What is the current 10-day volatility of DY?

As of today, DY 10-day volatility is 41.78%

What 10-day volatility category does DY fall into?

Based on its current 10-day historical volatility, DY falls into the high volatility category

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

DY 10-day volatility reached a 1-year high of 141.75% on June 9, 2026

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

DY 10-day volatility reached a 1-year low of 15.55% on December 30, 2025

What is the current 1-month volatility of DY?

As of today, DY 1-month volatility is 43.52%

What 1-month volatility category does DY fall into?

Based on its current 1-month historical volatility, DY falls into the high volatility category

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

DY 1-month volatility reached a 1-year high of 104.65% on June 1, 2026

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

DY 1-month volatility reached a 1-year low of 25.43% on January 12, 2026

What is the current 3-month volatility of DY?

As of today, DY 3-month volatility is 58.33%

What 3-month volatility category does DY fall into?

Based on its current 3-month historical volatility, DY falls into the high volatility category

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

DY 3-month volatility reached a 1-year high of 77.72% on August 26, 2026

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

DY 3-month volatility reached a 1-year low of 26.76% on September 25, 2025

What is the current 1-year volatility of DY?

As of today, DY 1-year volatility is 53.28%

What 1-year volatility category does DY fall into?

Based on its current 1-year historical volatility, DY falls into the high volatility category

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

DY 1-year volatility reached a 1-year high of 53.55% on September 16, 2026

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

DY 1-year volatility reached a 1-year low of 36.84% on May 21, 2026

DY Stock Volatility History & Chart Since 1984

10-Day

41.78%

September 25, 2026

Summary

Current Value: As of today, DY 10-day volatility is 41.78%, down -14.72% on September 25, 2026
Value Category: Based on its current 10-day historical volatility, DY falls into the high volatility category
1-Year High: DY 10-day volatility reached a 1-year high of 141.75% on June 9, 2026
1-Year Low: DY 10-day volatility reached a 1-year low of 15.55% on December 30, 2025

10-Day Volatility Chart

Performance

DY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 25, 26	41.78%	-14.7%	-21.0%	+22.9%	+158.4%	+17.5%	+83.7%	+11.2%
1-Month Volatility	Sep 25, 26	43.52%	-27.2%	-35.3%	-54.7%	+65.5%	+39.8%	+92.7%	+13.8%
3-Month Volatility	Sep 25, 26	58.33%	+0.3%	-21.7%	-14.0%	+62.7%	+118.0%	+75.4%	+49.0%
1-Year Volatility	Sep 25, 26	53.28%	-0.2%	+3.8%	+15.9%	+34.3%	+26.4%	+27.4%	-2.4%
14-Day RSI	Sep 25, 26	29.65	-0.5%	-6.8%	-51.6%	-38.9%	-50.4%	-5.1%	-32.2%
Beta	Sep 25, 26	1.67	0.0%	-3.5%	+7.0%	+59.0%	+72.2%	+70.4%	+3.7%
ATR	Sep 25, 26	$13.85	-3.9%	-32.9%	-43.0%	+39.0%	+62.9%	+401.4%	+394.9%
Price	Sep 25, 26	$271.52	-0.2%	-22.8%	-45.0%	-19.6%	-1.2%	+200.4%	+299.7%
200-Day SMA	Sep 25, 26	$390.54	-0.1%	-0.9%	+7.0%	+53.9%	+88.3%	+303.5%	+383.9%
50-Day SMA	Sep 25, 26	$356.79	-0.8%	-16.6%	-19.8%	+10.8%	+35.5%	+262.6%	+406.3%
20-Day SMA	Sep 25, 26	$289.72	-0.6%	-28.1%	-39.2%	-16.8%	+11.2%	+198.6%	+309.3%

10-Day Volatility History

Date	Value	Change
Sep 25, 2026	41.78%	+158.4%
Dec 31, 2025	16.17%	-51.0%
Dec 31, 2024	33.03%	+42.9%
Dec 31, 2023	23.11%	+11.1%
Dec 31, 2022	20.80%	-9.8%
Dec 31, 2021	23.06%	-42.2%
Dec 31, 2020	39.87%	+57.2%
Dec 31, 2019	25.36%	-58.3%
Dec 31, 2018	60.77%	+94.7%
Dec 31, 2017	31.22%	+28.1%
Dec 31, 2016	24.38%	-30.4%
Dec 31, 2015	35.04%	+161.1%
Dec 31, 2014	13.42%	-47.9%
Dec 31, 2013	25.77%	+17.8%
Dec 31, 2012	21.88%	-64.0%
Dec 31, 2011	60.81%	+84.6%
Dec 31, 2010	32.94%	-31.5%
Dec 31, 2009	48.08%	-26.3%
Dec 31, 2008	65.26%	+65.3%
Dec 31, 2007	39.47%	+155.5%
Dec 31, 2006	15.45%	-68.7%
Dec 31, 2005	49.43%	+177.2%

