What is the current 10-day volatility of STN?

As of today, STN 10-day volatility is 26.37%

What 10-day volatility category does STN fall into?

Based on its current 10-day historical volatility, STN falls into the moderate volatility category

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

STN 10-day volatility reached a 1-year high of 71.74% on February 26, 2026

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

STN 10-day volatility reached a 1-year low of 10.63% on August 25, 2026

What is the current 1-month volatility of STN?

As of today, STN 1-month volatility is 24.38%

What 1-month volatility category does STN fall into?

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

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

STN 1-month volatility reached a 1-year high of 55.08% on February 27, 2026

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

STN 1-month volatility reached a 1-year low of 15.99% on August 28, 2026

What is the current 3-month volatility of STN?

As of today, STN 3-month volatility is 24.56%

What 3-month volatility category does STN fall into?

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

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

STN 3-month volatility reached a 1-year high of 36.22% on May 8, 2026

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

STN 3-month volatility reached a 1-year low of 18.99% on September 29, 2025

What is the current 1-year volatility of STN?

As of today, STN 1-year volatility is 29.45%

What 1-year volatility category does STN fall into?

Based on its current 1-year historical volatility, STN falls into the moderate volatility category

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

STN 1-year volatility reached a 1-year high of 29.65% on September 9, 2026

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

STN 1-year volatility reached a 1-year low of 25.27% on April 10, 2026

Stantec Inc. (STN) Stock Volatility History & Chart

10-Day

26.37%

September 25, 2026

Summary

Current Value: As of today, STN 10-day volatility is 26.37%, up +1.74% on September 25, 2026
Value Category: Based on its current 10-day historical volatility, STN falls into the moderate volatility category
1-Year High: STN 10-day volatility reached a 1-year high of 71.74% on February 26, 2026
1-Year Low: STN 10-day volatility reached a 1-year low of 10.63% on August 25, 2026

10-Day Volatility Chart

Performance

STN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 25, 26	26.37%	+1.7%	+148.1%	-4.3%	+22.5%	-3.9%	+26.4%	+22.2%
1-Month Volatility	Sep 25, 26	24.38%	-3.3%	+4.5%	-6.8%	+33.5%	+6.8%	+48.4%	+24.7%
3-Month Volatility	Sep 25, 26	24.56%	-2.0%	-3.0%	-26.3%	+7.2%	+28.3%	+51.9%	+38.7%
1-Year Volatility	Sep 25, 26	29.45%	+0.2%	+0.8%	+4.0%	+9.6%	+12.9%	+25.7%	+47.4%
14-Day RSI	Sep 25, 26	40.16	+8.3%	-25.9%	+25.9%	-3.0%	-11.4%	-15.7%	-20.0%
Beta	Sep 25, 26	0.79	0.0%	-3.7%	-14.1%	+8.2%	+16.2%	-4.8%	+43.6%
ATR	Sep 25, 26	$1.78	-1.9%	-11.9%	-19.8%	+7.5%	-12.5%	+54.3%	+119.3%
Price	Sep 25, 26	$69.02	+0.8%	-6.1%	+1.5%	-26.9%	-35.8%	+4.6%	+40.7%
200-Day SMA	Sep 25, 26	$83.01	-0.2%	-3.5%	-12.0%	-18.6%	-11.8%	+40.2%	+94.2%
50-Day SMA	Sep 25, 26	$71.78	-0.0%	+1.4%	-10.3%	-28.8%	-34.3%	+7.7%	+50.1%
20-Day SMA	Sep 25, 26	$71.16	-0.4%	-2.8%	-1.3%	-24.9%	-34.8%	+7.1%	+43.4%

10-Day Volatility History

Date	Value	Change
Sep 25, 2026	26.37%	+22.5%
Dec 31, 2025	21.52%	+81.1%
Dec 31, 2024	11.88%	+29.0%
Dec 31, 2023	9.21%	-46.5%
Dec 31, 2022	17.23%	-12.8%
Dec 31, 2021	19.76%	+16.0%
Dec 31, 2020	17.04%	+82.8%
Dec 31, 2019	9.32%	-63.9%
Dec 31, 2018	25.79%	+149.4%
Dec 31, 2017	10.34%	-17.7%
Dec 31, 2016	12.57%	-31.4%

