What is the current 10-day volatility of SIMO?

As of today, SIMO 10-day volatility is 105.65%

What 10-day volatility category does SIMO fall into?

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

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

SIMO 10-day volatility reached a 1-year high of 231.26% on May 4, 2026

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

SIMO 10-day volatility reached a 1-year low of 18.89% on December 10, 2025

What is the current 1-month volatility of SIMO?

As of today, SIMO 1-month volatility is 89.54%

What 1-month volatility category does SIMO fall into?

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

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

SIMO 1-month volatility reached a 1-year high of 169.11% on May 22, 2026

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

SIMO 1-month volatility reached a 1-year low of 31.66% on December 30, 2025

What is the current 3-month volatility of SIMO?

As of today, SIMO 3-month volatility is 102.21%

What 3-month volatility category does SIMO fall into?

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

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

SIMO 3-month volatility reached a 1-year high of 124.77% on July 28, 2026

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

SIMO 3-month volatility reached a 1-year low of 34.65% on September 26, 2025

What is the current 1-year volatility of SIMO?

As of today, SIMO 1-year volatility is 86.15%

What 1-year volatility category does SIMO fall into?

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

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

SIMO 1-year volatility reached a 1-year high of 86.15% on September 25, 2026

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

SIMO 1-year volatility reached a 1-year low of 44.98% on September 26, 2025

SIMO Stock Volatility History & Chart Since 2005

10-Day

105.65%

September 25, 2026

Summary

Current Value: As of today, SIMO 10-day volatility is 105.65%, down -5.36% on September 25, 2026
Value Category: Based on its current 10-day historical volatility, SIMO falls into the extreme volatility category
1-Year High: SIMO 10-day volatility reached a 1-year high of 231.26% on May 4, 2026
1-Year Low: SIMO 10-day volatility reached a 1-year low of 18.89% on December 10, 2025

10-Day Volatility Chart

Performance

SIMO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 25, 26	105.65%	-5.4%	+25.3%	+52.6%	+354.2%	+186.5%	+334.2%	+477.6%
1-Month Volatility	Sep 25, 26	89.54%	-3.2%	-26.9%	+5.0%	+174.1%	+117.5%	+385.8%	+342.2%
3-Month Volatility	Sep 25, 26	102.21%	-0.3%	+1.9%	-8.1%	+119.8%	+190.3%	+28.7%	+130.4%
1-Year Volatility	Sep 25, 26	86.15%	+0.1%	+4.3%	+21.2%	+85.2%	+88.9%	+71.4%	+98.8%
14-Day RSI	Sep 25, 26	55.08	-0.4%	+20.9%	-15.5%	-4.3%	-8.8%	+35.5%	+0.0%
Beta	Sep 25, 26	2.33	+0.9%	-3.7%	+15.9%	+51.3%	+61.8%	+206.6%	+91.0%
ATR	Sep 25, 26	$18.04	-1.3%	-14.4%	-26.3%	+451.4%	+413.3%	+995.7%	+829.7%
Price	Sep 25, 26	$276.23	+0.4%	+14.2%	-15.1%	+198.0%	+205.9%	+430.7%	+268.0%
200-Day SMA	Sep 25, 26	$196.81	+1.0%	+10.6%	+40.0%	+162.1%	+214.2%	+214.5%	+212.9%
50-Day SMA	Sep 25, 26	$255.80	-0.1%	-8.1%	+4.0%	+180.9%	+219.9%	+357.0%	+254.7%
20-Day SMA	Sep 25, 26	$259.33	+0.8%	+4.1%	-10.7%	+187.9%	+198.6%	+391.1%	+246.2%

10-Day Volatility History

Date	Value	Change
Sep 25, 2026	105.65%	+354.2%
Dec 31, 2025	23.26%	-56.2%
Dec 31, 2024	53.16%	+101.7%
Dec 31, 2023	26.36%	+17.2%
Dec 31, 2022	22.49%	+9.9%
Dec 31, 2021	20.46%	-18.0%
Dec 31, 2020	24.94%	+33.9%
Dec 31, 2019	18.63%	-38.5%
Dec 31, 2018	30.30%	+49.7%
Dec 31, 2017	20.24%	-32.6%
Dec 31, 2016	30.03%	+13.1%

Date	Value	Change
Dec 31, 2015	26.54%	-40.0%
Dec 31, 2014	44.25%	+89.3%
Dec 31, 2013	23.38%	-25.2%
Dec 31, 2012	31.26%	-43.7%
Dec 31, 2011	55.55%	+42.4%
Dec 31, 2010	39.01%	-22.1%
Dec 31, 2009	50.05%	-61.2%
Dec 31, 2008	128.93%	+290.2%
Dec 31, 2007	33.04%	+180.5%
Dec 31, 2006	11.78%	-67.0%
Dec 31, 2005	35.73%	-

FAQ

What is the current 10-day volatility of SIMO?: As of today, SIMO 10-day volatility is 105.65%
What 10-day volatility category does SIMO fall into?: Based on its current 10-day historical volatility, SIMO falls into the extreme volatility category
What is SIMO 10-day volatility 1-year high?: SIMO 10-day volatility reached a 1-year high of 231.26% on May 4, 2026
What is SIMO 10-day volatility 1-year low?: SIMO 10-day volatility reached a 1-year low of 18.89% on December 10, 2025