Date	Value	Change
Dec 31, 2004	17.83%	-9.2%
Dec 31, 2003	19.64%	+0.1%
Dec 31, 2002	19.63%	-45.0%
Dec 31, 2001	35.68%	-50.3%
Dec 31, 2000	71.81%	+69.6%
Dec 31, 1999	42.35%	+15.9%
Dec 31, 1998	36.54%	-35.2%
Dec 31, 1997	56.43%	+26.2%
Dec 31, 1996	44.70%	-34.6%
Dec 31, 1995	68.32%	+51.7%
Dec 31, 1994	45.03%	-45.5%
Dec 31, 1993	82.67%	-12.6%
Dec 31, 1992	94.64%	+69.1%
Dec 31, 1991	55.98%	+111.4%
Dec 31, 1990	26.48%	-24.0%
Dec 31, 1989	34.82%	+20.1%
Dec 31, 1988	28.99%	-63.5%
Dec 31, 1987	79.42%	+25.1%
Dec 31, 1986	63.50%	-23.3%
Dec 31, 1985	82.82%	>+9,900.0%
Dec 31, 1984	0.00%	-

FAQ

What is the current 10-day volatility of DY?: As of today, DY 10-day volatility is 41.78%
What 10-day volatility category does DY fall into?: Based on its current 10-day historical volatility, DY falls into the high volatility category
What is DY 10-day volatility 1-year high?: DY 10-day volatility reached a 1-year high of 141.75% on June 9, 2026
What is DY 10-day volatility 1-year low?: DY 10-day volatility reached a 1-year low of 15.55% on December 30, 2025

1-Month

43.52%

September 25, 2026

Summary

Current Value: As of today, DY 1-month volatility is 43.52%, down -27.24% on September 25, 2026
Value Category: Based on its current 1-month historical volatility, DY falls into the high volatility category
1-Year High: DY 1-month volatility reached a 1-year high of 104.65% on June 1, 2026
1-Year Low: DY 1-month volatility reached a 1-year low of 25.43% on January 12, 2026

Performance

DY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 25, 26	43.52%	-27.2%	-35.3%	-54.7%	+65.5%	+39.8%	+92.7%	+13.8%
10-Day Volatility	Sep 25, 26	41.78%	-14.7%	-21.0%	+22.9%	+158.4%	+17.5%	+83.7%	+11.2%
3-Month Volatility	Sep 25, 26	58.33%	+0.3%	-21.7%	-14.0%	+62.7%	+118.0%	+75.4%	+49.0%
1-Year Volatility	Sep 25, 26	53.28%	-0.2%	+3.8%	+15.9%	+34.3%	+26.4%	+27.4%	-2.4%
14-Day RSI	Sep 25, 26	29.65	-0.5%	-6.8%	-51.6%	-38.9%	-50.4%	-5.1%	-32.2%
Beta	Sep 25, 26	1.67	0.0%	-3.5%	+7.0%	+59.0%	+72.2%	+70.4%	+3.7%
ATR	Sep 25, 26	$13.85	-3.9%	-32.9%	-43.0%	+39.0%	+62.9%	+401.4%	+394.9%
Price	Sep 25, 26	$271.52	-0.2%	-22.8%	-45.0%	-19.6%	-1.2%	+200.4%	+299.7%
200-Day SMA	Sep 25, 26	$390.54	-0.1%	-0.9%	+7.0%	+53.9%	+88.3%	+303.5%	+383.9%
50-Day SMA	Sep 25, 26	$356.79	-0.8%	-16.6%	-19.8%	+10.8%	+35.5%	+262.6%	+406.3%
20-Day SMA	Sep 25, 26	$289.72	-0.6%	-28.1%	-39.2%	-16.8%	+11.2%	+198.6%	+309.3%