Date	Value	Change
Dec 31, 2015	18.32%	-31.7%
Dec 31, 2014	26.82%	+63.3%
Dec 31, 2013	16.42%	-49.1%
Dec 31, 2012	32.24%	+16.2%
Dec 31, 2011	27.75%	+23.0%
Dec 31, 2010	22.57%	-32.9%
Dec 31, 2009	33.63%	-41.7%
Dec 31, 2008	57.68%	+191.3%
Dec 31, 2007	19.80%	+8.5%
Dec 31, 2006	18.25%	-18.1%
Dec 31, 2005	22.29%	-

FAQ

What is the current 10-day volatility of STN?: As of today, STN 10-day volatility is 26.37%
What 10-day volatility category does STN fall into?: Based on its current 10-day historical volatility, STN falls into the moderate volatility category
What is STN 10-day volatility 1-year high?: STN 10-day volatility reached a 1-year high of 71.74% on February 26, 2026
What is STN 10-day volatility 1-year low?: STN 10-day volatility reached a 1-year low of 10.63% on August 25, 2026

1-Month

24.38%

September 25, 2026

Summary

Current Value: As of today, STN 1-month volatility is 24.38%, down -3.33% on September 25, 2026
Value Category: Based on its current 1-month historical volatility, STN falls into the low volatility category
1-Year High: STN 1-month volatility reached a 1-year high of 55.08% on February 27, 2026
1-Year Low: STN 1-month volatility reached a 1-year low of 15.99% on August 28, 2026

Performance

STN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 25, 26	24.38%	-3.3%	+4.5%	-6.8%	+33.5%	+6.8%	+48.4%	+24.7%
10-Day Volatility	Sep 25, 26	26.37%	+1.7%	+148.1%	-4.3%	+22.5%	-3.9%	+26.4%	+22.2%
3-Month Volatility	Sep 25, 26	24.56%	-2.0%	-3.0%	-26.3%	+7.2%	+28.3%	+51.9%	+38.7%
1-Year Volatility	Sep 25, 26	29.45%	+0.2%	+0.8%	+4.0%	+9.6%	+12.9%	+25.7%	+47.4%
14-Day RSI	Sep 25, 26	40.16	+8.3%	-25.9%	+25.9%	-3.0%	-11.4%	-15.7%	-20.0%
Beta	Sep 25, 26	0.79	0.0%	-3.7%	-14.1%	+8.2%	+16.2%	-4.8%	+43.6%
ATR	Sep 25, 26	$1.78	-1.9%	-11.9%	-19.8%	+7.5%	-12.5%	+54.3%	+119.3%
Price	Sep 25, 26	$69.02	+0.8%	-6.1%	+1.5%	-26.9%	-35.8%	+4.6%	+40.7%
200-Day SMA	Sep 25, 26	$83.01	-0.2%	-3.5%	-12.0%	-18.6%	-11.8%	+40.2%	+94.2%
50-Day SMA	Sep 25, 26	$71.78	-0.0%	+1.4%	-10.3%	-28.8%	-34.3%	+7.7%	+50.1%
20-Day SMA	Sep 25, 26	$71.16	-0.4%	-2.8%	-1.3%	-24.9%	-34.8%	+7.1%	+43.4%

1-Month Volatility History

Date	Value	Change
Sep 25, 2026	25.44%	+38.7%
Dec 31, 2025	18.34%	+38.8%
Dec 31, 2024	13.21%	-16.7%
Dec 31, 2023	15.85%	-22.0%
Dec 31, 2022	20.32%	-9.1%
Dec 31, 2021	22.35%	-7.1%
Dec 31, 2020	24.06%	+111.4%
Dec 31, 2019	11.38%	-53.2%
Dec 31, 2018	24.34%	+133.4%
Dec 31, 2017	10.43%	-42.2%
Dec 31, 2016	18.03%	-14.0%

Date	Value	Change
Dec 31, 2015	20.96%	-36.3%
Dec 31, 2014	32.90%	+71.7%
Dec 31, 2013	19.16%	-29.0%
Dec 31, 2012	26.99%	+0.2%
Dec 31, 2011	26.94%	+47.5%
Dec 31, 2010	18.27%	-36.5%
Dec 31, 2009	28.75%	-59.3%
Dec 31, 2008	70.60%	+123.6%
Dec 31, 2007	31.58%	+40.9%
Dec 31, 2006	22.42%	+15.1%
Dec 31, 2005	19.48%	-

