What is the current 10-day volatility of IESC?

As of today, IESC 10-day volatility is 49.99%

What 10-day volatility category does IESC fall into?

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

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

IESC 10-day volatility reached a 1-year high of 271.13% on September 4, 2026

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

IESC 10-day volatility reached a 1-year low of 27.60% on October 2, 2025

What is the current 1-month volatility of IESC?

As of today, IESC 1-month volatility is 64.05%

What 1-month volatility category does IESC fall into?

Based on its current 1-month historical volatility, IESC falls into the extreme volatility category

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

IESC 1-month volatility reached a 1-year high of 230.74% on August 24, 2026

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

IESC 1-month volatility reached a 1-year low of 37.65% on October 8, 2025

What is the current 3-month volatility of IESC?

As of today, IESC 3-month volatility is 141.03%

What 3-month volatility category does IESC fall into?

Based on its current 3-month historical volatility, IESC falls into the extreme volatility category

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

IESC 3-month volatility reached a 1-year high of 143.68% on September 11, 2026

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

IESC 3-month volatility reached a 1-year low of 44.01% on October 9, 2025

What is the current 1-year volatility of IESC?

As of today, IESC 1-year volatility is 92.77%

What 1-year volatility category does IESC fall into?

Based on its current 1-year historical volatility, IESC falls into the extreme volatility category

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

IESC 1-year volatility reached a 1-year high of 92.88% on September 18, 2026

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

IESC 1-year volatility reached a 1-year low of 59.64% on January 28, 2026

IESC Stock Volatility History & Chart Since 1998

10-Day

49.99%

September 25, 2026

Summary

Current Value: As of today, IESC 10-day volatility is 49.99%, down -25.00% on September 25, 2026
Value Category: Based on its current 10-day historical volatility, IESC falls into the high volatility category
1-Year High: IESC 10-day volatility reached a 1-year high of 271.13% on September 4, 2026
1-Year Low: IESC 10-day volatility reached a 1-year low of 27.60% on October 2, 2025

10-Day Volatility Chart

Performance

IESC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 25, 26	49.99%	-25.0%	-80.9%	-33.0%	-12.1%	+30.6%	+83.5%	+80.1%
1-Month Volatility	Sep 25, 26	64.05%	-1.7%	-71.6%	+1.4%	+28.4%	+55.2%	+128.4%	+86.0%
3-Month Volatility	Sep 25, 26	141.03%	+0.4%	+0.3%	+112.7%	+116.9%	+213.8%	+248.3%	+319.6%
1-Year Volatility	Sep 25, 26	92.77%	+0.1%	+1.3%	+45.9%	+37.8%	+40.5%	+127.2%	+133.8%
14-Day RSI	Sep 25, 26	35.16	+3.1%	+50.6%	-41.2%	-13.4%	-40.0%	-12.1%	-20.7%
Beta	Sep 25, 26	2.95	0.0%	-2.0%	+10.1%	+52.1%	+64.8%	+251.2%	+170.6%
ATR	Sep 25, 26	$25.67	-4.5%	-62.4%	-44.6%	+35.5%	+58.4%	+1213.0%	+1298.5%
Price	Sep 25, 26	$324.13	+1.1%	+3.5%	-57.7%	-16.7%	-14.7%	+390.7%	+622.2%
200-Day SMA	Sep 25, 26	$537.32	-0.1%	-1.5%	+10.1%	+67.5%	+107.4%	+985.1%	+988.7%
50-Day SMA	Sep 25, 26	$513.95	-1.1%	-23.5%	-22.7%	+26.8%	+46.9%	+670.8%	+958.1%
20-Day SMA	Sep 25, 26	$319.44	-0.1%	-53.2%	-55.5%	-24.8%	-13.2%	+351.2%	+604.0%

10-Day Volatility History

Date	Value	Change
Sep 25, 2026	49.99%	-12.1%
Dec 31, 2025	56.87%	+25.1%
Dec 31, 2024	45.45%	+103.1%
Dec 31, 2023	22.38%	-70.4%
Dec 31, 2022	75.56%	+147.7%
Dec 31, 2021	30.51%	+46.4%
Dec 31, 2020	20.84%	+49.5%
Dec 31, 2019	13.94%	-55.6%
Dec 31, 2018	31.43%	+19.1%
Dec 31, 2017	26.39%	-21.7%
Dec 31, 2016	33.71%	+7.7%
Dec 31, 2015	31.30%	+11.1%
Dec 31, 2014	28.18%	-56.1%
Dec 31, 2013	64.13%	-29.3%
Dec 31, 2012	90.71%	+9.3%