1-Month Volatility History

Date	Value	Change
Sep 25, 2026	55.71%	+101.7%
Dec 31, 2025	27.62%	-18.6%
Dec 31, 2024	33.94%	+60.0%
Dec 31, 2023	21.21%	-35.9%
Dec 31, 2022	33.07%	-3.2%
Dec 31, 2021	34.17%	-22.5%
Dec 31, 2020	44.09%	+7.6%
Dec 31, 2019	40.96%	-32.0%
Dec 31, 2018	60.20%	+113.0%
Dec 31, 2017	28.26%	-1.4%
Dec 31, 2016	28.67%	-23.0%
Dec 31, 2015	37.24%	-4.2%
Dec 31, 2014	38.88%	+50.4%
Dec 31, 2013	25.85%	+10.9%
Dec 31, 2012	23.30%	-49.4%
Dec 31, 2011	46.09%	+62.7%
Dec 31, 2010	28.32%	-40.8%
Dec 31, 2009	47.83%	-49.1%
Dec 31, 2008	93.92%	+101.8%
Dec 31, 2007	46.53%	+192.8%
Dec 31, 2006	15.89%	-55.7%
Dec 31, 2005	35.87%	+53.0%

Date	Value	Change
Dec 31, 2004	23.44%	+10.1%
Dec 31, 2003	21.29%	-52.2%
Dec 31, 2002	44.53%	+10.1%
Dec 31, 2001	40.43%	-43.3%
Dec 31, 2000	71.31%	+28.4%
Dec 31, 1999	55.54%	+44.8%
Dec 31, 1998	38.35%	-17.6%
Dec 31, 1997	46.54%	+15.5%
Dec 31, 1996	40.29%	-21.7%
Dec 31, 1995	51.44%	-1.4%
Dec 31, 1994	52.17%	-36.0%
Dec 31, 1993	81.53%	-22.9%
Dec 31, 1992	105.79%	+107.5%
Dec 31, 1991	50.99%	+51.5%
Dec 31, 1990	33.66%	-18.5%
Dec 31, 1989	41.31%	+29.3%
Dec 31, 1988	31.95%	-60.5%
Dec 31, 1987	80.84%	+58.8%
Dec 31, 1986	50.90%	-25.7%
Dec 31, 1985	68.47%	+425.9%
Dec 31, 1984	13.02%	-

FAQ

What is the current 1-month volatility of DY?: As of today, DY 1-month volatility is 43.52%
What 1-month volatility category does DY fall into?: Based on its current 1-month historical volatility, DY falls into the high volatility category
What is DY 1-month volatility 1-year high?: DY 1-month volatility reached a 1-year high of 104.65% on June 1, 2026
What is DY 1-month volatility 1-year low?: DY 1-month volatility reached a 1-year low of 25.43% on January 12, 2026

3-Month

58.33%

September 25, 2026

Summary

Current Value: As of today, DY 3-month volatility is 58.33%, up +0.31% on September 25, 2026
Value Category: Based on its current 3-month historical volatility, DY falls into the high volatility category
1-Year High: DY 3-month volatility reached a 1-year high of 77.72% on August 26, 2026
1-Year Low: DY 3-month volatility reached a 1-year low of 26.76% on September 25, 2025

Performance

DY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 25, 26	58.33%	+0.3%	-21.7%	-14.0%	+62.7%	+118.0%	+75.4%	+49.0%
10-Day Volatility	Sep 25, 26	41.78%	-14.7%	-21.0%	+22.9%	+158.4%	+17.5%	+83.7%	+11.2%
1-Month Volatility	Sep 25, 26	43.52%	-27.2%	-35.3%	-54.7%	+65.5%	+39.8%	+92.7%	+13.8%
1-Year Volatility	Sep 25, 26	53.28%	-0.2%	+3.8%	+15.9%	+34.3%	+26.4%	+27.4%	-2.4%
14-Day RSI	Sep 25, 26	29.65	-0.5%	-6.8%	-51.6%	-38.9%	-50.4%	-5.1%	-32.2%
Beta	Sep 25, 26	1.67	0.0%	-3.5%	+7.0%	+59.0%	+72.2%	+70.4%	+3.7%
ATR	Sep 25, 26	$13.85	-3.9%	-32.9%	-43.0%	+39.0%	+62.9%	+401.4%	+394.9%
Price	Sep 25, 26	$271.52	-0.2%	-22.8%	-45.0%	-19.6%	-1.2%	+200.4%	+299.7%
200-Day SMA	Sep 25, 26	$390.54	-0.1%	-0.9%	+7.0%	+53.9%	+88.3%	+303.5%	+383.9%
50-Day SMA	Sep 25, 26	$356.79	-0.8%	-16.6%	-19.8%	+10.8%	+35.5%	+262.6%	+406.3%
20-Day SMA	Sep 25, 26	$289.72	-0.6%	-28.1%	-39.2%	-16.8%	+11.2%	+198.6%	+309.3%