FAQ

What is the current 1-month volatility of STN?: As of today, STN 1-month volatility is 24.38%
What 1-month volatility category does STN fall into?: Based on its current 1-month historical volatility, STN falls into the low volatility category
What is STN 1-month volatility 1-year high?: STN 1-month volatility reached a 1-year high of 55.08% on February 27, 2026
What is STN 1-month volatility 1-year low?: STN 1-month volatility reached a 1-year low of 15.99% on August 28, 2026

3-Month

24.56%

September 25, 2026

Summary

Current Value: As of today, STN 3-month volatility is 24.56%, down -1.96% on September 25, 2026
Value Category: Based on its current 3-month historical volatility, STN falls into the low volatility category
1-Year High: STN 3-month volatility reached a 1-year high of 36.22% on May 8, 2026
1-Year Low: STN 3-month volatility reached a 1-year low of 18.99% on September 29, 2025

Performance

STN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 25, 26	24.56%	-2.0%	-3.0%	-26.3%	+7.2%	+28.3%	+51.9%	+38.7%
10-Day Volatility	Sep 25, 26	26.37%	+1.7%	+148.1%	-4.3%	+22.5%	-3.9%	+26.4%	+22.2%
1-Month Volatility	Sep 25, 26	24.38%	-3.3%	+4.5%	-6.8%	+33.5%	+6.8%	+48.4%	+24.7%
1-Year Volatility	Sep 25, 26	29.45%	+0.2%	+0.8%	+4.0%	+9.6%	+12.9%	+25.7%	+47.4%
14-Day RSI	Sep 25, 26	40.16	+8.3%	-25.9%	+25.9%	-3.0%	-11.4%	-15.7%	-20.0%
Beta	Sep 25, 26	0.79	0.0%	-3.7%	-14.1%	+8.2%	+16.2%	-4.8%	+43.6%
ATR	Sep 25, 26	$1.78	-1.9%	-11.9%	-19.8%	+7.5%	-12.5%	+54.3%	+119.3%
Price	Sep 25, 26	$69.02	+0.8%	-6.1%	+1.5%	-26.9%	-35.8%	+4.6%	+40.7%
200-Day SMA	Sep 25, 26	$83.01	-0.2%	-3.5%	-12.0%	-18.6%	-11.8%	+40.2%	+94.2%
50-Day SMA	Sep 25, 26	$71.78	-0.0%	+1.4%	-10.3%	-28.8%	-34.3%	+7.7%	+50.1%
20-Day SMA	Sep 25, 26	$71.16	-0.4%	-2.8%	-1.3%	-24.9%	-34.8%	+7.1%	+43.4%

3-Month Volatility History

Date	Value	Change
Sep 25, 2026	24.73%	+8.0%
Dec 31, 2025	22.89%	+14.6%
Dec 31, 2024	19.98%	-27.9%
Dec 31, 2023	27.73%	-10.5%
Dec 31, 2022	31.00%	+21.0%
Dec 31, 2021	25.63%	+17.4%
Dec 31, 2020	21.83%	-38.5%
Dec 31, 2019	35.48%	+25.2%
Dec 31, 2018	28.33%	+84.6%
Dec 31, 2017	15.35%	-50.2%
Dec 31, 2016	30.84%	+31.2%

Date	Value	Change
Dec 31, 2015	23.50%	-12.1%
Dec 31, 2014	26.74%	-0.9%
Dec 31, 2013	26.97%	-11.8%
Dec 31, 2012	30.58%	-16.6%
Dec 31, 2011	36.66%	+65.4%
Dec 31, 2010	22.17%	-18.3%
Dec 31, 2009	27.13%	-74.8%
Dec 31, 2008	107.51%	+218.5%
Dec 31, 2007	33.75%	+27.5%
Dec 31, 2006	26.48%	+26.8%
Dec 31, 2005	20.88%	-

FAQ

What is the current 3-month volatility of STN?: As of today, STN 3-month volatility is 24.56%
What 3-month volatility category does STN fall into?: Based on its current 3-month historical volatility, STN falls into the low volatility category
What is STN 3-month volatility 1-year high?: STN 3-month volatility reached a 1-year high of 36.22% on May 8, 2026
What is STN 3-month volatility 1-year low?: STN 3-month volatility reached a 1-year low of 18.99% on September 29, 2025