Date	Value	Change
Dec 31, 2011	83.02%	+121.3%
Dec 31, 2010	37.51%	-14.5%
Dec 31, 2009	43.85%	-65.6%
Dec 31, 2008	127.60%	+136.2%
Dec 31, 2007	54.03%	+6.9%
Dec 31, 2006	50.52%	-87.2%
Dec 31, 2005	393.84%	+551.7%
Dec 31, 2004	60.43%	+44.6%
Dec 31, 2003	41.80%	+16.8%
Dec 31, 2002	35.79%	-51.6%
Dec 31, 2001	74.02%	+21.9%
Dec 31, 2000	60.73%	-22.2%
Dec 31, 1999	78.08%	+219.2%
Dec 31, 1998	24.46%	-

FAQ

What is the current 10-day volatility of IESC?: As of today, IESC 10-day volatility is 49.99%
What 10-day volatility category does IESC fall into?: Based on its current 10-day historical volatility, IESC falls into the high volatility category
What is IESC 10-day volatility 1-year high?: IESC 10-day volatility reached a 1-year high of 271.13% on September 4, 2026
What is IESC 10-day volatility 1-year low?: IESC 10-day volatility reached a 1-year low of 27.60% on October 2, 2025

1-Month

64.05%

September 25, 2026

Summary

Current Value: As of today, IESC 1-month volatility is 64.05%, down -1.70% on September 25, 2026
Value Category: Based on its current 1-month historical volatility, IESC falls into the extreme volatility category
1-Year High: IESC 1-month volatility reached a 1-year high of 230.74% on August 24, 2026
1-Year Low: IESC 1-month volatility reached a 1-year low of 37.65% on October 8, 2025

Performance

IESC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 25, 26	64.05%	-1.7%	-71.6%	+1.4%	+28.4%	+55.2%	+128.4%	+86.0%
10-Day Volatility	Sep 25, 26	49.99%	-25.0%	-80.9%	-33.0%	-12.1%	+30.6%	+83.5%	+80.1%
3-Month Volatility	Sep 25, 26	141.03%	+0.4%	+0.3%	+112.7%	+116.9%	+213.8%	+248.3%	+319.6%
1-Year Volatility	Sep 25, 26	92.77%	+0.1%	+1.3%	+45.9%	+37.8%	+40.5%	+127.2%	+133.8%
14-Day RSI	Sep 25, 26	35.16	+3.1%	+50.6%	-41.2%	-13.4%	-40.0%	-12.1%	-20.7%
Beta	Sep 25, 26	2.95	0.0%	-2.0%	+10.1%	+52.1%	+64.8%	+251.2%	+170.6%
ATR	Sep 25, 26	$25.67	-4.5%	-62.4%	-44.6%	+35.5%	+58.4%	+1213.0%	+1298.5%
Price	Sep 25, 26	$324.13	+1.1%	+3.5%	-57.7%	-16.7%	-14.7%	+390.7%	+622.2%
200-Day SMA	Sep 25, 26	$537.32	-0.1%	-1.5%	+10.1%	+67.5%	+107.4%	+985.1%	+988.7%
50-Day SMA	Sep 25, 26	$513.95	-1.1%	-23.5%	-22.7%	+26.8%	+46.9%	+670.8%	+958.1%
20-Day SMA	Sep 25, 26	$319.44	-0.1%	-53.2%	-55.5%	-24.8%	-13.2%	+351.2%	+604.0%

1-Month Volatility History

Date	Value	Change
Sep 25, 2026	64.12%	+28.4%
Dec 31, 2025	49.92%	+4.1%
Dec 31, 2024	47.95%	+9.9%
Dec 31, 2023	43.62%	-31.8%
Dec 31, 2022	63.94%	+98.0%
Dec 31, 2021	32.29%	+3.8%
Dec 31, 2020	31.12%	-0.9%
Dec 31, 2019	31.39%	-15.6%
Dec 31, 2018	37.18%	-15.0%
Dec 31, 2017	43.72%	-8.5%
Dec 31, 2016	47.76%	+32.2%
Dec 31, 2015	36.12%	-33.3%
Dec 31, 2014	54.14%	+6.2%
Dec 31, 2013	50.99%	-43.5%
Dec 31, 2012	90.32%	+18.7%

Date	Value	Change
Dec 31, 2011	76.06%	+132.0%
Dec 31, 2010	32.78%	-42.3%
Dec 31, 2009	56.86%	-72.6%
Dec 31, 2008	207.49%	+150.1%
Dec 31, 2007	82.97%	+70.4%
Dec 31, 2006	48.69%	-84.3%
Dec 31, 2005	310.55%	+218.7%
Dec 31, 2004	97.43%	+158.6%
Dec 31, 2003	37.67%	+2.4%
Dec 31, 2002	36.80%	-56.4%
Dec 31, 2001	84.49%	+55.9%
Dec 31, 2000	54.19%	-19.5%
Dec 31, 1999	67.28%	+93.8%
Dec 31, 1998	34.71%	-