3-Month Volatility History

Date	Value	Change
Sep 25, 2026	57.87%	+62.7%
Dec 31, 2025	35.57%	-22.2%
Dec 31, 2024	45.70%	+2.5%
Dec 31, 2023	44.58%	-17.7%
Dec 31, 2022	54.14%	+1.3%
Dec 31, 2021	53.47%	-3.4%
Dec 31, 2020	55.35%	+22.6%
Dec 31, 2019	45.15%	-12.8%
Dec 31, 2018	51.78%	+68.7%
Dec 31, 2017	30.70%	-47.9%
Dec 31, 2016	58.95%	+45.7%
Dec 31, 2015	40.46%	-20.1%
Dec 31, 2014	50.61%	+60.7%
Dec 31, 2013	31.49%	-19.8%
Dec 31, 2012	39.27%	-30.6%
Dec 31, 2011	56.61%	+45.4%
Dec 31, 2010	38.93%	-30.5%
Dec 31, 2009	56.04%	-61.1%
Dec 31, 2008	144.00%	+227.7%
Dec 31, 2007	43.94%	+35.2%
Dec 31, 2006	32.50%	+9.5%
Dec 31, 2005	29.68%	-31.4%

Date	Value	Change
Dec 31, 2004	43.24%	+13.3%
Dec 31, 2003	38.16%	-43.0%
Dec 31, 2002	66.89%	+33.5%
Dec 31, 2001	50.10%	-28.1%
Dec 31, 2000	69.64%	+19.8%
Dec 31, 1999	58.11%	+8.5%
Dec 31, 1998	53.54%	-6.5%
Dec 31, 1997	57.29%	+16.9%
Dec 31, 1996	48.99%	-10.6%
Dec 31, 1995	54.78%	-19.5%
Dec 31, 1994	68.02%	-22.5%
Dec 31, 1993	87.75%	+7.4%
Dec 31, 1992	81.73%	+73.2%
Dec 31, 1991	47.18%	-35.3%
Dec 31, 1990	72.94%	+46.8%
Dec 31, 1989	49.69%	+43.9%
Dec 31, 1988	34.52%	-70.5%
Dec 31, 1987	116.97%	+141.3%
Dec 31, 1986	48.47%	-20.1%
Dec 31, 1985	60.69%	+564.0%
Dec 31, 1984	9.14%	-

FAQ

What is the current 3-month volatility of DY?: As of today, DY 3-month volatility is 58.33%
What 3-month volatility category does DY fall into?: Based on its current 3-month historical volatility, DY falls into the high volatility category
What is DY 3-month volatility 1-year high?: DY 3-month volatility reached a 1-year high of 77.72% on August 26, 2026
What is DY 3-month volatility 1-year low?: DY 3-month volatility reached a 1-year low of 26.76% on September 25, 2025

1-Year

53.28%

September 25, 2026

Summary

Current Value: As of today, DY 1-year volatility is 53.28%, down -0.17% on September 25, 2026
Value Category: Based on its current 1-year historical volatility, DY falls into the high volatility category
1-Year High: DY 1-year volatility reached a 1-year high of 53.55% on September 16, 2026
1-Year Low: DY 1-year volatility reached a 1-year low of 36.84% on May 21, 2026

