What is the current 10-day volatility of GNRC?

As of today, GNRC 10-day volatility is 104.47%

What 10-day volatility category does GNRC fall into?

Based on its current 10-day historical volatility, GNRC falls into the extreme volatility category

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

GNRC 10-day volatility reached a 1-year high of 104.47% on September 23, 2026

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

GNRC 10-day volatility reached a 1-year low of 20.69% on May 13, 2026

What is the current 1-month volatility of GNRC?

As of today, GNRC 1-month volatility is 80.01%

What 1-month volatility category does GNRC fall into?

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

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

GNRC 1-month volatility reached a 1-year high of 81.45% on July 7, 2026

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

GNRC 1-month volatility reached a 1-year low of 34.45% on January 20, 2026

What is the current 3-month volatility of GNRC?

As of today, GNRC 3-month volatility is 62.24%

What 3-month volatility category does GNRC fall into?

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

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

GNRC 3-month volatility reached a 1-year high of 67.72% on July 7, 2026

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

GNRC 3-month volatility reached a 1-year low of 41.20% on October 31, 2025

What is the current 1-year volatility of GNRC?

As of today, GNRC 1-year volatility is 57.32%

What 1-year volatility category does GNRC fall into?

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

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

GNRC 1-year volatility reached a 1-year high of 58.10% on September 18, 2026

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

GNRC 1-year volatility reached a 1-year low of 42.74% on October 13, 2025

GNRC Stock Volatility History & Chart Since 2010

10-Day

104.47%

September 23, 2026

Summary

Current Value: As of today, GNRC 10-day volatility is 104.47%, up +1.61% on September 23, 2026
Value Category: Based on its current 10-day historical volatility, GNRC falls into the extreme volatility category
1-Year High: GNRC 10-day volatility reached a 1-year high of 104.47% on September 23, 2026
1-Year Low: GNRC 10-day volatility reached a 1-year low of 20.69% on May 13, 2026

10-Day Volatility Chart

Performance

GNRC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 23, 26	104.47%	+1.6%	+149.5%	+25.2%	+142.9%	+85.7%	+562.5%	+171.3%
1-Month Volatility	Sep 23, 26	80.01%	+0.6%	+70.3%	+19.8%	+81.2%	+89.9%	+253.1%	+150.5%
3-Month Volatility	Sep 23, 26	62.24%	-2.0%	+8.0%	+0.3%	+29.5%	+17.5%	-1.7%	+103.2%
1-Year Volatility	Sep 23, 26	57.32%	-1.3%	+5.8%	+4.8%	+22.3%	+30.4%	-11.4%	+31.9%
14-Day RSI	Sep 23, 26	51.98	-7.0%	+29.3%	-8.8%	+52.8%	+45.9%	+68.1%	-5.3%
Beta	Sep 23, 26	2.08	0.0%	+3.5%	+10.1%	+60.0%	+76.3%	+7.2%	+79.3%
ATR	Sep 23, 26	$11.31	-2.5%	+13.3%	-26.0%	+106.5%	+82.4%	+192.8%	-20.6%
Price	Sep 24, 26	$198.16	-0.6%	-2.6%	-30.3%	+45.3%	+18.4%	+85.6%	-55.4%
200-Day SMA	Sep 23, 26	$210.79	+0.1%	+1.9%	+6.9%	+38.6%	+42.1%	+81.8%	-38.4%
50-Day SMA	Sep 23, 26	$202.27	-0.3%	-12.9%	-20.8%	+28.8%	+11.7%	+65.5%	-52.8%
20-Day SMA	Sep 23, 26	$189.95	-0.1%	-9.1%	-30.2%	+26.1%	+4.6%	+65.7%	-57.0%

10-Day Volatility History

Date	Value	Change
Sep 24, 2026	104.47%	+143.0%
Dec 31, 2025	43.00%	+83.3%
Dec 31, 2024	23.46%	-16.4%
Dec 31, 2023	28.06%	-38.9%
Dec 31, 2022	45.94%	+92.3%
Dec 31, 2021	23.89%	-51.4%
Dec 31, 2020	49.14%	+520.5%
Dec 31, 2019	7.92%	-83.3%
Dec 31, 2018	47.31%	+233.9%

