What is the current 10-day volatility of ON?

As of today, ON 10-day volatility is 80.67%

What 10-day volatility category does ON fall into?

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

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

ON 10-day volatility reached a 1-year high of 158.38% on June 26, 2026

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

ON 10-day volatility reached a 1-year low of 21.48% on October 2, 2025

What is the current 1-month volatility of ON?

As of today, ON 1-month volatility is 59.79%

What 1-month volatility category does ON fall into?

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

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

ON 1-month volatility reached a 1-year high of 127.05% on July 2, 2026

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

ON 1-month volatility reached a 1-year low of 26.67% on October 3, 2025

What is the current 3-month volatility of ON?

As of today, ON 3-month volatility is 72.68%

What 3-month volatility category does ON fall into?

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

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

ON 3-month volatility reached a 1-year high of 92.15% on June 26, 2026

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

ON 3-month volatility reached a 1-year low of 40.30% on March 4, 2026

What is the current 1-year volatility of ON?

As of today, ON 1-year volatility is 63.34%

What 1-year volatility category does ON fall into?

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

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

ON 1-year volatility reached a 1-year high of 63.49% on July 31, 2026

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

ON 1-year volatility reached a 1-year low of 51.07% on April 10, 2026

ON Stock Volatility History & Chart Since 2000

10-Day

80.67%

September 21, 2026

Summary

Current Value: As of today, ON 10-day volatility is 80.67%, unchanged on September 21, 2026
Value Category: Based on its current 10-day historical volatility, ON falls into the extreme volatility category
1-Year High: ON 10-day volatility reached a 1-year high of 158.38% on June 26, 2026
1-Year Low: ON 10-day volatility reached a 1-year low of 21.48% on October 2, 2025

10-Day Volatility Chart

Performance

ON Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 21, 26	80.67%	0.0%	+106.6%	-27.1%	+230.6%	+145.1%	+173.6%	+179.0%
1-Month Volatility	Sep 21, 26	59.79%	0.0%	+12.8%	-39.0%	+25.3%	+113.5%	+96.5%	+124.9%
3-Month Volatility	Sep 21, 26	72.68%	-5.0%	-14.3%	-6.8%	+44.8%	+47.5%	+105.3%	+85.7%
1-Year Volatility	Sep 21, 26	63.34%	+0.3%	+2.9%	+11.1%	+7.2%	+11.6%	+35.1%	+49.4%
14-Day RSI	Sep 21, 26	45.63	0.0%	+28.6%	-9.5%	-13.5%	-10.2%	+0.8%	-33.2%
Beta	Sep 21, 26	2.64	0.0%	+1.9%	+17.3%	+35.4%	+41.9%	+36.8%	+46.7%
ATR	Sep 21, 26	$3.76	0.0%	-14.9%	-57.1%	+136.6%	+98.2%	+23.4%	+178.4%
Price	Sep 21, 26	$71.72	–	-3.4%	-38.7%	+32.5%	+42.3%	-23.6%	+45.3%
200-Day SMA	Sep 21, 26	$79.49	0.0%	+3.1%	+14.8%	+62.5%	+57.6%	-4.7%	+102.6%
50-Day SMA	Sep 21, 26	$79.06	0.0%	-14.8%	-26.7%	+53.1%	+51.8%	-19.1%	+83.2%
20-Day SMA	Sep 21, 26	$72.10	0.0%	-10.5%	-40.8%	+30.9%	+45.4%	-25.0%	+54.4%

10-Day Volatility History

Date	Value	Change
Sep 23, 2026	80.67%	+230.6%
Dec 31, 2025	24.40%	-31.8%
Dec 31, 2024	35.78%	+7.9%
Dec 31, 2023	33.16%	-12.3%
Dec 31, 2022	37.81%	-13.1%
Dec 31, 2021	43.52%	+171.5%
Dec 31, 2020	16.03%	+61.3%
Dec 31, 2019	9.94%	-84.1%
Dec 31, 2018	62.54%	+140.3%
Dec 31, 2017	26.03%	+46.7%
Dec 31, 2016	17.74%	-22.5%
Dec 31, 2015	22.90%	+7.3%
Dec 31, 2014	21.35%	+137.2%
Dec 31, 2013	9.00%	-57.8%