FAQ

What is the current 1-month volatility of IESC?: As of today, IESC 1-month volatility is 64.05%
What 1-month volatility category does IESC fall into?: Based on its current 1-month historical volatility, IESC falls into the extreme volatility category
What is IESC 1-month volatility 1-year high?: IESC 1-month volatility reached a 1-year high of 230.74% on August 24, 2026
What is IESC 1-month volatility 1-year low?: IESC 1-month volatility reached a 1-year low of 37.65% on October 8, 2025

3-Month

141.03%

September 25, 2026

Summary

Current Value: As of today, IESC 3-month volatility is 141.03%, up +0.36% on September 25, 2026
Value Category: Based on its current 3-month historical volatility, IESC falls into the extreme volatility category
1-Year High: IESC 3-month volatility reached a 1-year high of 143.68% on September 11, 2026
1-Year Low: IESC 3-month volatility reached a 1-year low of 44.01% on October 9, 2025

Performance

IESC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 25, 26	141.03%	+0.4%	+0.3%	+112.7%	+116.9%	+213.8%	+248.3%	+319.6%
10-Day Volatility	Sep 25, 26	49.99%	-25.0%	-80.9%	-33.0%	-12.1%	+30.6%	+83.5%	+80.1%
1-Month Volatility	Sep 25, 26	64.05%	-1.7%	-71.6%	+1.4%	+28.4%	+55.2%	+128.4%	+86.0%
1-Year Volatility	Sep 25, 26	92.77%	+0.1%	+1.3%	+45.9%	+37.8%	+40.5%	+127.2%	+133.8%
14-Day RSI	Sep 25, 26	35.16	+3.1%	+50.6%	-41.2%	-13.4%	-40.0%	-12.1%	-20.7%
Beta	Sep 25, 26	2.95	0.0%	-2.0%	+10.1%	+52.1%	+64.8%	+251.2%	+170.6%
ATR	Sep 25, 26	$25.67	-4.5%	-62.4%	-44.6%	+35.5%	+58.4%	+1213.0%	+1298.5%
Price	Sep 25, 26	$324.13	+1.1%	+3.5%	-57.7%	-16.7%	-14.7%	+390.7%	+622.2%
200-Day SMA	Sep 25, 26	$537.32	-0.1%	-1.5%	+10.1%	+67.5%	+107.4%	+985.1%	+988.7%
50-Day SMA	Sep 25, 26	$513.95	-1.1%	-23.5%	-22.7%	+26.8%	+46.9%	+670.8%	+958.1%
20-Day SMA	Sep 25, 26	$319.44	-0.1%	-53.2%	-55.5%	-24.8%	-13.2%	+351.2%	+604.0%

3-Month Volatility History

Date	Value	Change
Sep 25, 2026	140.41%	+117.5%
Dec 31, 2025	64.57%	+9.4%
Dec 31, 2024	59.00%	+62.4%
Dec 31, 2023	36.34%	-23.8%
Dec 31, 2022	47.71%	+55.8%
Dec 31, 2021	30.62%	-21.0%
Dec 31, 2020	38.74%	+48.3%
Dec 31, 2019	26.12%	-32.0%
Dec 31, 2018	38.44%	+10.5%
Dec 31, 2017	34.79%	-20.5%
Dec 31, 2016	43.76%	+6.3%
Dec 31, 2015	41.16%	+4.1%
Dec 31, 2014	39.53%	-43.0%
Dec 31, 2013	69.30%	-8.1%
Dec 31, 2012	75.37%	+16.2%

Date	Value	Change
Dec 31, 2011	64.85%	+41.3%
Dec 31, 2010	45.90%	-6.3%
Dec 31, 2009	48.98%	-73.4%
Dec 31, 2008	184.10%	+195.6%
Dec 31, 2007	62.27%	+72.1%
Dec 31, 2006	36.18%	-85.5%
Dec 31, 2005	249.26%	+95.6%
Dec 31, 2004	127.45%	+285.2%
Dec 31, 2003	33.09%	-53.3%
Dec 31, 2002	70.80%	-32.9%
Dec 31, 2001	105.56%	+114.4%
Dec 31, 2000	49.24%	-28.4%
Dec 31, 1999	68.81%	+62.8%
Dec 31, 1998	42.27%	-

FAQ

What is the current 3-month volatility of IESC?: As of today, IESC 3-month volatility is 141.03%
What 3-month volatility category does IESC fall into?: Based on its current 3-month historical volatility, IESC falls into the extreme volatility category
What is IESC 3-month volatility 1-year high?: IESC 3-month volatility reached a 1-year high of 143.68% on September 11, 2026
What is IESC 3-month volatility 1-year low?: IESC 3-month volatility reached a 1-year low of 44.01% on October 9, 2025