Date	Value	Change
Dec 31, 2017	14.17%	-25.5%
Dec 31, 2016	19.02%	-45.9%
Dec 31, 2015	35.16%	+33.0%
Dec 31, 2014	26.43%	+23.4%
Dec 31, 2013	21.41%	-24.3%
Dec 31, 2012	28.29%	-1.1%
Dec 31, 2011	28.60%	+119.3%
Dec 31, 2010	13.04%	-

FAQ

What is the current 10-day volatility of GNRC?: As of today, GNRC 10-day volatility is 104.47%
What 10-day volatility category does GNRC fall into?: Based on its current 10-day historical volatility, GNRC falls into the extreme volatility category
What is GNRC 10-day volatility 1-year high?: GNRC 10-day volatility reached a 1-year high of 104.47% on September 23, 2026
What is GNRC 10-day volatility 1-year low?: GNRC 10-day volatility reached a 1-year low of 20.69% on May 13, 2026

1-Month

80.01%

September 23, 2026

Summary

Current Value: As of today, GNRC 1-month volatility is 80.01%, up +0.63% on September 23, 2026
Value Category: Based on its current 1-month historical volatility, GNRC falls into the extreme volatility category
1-Year High: GNRC 1-month volatility reached a 1-year high of 81.45% on July 7, 2026
1-Year Low: GNRC 1-month volatility reached a 1-year low of 34.45% on January 20, 2026

Performance

GNRC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 23, 26	80.01%	+0.6%	+70.3%	+19.8%	+81.2%	+89.9%	+253.1%	+150.5%
10-Day Volatility	Sep 23, 26	104.47%	+1.6%	+149.5%	+25.2%	+142.9%	+85.7%	+562.5%	+171.3%
3-Month Volatility	Sep 23, 26	62.24%	-2.0%	+8.0%	+0.3%	+29.5%	+17.5%	-1.7%	+103.2%
1-Year Volatility	Sep 23, 26	57.32%	-1.3%	+5.8%	+4.8%	+22.3%	+30.4%	-11.4%	+31.9%
14-Day RSI	Sep 23, 26	51.98	-7.0%	+29.3%	-8.8%	+52.8%	+45.9%	+68.1%	-5.3%
Beta	Sep 23, 26	2.08	0.0%	+3.5%	+10.1%	+60.0%	+76.3%	+7.2%	+79.3%
ATR	Sep 23, 26	$11.31	-2.5%	+13.3%	-26.0%	+106.5%	+82.4%	+192.8%	-20.6%
Price	Sep 24, 26	$198.16	-0.6%	-2.6%	-30.3%	+45.3%	+18.4%	+85.6%	-55.4%
200-Day SMA	Sep 23, 26	$210.79	+0.1%	+1.9%	+6.9%	+38.6%	+42.1%	+81.8%	-38.4%
50-Day SMA	Sep 23, 26	$202.27	-0.3%	-12.9%	-20.8%	+28.8%	+11.7%	+65.5%	-52.8%
20-Day SMA	Sep 23, 26	$189.95	-0.1%	-9.1%	-30.2%	+26.1%	+4.6%	+65.7%	-57.0%

1-Month Volatility History

Date	Value	Change
Sep 24, 2026	80.01%	+84.8%
Dec 31, 2025	43.29%	+88.8%
Dec 31, 2024	22.93%	-21.3%
Dec 31, 2023	29.13%	-45.6%
Dec 31, 2022	53.56%	+38.1%
Dec 31, 2021	38.79%	-6.0%
Dec 31, 2020	41.27%	+119.9%
Dec 31, 2019	18.77%	-58.1%
Dec 31, 2018	44.83%	+207.9%

Date	Value	Change
Dec 31, 2017	14.56%	-34.6%
Dec 31, 2016	22.28%	-26.1%
Dec 31, 2015	30.13%	+23.2%
Dec 31, 2014	24.46%	+15.1%
Dec 31, 2013	21.26%	-8.4%
Dec 31, 2012	23.21%	-33.7%
Dec 31, 2011	35.02%	+61.8%
Dec 31, 2010	21.65%	-