Date	Value	Change
Dec 31, 2012	21.33%	-47.1%
Dec 31, 2011	40.31%	+153.0%
Dec 31, 2010	15.93%	-48.9%
Dec 31, 2009	31.15%	-53.1%
Dec 31, 2008	66.40%	+89.3%
Dec 31, 2007	35.07%	+16.2%
Dec 31, 2006	30.19%	-21.8%
Dec 31, 2005	38.59%	+7.6%
Dec 31, 2004	35.87%	-22.2%
Dec 31, 2003	46.12%	-62.8%
Dec 31, 2002	123.99%	+92.0%
Dec 31, 2001	64.58%	-63.1%
Dec 31, 2000	174.86%	-

FAQ

What is the current 10-day volatility of ON?: As of today, ON 10-day volatility is 80.67%
What 10-day volatility category does ON fall into?: Based on its current 10-day historical volatility, ON falls into the extreme volatility category
What is ON 10-day volatility 1-year high?: ON 10-day volatility reached a 1-year high of 158.38% on June 26, 2026
What is ON 10-day volatility 1-year low?: ON 10-day volatility reached a 1-year low of 21.48% on October 2, 2025

1-Month

59.79%

September 21, 2026

Summary

Current Value: As of today, ON 1-month volatility is 59.79%, unchanged on September 21, 2026
Value Category: Based on its current 1-month historical volatility, ON falls into the high volatility category
1-Year High: ON 1-month volatility reached a 1-year high of 127.05% on July 2, 2026
1-Year Low: ON 1-month volatility reached a 1-year low of 26.67% on October 3, 2025

Performance

ON Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 21, 26	59.79%	0.0%	+12.8%	-39.0%	+25.3%	+113.5%	+96.5%	+124.9%
10-Day Volatility	Sep 21, 26	80.67%	0.0%	+106.6%	-27.1%	+230.6%	+145.1%	+173.6%	+179.0%
3-Month Volatility	Sep 21, 26	72.68%	-5.0%	-14.3%	-6.8%	+44.8%	+47.5%	+105.3%	+85.7%
1-Year Volatility	Sep 21, 26	63.34%	+0.3%	+2.9%	+11.1%	+7.2%	+11.6%	+35.1%	+49.4%
14-Day RSI	Sep 21, 26	45.63	0.0%	+28.6%	-9.5%	-13.5%	-10.2%	+0.8%	-33.2%
Beta	Sep 21, 26	2.64	0.0%	+1.9%	+17.3%	+35.4%	+41.9%	+36.8%	+46.7%
ATR	Sep 21, 26	$3.76	0.0%	-14.9%	-57.1%	+136.6%	+98.2%	+23.4%	+178.4%
Price	Sep 21, 26	$71.72	–	-3.4%	-38.7%	+32.5%	+42.3%	-23.6%	+45.3%
200-Day SMA	Sep 21, 26	$79.49	0.0%	+3.1%	+14.8%	+62.5%	+57.6%	-4.7%	+102.6%
50-Day SMA	Sep 21, 26	$79.06	0.0%	-14.8%	-26.7%	+53.1%	+51.8%	-19.1%	+83.2%
20-Day SMA	Sep 21, 26	$72.10	0.0%	-10.5%	-40.8%	+30.9%	+45.4%	-25.0%	+54.4%

1-Month Volatility History

Date	Value	Change
Sep 23, 2026	59.79%	+28.4%
Dec 31, 2025	46.58%	+11.2%
Dec 31, 2024	41.88%	+0.4%
Dec 31, 2023	41.71%	+6.8%
Dec 31, 2022	39.05%	-23.7%
Dec 31, 2021	51.20%	+139.5%
Dec 31, 2020	21.38%	-11.0%
Dec 31, 2019	24.02%	-53.5%
Dec 31, 2018	51.62%	+93.9%
Dec 31, 2017	26.62%	-32.1%
Dec 31, 2016	39.18%	+8.4%
Dec 31, 2015	36.16%	+10.7%
Dec 31, 2014	32.67%	+109.3%
Dec 31, 2013	15.61%	-15.8%

Date	Value	Change
Dec 31, 2012	18.54%	-61.8%
Dec 31, 2011	48.55%	+52.4%
Dec 31, 2010	31.86%	-16.1%
Dec 31, 2009	37.98%	-70.6%
Dec 31, 2008	129.16%	+254.3%
Dec 31, 2007	36.46%	-24.8%
Dec 31, 2006	48.50%	+6.7%
Dec 31, 2005	45.46%	-18.8%
Dec 31, 2004	56.00%	-18.5%
Dec 31, 2003	68.75%	-35.0%
Dec 31, 2002	105.72%	-0.8%
Dec 31, 2001	106.56%	-41.4%
Dec 31, 2000	181.77%	-