1-Year

29.45%

September 25, 2026

Summary

Current Value: As of today, STN 1-year volatility is 29.45%, up +0.17% on September 25, 2026
Value Category: Based on its current 1-year historical volatility, STN falls into the moderate volatility category
1-Year High: STN 1-year volatility reached a 1-year high of 29.65% on September 9, 2026
1-Year Low: STN 1-year volatility reached a 1-year low of 25.27% on April 10, 2026

Performance

STN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 25, 26	29.45%	+0.2%	+0.8%	+4.0%	+9.6%	+12.9%	+25.7%	+47.4%
10-Day Volatility	Sep 25, 26	26.37%	+1.7%	+148.1%	-4.3%	+22.5%	-3.9%	+26.4%	+22.2%
1-Month Volatility	Sep 25, 26	24.38%	-3.3%	+4.5%	-6.8%	+33.5%	+6.8%	+48.4%	+24.7%
3-Month Volatility	Sep 25, 26	24.56%	-2.0%	-3.0%	-26.3%	+7.2%	+28.3%	+51.9%	+38.7%
1-Year Volatility	Sep 25, 26	29.45%	+0.2%	+0.8%	+4.0%	+9.6%	+12.9%	+25.7%	+47.4%
14-Day RSI	Sep 25, 26	40.16	+8.3%	-25.9%	+25.9%	-3.0%	-11.4%	-15.7%	-20.0%
Beta	Sep 25, 26	0.79	0.0%	-3.7%	-14.1%	+8.2%	+16.2%	-4.8%	+43.6%
ATR	Sep 25, 26	$1.78	-1.9%	-11.9%	-19.8%	+7.5%	-12.5%	+54.3%	+119.3%
Price	Sep 25, 26	$69.02	+0.8%	-6.1%	+1.5%	-26.9%	-35.8%	+4.6%	+40.7%
200-Day SMA	Sep 25, 26	$83.01	-0.2%	-3.5%	-12.0%	-18.6%	-11.8%	+40.2%	+94.2%
50-Day SMA	Sep 25, 26	$71.78	-0.0%	+1.4%	-10.3%	-28.8%	-34.3%	+7.7%	+50.1%
20-Day SMA	Sep 25, 26	$71.16	-0.4%	-2.8%	-1.3%	-24.9%	-34.8%	+7.1%	+43.4%

1-Year Volatility History

Date	Value	Change
Sep 25, 2026	29.41%	+9.5%
Dec 31, 2025	26.86%	+31.7%
Dec 31, 2024	20.39%	-9.1%
Dec 31, 2023	22.43%	-17.7%
Dec 31, 2022	27.25%	+29.8%
Dec 31, 2021	21.00%	-39.9%
Dec 31, 2020	34.92%	+54.3%
Dec 31, 2019	22.63%	-1.2%
Dec 31, 2018	22.90%	+9.1%
Dec 31, 2017	20.99%	-34.6%
Dec 31, 2016	32.10%	+23.5%

Date	Value	Change
Dec 31, 2015	26.00%	+18.1%
Dec 31, 2014	22.01%	-5.5%
Dec 31, 2013	23.29%	-27.7%
Dec 31, 2012	32.20%	-5.5%
Dec 31, 2011	34.07%	+25.5%
Dec 31, 2010	27.14%	-43.0%
Dec 31, 2009	47.60%	-29.7%
Dec 31, 2008	67.72%	+121.1%
Dec 31, 2007	30.63%	+6.5%
Dec 31, 2006	28.76%	+27.4%
Dec 31, 2005	22.57%	-

FAQ

What is the current 1-year volatility of STN?: As of today, STN 1-year volatility is 29.45%
What 1-year volatility category does STN fall into?: Based on its current 1-year historical volatility, STN falls into the moderate volatility category
What is STN 1-year volatility 1-year high?: STN 1-year volatility reached a 1-year high of 29.65% on September 9, 2026
What is STN 1-year volatility 1-year low?: STN 1-year volatility reached a 1-year low of 25.27% on April 10, 2026

Data Sources & References

STN Official Website www.stantec.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1131383/000113138326000007/0001131383-26-000007-index.htm
STN Profile on Yahoo Finance finance.yahoo.com/quote/STN
STN Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/stn