1-Year

92.77%

September 25, 2026

Summary

Current Value: As of today, IESC 1-year volatility is 92.77%, up +0.14% on September 25, 2026
Value Category: Based on its current 1-year historical volatility, IESC falls into the extreme volatility category
1-Year High: IESC 1-year volatility reached a 1-year high of 92.88% on September 18, 2026
1-Year Low: IESC 1-year volatility reached a 1-year low of 59.64% on January 28, 2026

Performance

IESC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 25, 26	92.77%	+0.1%	+1.3%	+45.9%	+37.8%	+40.5%	+127.2%	+133.8%
10-Day Volatility	Sep 25, 26	49.99%	-25.0%	-80.9%	-33.0%	-12.1%	+30.6%	+83.5%	+80.1%
1-Month Volatility	Sep 25, 26	64.05%	-1.7%	-71.6%	+1.4%	+28.4%	+55.2%	+128.4%	+86.0%
3-Month Volatility	Sep 25, 26	141.03%	+0.4%	+0.3%	+112.7%	+116.9%	+213.8%	+248.3%	+319.6%
1-Year Volatility	Sep 25, 26	92.77%	+0.1%	+1.3%	+45.9%	+37.8%	+40.5%	+127.2%	+133.8%
14-Day RSI	Sep 25, 26	35.16	+3.1%	+50.6%	-41.2%	-13.4%	-40.0%	-12.1%	-20.7%
Beta	Sep 25, 26	2.95	0.0%	-2.0%	+10.1%	+52.1%	+64.8%	+251.2%	+170.6%
ATR	Sep 25, 26	$25.67	-4.5%	-62.4%	-44.6%	+35.5%	+58.4%	+1213.0%	+1298.5%
Price	Sep 25, 26	$324.13	+1.1%	+3.5%	-57.7%	-16.7%	-14.7%	+390.7%	+622.2%
200-Day SMA	Sep 25, 26	$537.32	-0.1%	-1.5%	+10.1%	+67.5%	+107.4%	+985.1%	+988.7%
50-Day SMA	Sep 25, 26	$513.95	-1.1%	-23.5%	-22.7%	+26.8%	+46.9%	+670.8%	+958.1%
20-Day SMA	Sep 25, 26	$319.44	-0.1%	-53.2%	-55.5%	-24.8%	-13.2%	+351.2%	+604.0%

1-Year Volatility History

Date	Value	Change
Sep 25, 2026	92.64%	+37.6%
Dec 31, 2025	67.33%	+12.3%
Dec 31, 2024	59.93%	+60.2%
Dec 31, 2023	37.41%	-20.0%
Dec 31, 2022	46.78%	+24.9%
Dec 31, 2021	37.46%	-33.1%
Dec 31, 2020	56.03%	+114.8%
Dec 31, 2019	26.09%	-5.1%
Dec 31, 2018	27.49%	-31.9%
Dec 31, 2017	40.37%	-25.0%
Dec 31, 2016	53.86%	+32.0%
Dec 31, 2015	40.79%	-13.0%
Dec 31, 2014	46.89%	-31.8%
Dec 31, 2013	68.78%	-22.3%
Dec 31, 2012	88.56%	+66.9%

Date	Value	Change
Dec 31, 2011	53.05%	-14.2%
Dec 31, 2010	61.82%	-35.0%
Dec 31, 2009	95.07%	-12.9%
Dec 31, 2008	109.12%	+103.3%
Dec 31, 2007	53.68%	-6.3%
Dec 31, 2006	57.27%	-59.3%
Dec 31, 2005	140.54%	+62.9%
Dec 31, 2004	86.30%	+104.3%
Dec 31, 2003	42.24%	-40.3%
Dec 31, 2002	70.71%	-9.1%
Dec 31, 2001	77.80%	-1.7%
Dec 31, 2000	79.14%	+33.4%
Dec 31, 1999	59.34%	+18.8%
Dec 31, 1998	49.95%	-

FAQ

What is the current 1-year volatility of IESC?: As of today, IESC 1-year volatility is 92.77%
What 1-year volatility category does IESC fall into?: Based on its current 1-year historical volatility, IESC falls into the extreme volatility category
What is IESC 1-year volatility 1-year high?: IESC 1-year volatility reached a 1-year high of 92.88% on September 18, 2026
What is IESC 1-year volatility 1-year low?: IESC 1-year volatility reached a 1-year low of 59.64% on January 28, 2026

Data Sources & References

IESC Official Website www.ies-co.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1048268/000104826825000174/0001048268-25-000174-index.htm
IESC Profile on Yahoo Finance finance.yahoo.com/quote/IESC
IESC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/iesc