FAQ

What is the current 1-month volatility of ON?: As of today, ON 1-month volatility is 59.79%
What 1-month volatility category does ON fall into?: Based on its current 1-month historical volatility, ON falls into the high volatility category
What is ON 1-month volatility 1-year high?: ON 1-month volatility reached a 1-year high of 127.05% on July 2, 2026
What is ON 1-month volatility 1-year low?: ON 1-month volatility reached a 1-year low of 26.67% on October 3, 2025

3-Month

72.68%

September 21, 2026

Summary

Current Value: As of today, ON 3-month volatility is 72.68%, down -5.01% on September 21, 2026
Value Category: Based on its current 3-month historical volatility, ON falls into the extreme volatility category
1-Year High: ON 3-month volatility reached a 1-year high of 92.15% on June 26, 2026
1-Year Low: ON 3-month volatility reached a 1-year low of 40.30% on March 4, 2026

Performance

ON Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 21, 26	72.68%	-5.0%	-14.3%	-6.8%	+44.8%	+47.5%	+105.3%	+85.7%
10-Day Volatility	Sep 21, 26	80.67%	0.0%	+106.6%	-27.1%	+230.6%	+145.1%	+173.6%	+179.0%
1-Month Volatility	Sep 21, 26	59.79%	0.0%	+12.8%	-39.0%	+25.3%	+113.5%	+96.5%	+124.9%
1-Year Volatility	Sep 21, 26	63.34%	+0.3%	+2.9%	+11.1%	+7.2%	+11.6%	+35.1%	+49.4%
14-Day RSI	Sep 21, 26	45.63	0.0%	+28.6%	-9.5%	-13.5%	-10.2%	+0.8%	-33.2%
Beta	Sep 21, 26	2.64	0.0%	+1.9%	+17.3%	+35.4%	+41.9%	+36.8%	+46.7%
ATR	Sep 21, 26	$3.76	0.0%	-14.9%	-57.1%	+136.6%	+98.2%	+23.4%	+178.4%
Price	Sep 21, 26	$71.72	–	-3.4%	-38.7%	+32.5%	+42.3%	-23.6%	+45.3%
200-Day SMA	Sep 21, 26	$79.49	0.0%	+3.1%	+14.8%	+62.5%	+57.6%	-4.7%	+102.6%
50-Day SMA	Sep 21, 26	$79.06	0.0%	-14.8%	-26.7%	+53.1%	+51.8%	-19.1%	+83.2%
20-Day SMA	Sep 21, 26	$72.10	0.0%	-10.5%	-40.8%	+30.9%	+45.4%	-25.0%	+54.4%

3-Month Volatility History

Date	Value	Change
Sep 23, 2026	72.68%	+45.4%
Dec 31, 2025	49.97%	+38.3%
Dec 31, 2024	36.14%	-39.8%
Dec 31, 2023	59.99%	-2.8%
Dec 31, 2022	61.71%	+24.4%
Dec 31, 2021	49.59%	+36.9%
Dec 31, 2020	36.22%	-5.9%
Dec 31, 2019	38.50%	-30.8%
Dec 31, 2018	55.62%	+137.5%
Dec 31, 2017	23.42%	-25.7%
Dec 31, 2016	31.54%	-31.7%
Dec 31, 2015	46.15%	+16.5%
Dec 31, 2014	39.60%	+67.2%
Dec 31, 2013	23.69%	-23.4%

Date	Value	Change
Dec 31, 2012	30.92%	-53.8%
Dec 31, 2011	66.90%	+139.6%
Dec 31, 2010	27.92%	-40.8%
Dec 31, 2009	47.13%	-60.5%
Dec 31, 2008	119.41%	+127.6%
Dec 31, 2007	52.47%	+33.6%
Dec 31, 2006	39.28%	-21.2%
Dec 31, 2005	49.84%	-15.6%
Dec 31, 2004	59.07%	-11.1%
Dec 31, 2003	66.48%	-43.3%
Dec 31, 2002	117.31%	+22.1%
Dec 31, 2001	96.10%	-20.8%
Dec 31, 2000	121.33%	-

FAQ

What is the current 3-month volatility of ON?: As of today, ON 3-month volatility is 72.68%
What 3-month volatility category does ON fall into?: Based on its current 3-month historical volatility, ON falls into the extreme volatility category
What is ON 3-month volatility 1-year high?: ON 3-month volatility reached a 1-year high of 92.15% on June 26, 2026
What is ON 3-month volatility 1-year low?: ON 3-month volatility reached a 1-year low of 40.30% on March 4, 2026