Performance

DY Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 25, 26	53.28%	-0.2%	+3.8%	+15.9%	+34.3%	+26.4%	+27.4%	-2.4%
10-Day Volatility	Sep 25, 26	41.78%	-14.7%	-21.0%	+22.9%	+158.4%	+17.5%	+83.7%	+11.2%
1-Month Volatility	Sep 25, 26	43.52%	-27.2%	-35.3%	-54.7%	+65.5%	+39.8%	+92.7%	+13.8%
3-Month Volatility	Sep 25, 26	58.33%	+0.3%	-21.7%	-14.0%	+62.7%	+118.0%	+75.4%	+49.0%
1-Year Volatility	Sep 25, 26	53.28%	-0.2%	+3.8%	+15.9%	+34.3%	+26.4%	+27.4%	-2.4%
14-Day RSI	Sep 25, 26	29.65	-0.5%	-6.8%	-51.6%	-38.9%	-50.4%	-5.1%	-32.2%
Beta	Sep 25, 26	1.67	0.0%	-3.5%	+7.0%	+59.0%	+72.2%	+70.4%	+3.7%
ATR	Sep 25, 26	$13.85	-3.9%	-32.9%	-43.0%	+39.0%	+62.9%	+401.4%	+394.9%
Price	Sep 25, 26	$271.52	-0.2%	-22.8%	-45.0%	-19.6%	-1.2%	+200.4%	+299.7%
200-Day SMA	Sep 25, 26	$390.54	-0.1%	-0.9%	+7.0%	+53.9%	+88.3%	+303.5%	+383.9%
50-Day SMA	Sep 25, 26	$356.79	-0.8%	-16.6%	-19.8%	+10.8%	+35.5%	+262.6%	+406.3%
20-Day SMA	Sep 25, 26	$289.72	-0.6%	-28.1%	-39.2%	-16.8%	+11.2%	+198.6%	+309.3%

1-Year Volatility History

Date	Value	Change
Sep 25, 2026	53.37%	+34.6%
Dec 31, 2025	39.66%	+9.3%
Dec 31, 2024	36.30%	-6.3%
Dec 31, 2023	38.75%	-19.3%
Dec 31, 2022	47.99%	-11.2%
Dec 31, 2021	54.07%	-41.0%
Dec 31, 2020	91.68%	+58.9%
Dec 31, 2019	57.69%	+20.7%
Dec 31, 2018	47.81%	+23.5%
Dec 31, 2017	38.70%	-20.2%
Dec 31, 2016	48.47%	+1.6%
Dec 31, 2015	47.72%	+31.6%
Dec 31, 2014	36.25%	+21.9%
Dec 31, 2013	29.73%	-25.0%
Dec 31, 2012	39.65%	-26.7%
Dec 31, 2011	54.12%	+16.4%
Dec 31, 2010	46.48%	-39.4%
Dec 31, 2009	76.65%	-15.4%
Dec 31, 2008	90.59%	+120.2%
Dec 31, 2007	41.14%	+19.7%
Dec 31, 2006	34.36%	-18.2%
Dec 31, 2005	41.99%	+6.5%

Date	Value	Change
Dec 31, 2004	39.41%	-18.2%
Dec 31, 2003	48.16%	-13.7%
Dec 31, 2002	55.78%	-24.0%
Dec 31, 2001	73.36%	+5.6%
Dec 31, 2000	69.49%	+17.1%
Dec 31, 1999	59.33%	+33.1%
Dec 31, 1998	44.57%	-6.9%
Dec 31, 1997	47.89%	-16.0%
Dec 31, 1996	56.99%	-12.3%
Dec 31, 1995	64.97%	-5.2%
Dec 31, 1994	68.56%	-1.4%
Dec 31, 1993	69.54%	-17.7%
Dec 31, 1992	84.45%	+59.5%
Dec 31, 1991	52.96%	-0.9%
Dec 31, 1990	53.43%	+15.3%
Dec 31, 1989	46.33%	+17.8%
Dec 31, 1988	39.34%	-43.8%
Dec 31, 1987	70.02%	+44.1%
Dec 31, 1986	48.58%	+7.3%
Dec 31, 1985	45.27%	+304.6%
Dec 31, 1984	11.19%	-

FAQ

What is the current 1-year volatility of DY?: As of today, DY 1-year volatility is 53.28%
What 1-year volatility category does DY fall into?: Based on its current 1-year historical volatility, DY falls into the high volatility category
What is DY 1-year volatility 1-year high?: DY 1-year volatility reached a 1-year high of 53.55% on September 16, 2026
What is DY 1-year volatility 1-year low?: DY 1-year volatility reached a 1-year low of 36.84% on May 21, 2026

Data Sources & References

DY Official Website www.dycomind.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/67215/000006721526000008/0000067215-26-000008-index.htm
DY Profile on Yahoo Finance finance.yahoo.com/quote/DY
DY Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/dy