FAQ

What is the current 1-month volatility of GNRC?: As of today, GNRC 1-month volatility is 80.01%
What 1-month volatility category does GNRC fall into?: Based on its current 1-month historical volatility, GNRC falls into the extreme volatility category
What is GNRC 1-month volatility 1-year high?: GNRC 1-month volatility reached a 1-year high of 81.45% on July 7, 2026
What is GNRC 1-month volatility 1-year low?: GNRC 1-month volatility reached a 1-year low of 34.45% on January 20, 2026

3-Month

62.24%

September 23, 2026

Summary

Current Value: As of today, GNRC 3-month volatility is 62.24%, down -2.02% on September 23, 2026
Value Category: Based on its current 3-month historical volatility, GNRC falls into the extreme volatility category
1-Year High: GNRC 3-month volatility reached a 1-year high of 67.72% on July 7, 2026
1-Year Low: GNRC 3-month volatility reached a 1-year low of 41.20% on October 31, 2025

Performance

GNRC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 23, 26	62.24%	-2.0%	+8.0%	+0.3%	+29.5%	+17.5%	-1.7%	+103.2%
10-Day Volatility	Sep 23, 26	104.47%	+1.6%	+149.5%	+25.2%	+142.9%	+85.7%	+562.5%	+171.3%
1-Month Volatility	Sep 23, 26	80.01%	+0.6%	+70.3%	+19.8%	+81.2%	+89.9%	+253.1%	+150.5%
1-Year Volatility	Sep 23, 26	57.32%	-1.3%	+5.8%	+4.8%	+22.3%	+30.4%	-11.4%	+31.9%
14-Day RSI	Sep 23, 26	51.98	-7.0%	+29.3%	-8.8%	+52.8%	+45.9%	+68.1%	-5.3%
Beta	Sep 23, 26	2.08	0.0%	+3.5%	+10.1%	+60.0%	+76.3%	+7.2%	+79.3%
ATR	Sep 23, 26	$11.31	-2.5%	+13.3%	-26.0%	+106.5%	+82.4%	+192.8%	-20.6%
Price	Sep 24, 26	$198.16	-0.6%	-2.6%	-30.3%	+45.3%	+18.4%	+85.6%	-55.4%
200-Day SMA	Sep 23, 26	$210.79	+0.1%	+1.9%	+6.9%	+38.6%	+42.1%	+81.8%	-38.4%
50-Day SMA	Sep 23, 26	$202.27	-0.3%	-12.9%	-20.8%	+28.8%	+11.7%	+65.5%	-52.8%
20-Day SMA	Sep 23, 26	$189.95	-0.1%	-9.1%	-30.2%	+26.1%	+4.6%	+65.7%	-57.0%

3-Month Volatility History

Date	Value	Change
Sep 24, 2026	62.24%	+30.5%
Dec 31, 2025	47.69%	+37.3%
Dec 31, 2024	34.74%	-24.1%
Dec 31, 2023	45.77%	-43.0%
Dec 31, 2022	80.31%	+113.0%
Dec 31, 2021	37.70%	+0.2%
Dec 31, 2020	37.61%	+17.8%
Dec 31, 2019	31.93%	-16.8%
Dec 31, 2018	38.37%	+74.6%

Date	Value	Change
Dec 31, 2017	21.98%	-24.1%
Dec 31, 2016	28.96%	-32.6%
Dec 31, 2015	42.99%	+45.0%
Dec 31, 2014	29.65%	-20.5%
Dec 31, 2013	37.30%	-40.5%
Dec 31, 2012	62.71%	+47.1%
Dec 31, 2011	42.64%	+35.6%
Dec 31, 2010	31.44%	-

FAQ

What is the current 3-month volatility of GNRC?: As of today, GNRC 3-month volatility is 62.24%
What 3-month volatility category does GNRC fall into?: Based on its current 3-month historical volatility, GNRC falls into the extreme volatility category
What is GNRC 3-month volatility 1-year high?: GNRC 3-month volatility reached a 1-year high of 67.72% on July 7, 2026
What is GNRC 3-month volatility 1-year low?: GNRC 3-month volatility reached a 1-year low of 41.20% on October 31, 2025

