.7%	+9.2%	+14.2%
20-Day SMA	Sep 16, 26	$124.24	-0.3%	-2.6%	+5.2%	+26.3%	+30.4%	+11.0%	+7.2%

3-Month Volatility History

Date	Value	Change
Sep 17, 2026	18.69%	+1.5%
Dec 31, 2025	18.41%	+12.5%
Dec 31, 2024	16.37%	-4.2%
Dec 31, 2023	17.09%	-36.3%
Dec 31, 2022	26.81%	+10.9%
Dec 31, 2021	24.17%	+7.6%
Dec 31, 2020	22.47%	+37.0%
Dec 31, 2019	16.40%	-40.7%
Dec 31, 2018	27.66%	+134.6%
Dec 31, 2017	11.79%	-33.2%
Dec 31, 2016	17.66%	-26.6%
Dec 31, 2015	24.06%	-10.9%
Dec 31, 2014	27.00%	+72.7%
Dec 31, 2013	15.63%	+29.3%
Dec 31, 2012	12.09%	-58.3%
Dec 31, 2011	28.99%	+56.8%

Date	Value	Change
Dec 31, 2010	18.49%	-27.7%
Dec 31, 2009	25.56%	-64.5%
Dec 31, 2008	71.90%	+157.3%
Dec 31, 2007	27.94%	+50.5%
Dec 31, 2006	18.56%	+13.8%
Dec 31, 2005	16.31%	-8.4%
Dec 31, 2004	17.81%	+4.8%
Dec 31, 2003	16.99%	-50.9%
Dec 31, 2002	34.57%	+23.6%
Dec 31, 2001	27.97%	-9.5%
Dec 31, 2000	30.91%	-10.0%
Dec 31, 1999	34.33%	+41.5%
Dec 31, 1998	24.26%	-22.0%
Dec 31, 1997	31.09%	-27.8%
Dec 31, 1996	43.07%	-

FAQ

What is the current 3-month volatility of CNI?: As of today, CNI 3-month volatility is 18.69%
What 3-month volatility category does CNI fall into?: Based on its current 3-month historical volatility, CNI falls into the low volatility category
What is CNI 3-month volatility 1-year high?: CNI 3-month volatility reached a 1-year high of 27.39% on April 29, 2026
What is CNI 3-month volatility 1-year low?: CNI 3-month volatility reached a 1-year low of 15.90% on October 28, 2025

1-Year

21.87%

September 16, 2026

Summary

Current Value: As of today, CNI 1-year volatility is 21.87%, up +0.51% on September 16, 2026
Value Category: Based on its current 1-year historical volatility, CNI falls into the low volatility category
1-Year High: CNI 1-year volatility reached a 1-year high of 23.89% on January 30, 2026
1-Year Low: CNI 1-year volatility reached a 1-year low of 21.54% on April 13, 2026

Performance

CNI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 16, 26	21.87%	+0.5%	+0.4%	-0.9%	-3.6%	-2.8%	-1.8%	-8.5%
10-Day Volatility	Sep 16, 26	15.19%	-28.9%	+16.9%	-16.9%	+1.4%	-26.2%	-44.7%	-51.9%
1-Month Volatility	Sep 16, 26	18.41%	+5.4%	+13.5%	-1.7%	+19.4%	+0.4%	-13.8%	-48.6%
3-Month Volatility	Sep 16, 26	18.69%	-2.9%	+1.5%	-21.5%	+0.7%	-3.5%	+3.0%	-25.4%
1-Year Volatility	Sep 16, 26	21.87%	+0.5%	+0.4%	-0.9%	-3.6%	-2.8%	-1.8%	-8.5%
14-Day RSI	Sep 16, 26	34.07	-15.5%	-35.1%	-17.8%	-40.0%	-28.0%	-43.7%	-40.6%
Beta	Sep 16, 26	0.39	0.0%	+5.4%	-23.5%	-32.8%	-36.1%	-55.7%	-44.3%
ATR	Sep 16, 26	$2.05	+3.0%	-1.4%	-12.6%	+40.8%	+24.7%	-0.3%	-36.0%
Price	Sep 17, 26	$118.58	-0.8%	-6.3%	+4.0%	+19.9%	+25.3%	+1.9%	+0.2%
200-Day SMA	Sep 16, 26	$111.91	+0.1%	+2.9%	+9.0%	+14.1%	+11.2%	-5.3%	+1.5%
50-Day SMA	Sep 16, 26	$125.82	-0.1%	+1.9%	+10.3%	+30.7%	+30.7%	+9.2%	+14.2%
20-Day SMA	Sep 16, 26	$124.24	-0.3%	-2.6%	+5.2%	+26.3%	+30.4%	+11.0%	+7.2%

1-Year Volatility History

Date	Value	Change
Sep 17, 2026	21.87%	-3.6%
Dec 31, 2025	22.68%	+25.0%
Dec 31, 2024	18.15%	-7.0%
Dec 31, 2023	19.52%	-25.2%
Dec 31, 2022	26.08%	+6.3%
Dec 31, 2021	24.53%	-31.2%
Dec 31, 2020	35.65%	+121.2%
Dec 31, 2019	16.12%	-25.0%
Dec 31, 2018	21.50%	+48.9%
Dec 31, 2017	14.44%	-34.0%
Dec 31, 2016	21.88%	-2.6%
Dec 31, 2015	22.47%	+22.4%
Dec 31, 2014	18.36%	+19.1%
Dec 31, 2013	15.42%	-16.2%
Dec 31, 2012	18.41%	-28.7%
Dec 31, 2011	25.83%	+2.7%

Date	Value	Change
Dec 31, 2010	25.14%	-39.1%
Dec 31, 2009	41.27%	-11.6%
Dec 31, 2008	46.69%	+75.5%
Dec 31, 2007	26.61%	+17.6%
Dec 31, 2006	22.63%	+12.1%
Dec 31, 2005	20.18%	-1.3%
Dec 31, 2004	20.44%	+6.3%
Dec 31, 2003	19.23%	-37.8%
Dec 31, 2002	30.92%	+0.4%
Dec 31, 2001	30.80%	-15.8%
Dec 31, 2000	36.57%	+22.7%
Dec 31, 1999	29.81%	+17.6%
Dec 31, 1998	25.35%	+7.8%
Dec 31, 1997	23.51%	-45.4%
Dec 31, 1996	43.07%	-

FAQ

What is the current 1-year volatility of CNI?: As of today, CNI 1-year volatility is 21.87%
What 1-year volatility category does CNI fall into?: Based on its current 1-year historical volatility, CNI falls into the low volatility category
What is CNI 1-year volatility 1-year high?: CNI 1-year volatility reached a 1-year high of 23.89% on January 30, 2026
What is CNI 1-year volatility 1-year low?: CNI 1-year volatility reached a 1-year low of 21.54% on April 13, 2026

Data Sources & References

CNI Official Website www.cn.ca
CNI Profile on Yahoo Finance finance.yahoo.com/quote/CNI
CNI Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/cni