1-Year

63.34%

September 21, 2026

Summary

Current Value: As of today, ON 1-year volatility is 63.34%, up +0.33% on September 21, 2026
Value Category: Based on its current 1-year historical volatility, ON falls into the extreme volatility category
1-Year High: ON 1-year volatility reached a 1-year high of 63.49% on July 31, 2026
1-Year Low: ON 1-year volatility reached a 1-year low of 51.07% on April 10, 2026

Performance

ON Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 21, 26	63.34%	+0.3%	+2.9%	+11.1%	+7.2%	+11.6%	+35.1%	+49.4%
10-Day Volatility	Sep 21, 26	80.67%	0.0%	+106.6%	-27.1%	+230.6%	+145.1%	+173.6%	+179.0%
1-Month Volatility	Sep 21, 26	59.79%	0.0%	+12.8%	-39.0%	+25.3%	+113.5%	+96.5%	+124.9%
3-Month Volatility	Sep 21, 26	72.68%	-5.0%	-14.3%	-6.8%	+44.8%	+47.5%	+105.3%	+85.7%
1-Year Volatility	Sep 21, 26	63.34%	+0.3%	+2.9%	+11.1%	+7.2%	+11.6%	+35.1%	+49.4%
14-Day RSI	Sep 21, 26	45.63	0.0%	+28.6%	-9.5%	-13.5%	-10.2%	+0.8%	-33.2%
Beta	Sep 21, 26	2.64	0.0%	+1.9%	+17.3%	+35.4%	+41.9%	+36.8%	+46.7%
ATR	Sep 21, 26	$3.76	0.0%	-14.9%	-57.1%	+136.6%	+98.2%	+23.4%	+178.4%
Price	Sep 21, 26	$71.72	–	-3.4%	-38.7%	+32.5%	+42.3%	-23.6%	+45.3%
200-Day SMA	Sep 21, 26	$79.49	0.0%	+3.1%	+14.8%	+62.5%	+57.6%	-4.7%	+102.6%
50-Day SMA	Sep 21, 26	$79.06	0.0%	-14.8%	-26.7%	+53.1%	+51.8%	-19.1%	+83.2%
20-Day SMA	Sep 21, 26	$72.10	0.0%	-10.5%	-40.8%	+30.9%	+45.4%	-25.0%	+54.4%

1-Year Volatility History

Date	Value	Change
Sep 23, 2026	63.34%	+7.2%
Dec 31, 2025	59.10%	+28.4%
Dec 31, 2024	46.04%	-0.8%
Dec 31, 2023	46.42%	-24.4%
Dec 31, 2022	61.38%	+34.3%
Dec 31, 2021	45.69%	-41.0%
Dec 31, 2020	77.47%	+87.2%
Dec 31, 2019	41.38%	+2.2%
Dec 31, 2018	40.47%	+39.6%
Dec 31, 2017	28.99%	-21.7%
Dec 31, 2016	37.02%	-6.3%
Dec 31, 2015	39.50%	+27.2%
Dec 31, 2014	31.06%	+7.4%
Dec 31, 2013	28.93%	-16.4%

Date	Value	Change
Dec 31, 2012	34.62%	-30.6%
Dec 31, 2011	49.86%	+44.4%
Dec 31, 2010	34.54%	-46.6%
Dec 31, 2009	64.63%	-18.8%
Dec 31, 2008	79.58%	+77.2%
Dec 31, 2007	44.91%	+0.4%
Dec 31, 2006	44.72%	-19.8%
Dec 31, 2005	55.78%	-15.4%
Dec 31, 2004	65.97%	-18.4%
Dec 31, 2003	80.80%	-36.3%
Dec 31, 2002	126.83%	+26.5%
Dec 31, 2001	100.27%	+4.3%
Dec 31, 2000	96.17%	-

FAQ

What is the current 1-year volatility of ON?: As of today, ON 1-year volatility is 63.34%
What 1-year volatility category does ON fall into?: Based on its current 1-year historical volatility, ON falls into the extreme volatility category
What is ON 1-year volatility 1-year high?: ON 1-year volatility reached a 1-year high of 63.49% on July 31, 2026
What is ON 1-year volatility 1-year low?: ON 1-year volatility reached a 1-year low of 51.07% on April 10, 2026

Data Sources & References

ON Official Website www.onsemi.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1097864/000109786426000006/0001097864-26-000006-index.htm
ON Profile on Yahoo Finance finance.yahoo.com/quote/ON
ON Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/on