1-Year

57.32%

September 23, 2026

Summary

Current Value: As of today, GNRC 1-year volatility is 57.32%, down -1.33% on September 23, 2026
Value Category: Based on its current 1-year historical volatility, GNRC falls into the high volatility category
1-Year High: GNRC 1-year volatility reached a 1-year high of 58.10% on September 18, 2026
1-Year Low: GNRC 1-year volatility reached a 1-year low of 42.74% on October 13, 2025

Performance

GNRC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 23, 26	57.32%	-1.3%	+5.8%	+4.8%	+22.3%	+30.4%	-11.4%	+31.9%
10-Day Volatility	Sep 23, 26	104.47%	+1.6%	+149.5%	+25.2%	+142.9%	+85.7%	+562.5%	+171.3%
1-Month Volatility	Sep 23, 26	80.01%	+0.6%	+70.3%	+19.8%	+81.2%	+89.9%	+253.1%	+150.5%
3-Month Volatility	Sep 23, 26	62.24%	-2.0%	+8.0%	+0.3%	+29.5%	+17.5%	-1.7%	+103.2%
1-Year Volatility	Sep 23, 26	57.32%	-1.3%	+5.8%	+4.8%	+22.3%	+30.4%	-11.4%	+31.9%
14-Day RSI	Sep 23, 26	51.98	-7.0%	+29.3%	-8.8%	+52.8%	+45.9%	+68.1%	-5.3%
Beta	Sep 23, 26	2.08	0.0%	+3.5%	+10.1%	+60.0%	+76.3%	+7.2%	+79.3%
ATR	Sep 23, 26	$11.31	-2.5%	+13.3%	-26.0%	+106.5%	+82.4%	+192.8%	-20.6%
Price	Sep 24, 26	$198.16	-0.6%	-2.6%	-30.3%	+45.3%	+18.4%	+85.6%	-55.4%
200-Day SMA	Sep 23, 26	$210.79	+0.1%	+1.9%	+6.9%	+38.6%	+42.1%	+81.8%	-38.4%
50-Day SMA	Sep 23, 26	$202.27	-0.3%	-12.9%	-20.8%	+28.8%	+11.7%	+65.5%	-52.8%
20-Day SMA	Sep 23, 26	$189.95	-0.1%	-9.1%	-30.2%	+26.1%	+4.6%	+65.7%	-57.0%

1-Year Volatility History

Date	Value	Change
Sep 24, 2026	57.32%	+22.3%
Dec 31, 2025	46.88%	+31.7%
Dec 31, 2024	35.60%	-35.3%
Dec 31, 2023	55.04%	-21.4%
Dec 31, 2022	70.02%	+60.1%
Dec 31, 2021	43.74%	-16.8%
Dec 31, 2020	52.60%	+91.2%
Dec 31, 2019	27.51%	-6.0%
Dec 31, 2018	29.28%	+15.7%

Date	Value	Change
Dec 31, 2017	25.30%	-32.2%
Dec 31, 2016	37.32%	+1.7%
Dec 31, 2015	36.69%	+8.6%
Dec 31, 2014	33.77%	+1.3%
Dec 31, 2013	33.33%	-35.7%
Dec 31, 2012	51.86%	+8.1%
Dec 31, 2011	47.97%	+19.3%
Dec 31, 2010	40.20%	-

FAQ

What is the current 1-year volatility of GNRC?: As of today, GNRC 1-year volatility is 57.32%
What 1-year volatility category does GNRC fall into?: Based on its current 1-year historical volatility, GNRC falls into the high volatility category
What is GNRC 1-year volatility 1-year high?: GNRC 1-year volatility reached a 1-year high of 58.10% on September 18, 2026
What is GNRC 1-year volatility 1-year low?: GNRC 1-year volatility reached a 1-year low of 42.74% on October 13, 2025

Data Sources & References

GNRC Official Website www.generac.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1474735/000143774926003700/0001437749-26-003700-index.htm
GNRC Profile on Yahoo Finance finance.yahoo.com/quote/GNRC
GNRC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/gnrc