1-Month

89.54%

September 25, 2026

Summary

Current Value: As of today, SIMO 1-month volatility is 89.54%, down -3.20% on September 25, 2026
Value Category: Based on its current 1-month historical volatility, SIMO falls into the extreme volatility category
1-Year High: SIMO 1-month volatility reached a 1-year high of 169.11% on May 22, 2026
1-Year Low: SIMO 1-month volatility reached a 1-year low of 31.66% on December 30, 2025

Performance

SIMO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 25, 26	89.54%	-3.2%	-26.9%	+5.0%	+174.1%	+117.5%	+385.8%	+342.2%
10-Day Volatility	Sep 25, 26	105.65%	-5.4%	+25.3%	+52.6%	+354.2%	+186.5%	+334.2%	+477.6%
3-Month Volatility	Sep 25, 26	102.21%	-0.3%	+1.9%	-8.1%	+119.8%	+190.3%	+28.7%	+130.4%
1-Year Volatility	Sep 25, 26	86.15%	+0.1%	+4.3%	+21.2%	+85.2%	+88.9%	+71.4%	+98.8%
14-Day RSI	Sep 25, 26	55.08	-0.4%	+20.9%	-15.5%	-4.3%	-8.8%	+35.5%	+0.0%
Beta	Sep 25, 26	2.33	+0.9%	-3.7%	+15.9%	+51.3%	+61.8%	+206.6%	+91.0%
ATR	Sep 25, 26	$18.04	-1.3%	-14.4%	-26.3%	+451.4%	+413.3%	+995.7%	+829.7%
Price	Sep 25, 26	$276.23	+0.4%	+14.2%	-15.1%	+198.0%	+205.9%	+430.7%	+268.0%
200-Day SMA	Sep 25, 26	$196.81	+1.0%	+10.6%	+40.0%	+162.1%	+214.2%	+214.5%	+212.9%
50-Day SMA	Sep 25, 26	$255.80	-0.1%	-8.1%	+4.0%	+180.9%	+219.9%	+357.0%	+254.7%
20-Day SMA	Sep 25, 26	$259.33	+0.8%	+4.1%	-10.7%	+187.9%	+198.6%	+391.1%	+246.2%

1-Month Volatility History

Date	Value	Change
Sep 25, 2026	91.90%	+187.8%
Dec 31, 2025	31.93%	-34.6%
Dec 31, 2024	48.81%	+127.8%
Dec 31, 2023	21.43%	+2.6%
Dec 31, 2022	20.89%	-65.7%
Dec 31, 2021	60.90%	+42.8%
Dec 31, 2020	42.66%	+64.4%
Dec 31, 2019	25.95%	-25.8%
Dec 31, 2018	34.99%	+33.4%
Dec 31, 2017	26.22%	-18.4%
Dec 31, 2016	32.13%	+22.2%

Date	Value	Change
Dec 31, 2015	26.29%	-41.5%
Dec 31, 2014	44.97%	+90.5%
Dec 31, 2013	23.61%	-7.2%
Dec 31, 2012	25.45%	-47.9%
Dec 31, 2011	48.86%	+79.3%
Dec 31, 2010	27.25%	-45.4%
Dec 31, 2009	49.94%	-61.2%
Dec 31, 2008	128.65%	+102.8%
Dec 31, 2007	63.44%	+162.6%
Dec 31, 2006	24.16%	-23.8%
Dec 31, 2005	31.69%	-

FAQ

What is the current 1-month volatility of SIMO?: As of today, SIMO 1-month volatility is 89.54%
What 1-month volatility category does SIMO fall into?: Based on its current 1-month historical volatility, SIMO falls into the extreme volatility category
What is SIMO 1-month volatility 1-year high?: SIMO 1-month volatility reached a 1-year high of 169.11% on May 22, 2026
What is SIMO 1-month volatility 1-year low?: SIMO 1-month volatility reached a 1-year low of 31.66% on December 30, 2025

3-Month

102.21%

September 25, 2026

Summary

Current Value: As of today, SIMO 3-month volatility is 102.21%, down -0.25% on September 25, 2026
Value Category: Based on its current 3-month historical volatility, SIMO falls into the extreme volatility category
1-Year High: SIMO 3-month volatility reached a 1-year high of 124.77% on July 28, 2026
1-Year Low: SIMO 3-month volatility reached a 1-year low of 34.65% on September 26, 2025

Performance

SIMO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 25, 26	102.21%	-0.3%	+1.9%	-8.1%	+119.8%	+190.3%	+28.7%	+130.4%
10-Day Volatility	Sep 25, 26	105.65%	-5.4%	+25.3%	+52.6%	+354.2%	+186.5%	+334.2%	+477.6%
1-Month Volatility	Sep 25, 26	89.54%	-3.2%	-26.9%	+5.0%	+174.1%	+117.5%	+385.8%	+342.2%
1-Year Volatility	Sep 25, 26	86.15%	+0.1%	+4.3%	+21.2%	+85.2%	+88.9%	+71.4%	+98.8%
14-Day RSI	Sep 25, 26	55.08	-0.4%	+20.9%	-15.5%	-4.3%	-8.8%	+35.5%	+0.0%
Beta	Sep 25, 26	2.33	+0.9%	-3.7%	+15.9%	+51.3%	+61.8%	+206.6%	+91.0%
ATR	Sep 25, 26	$18.04	-1.3%	-14.4%	-26.3%	+451.4%	+413.3%	+995.7%	+829.7%
Price	Sep 25, 26	$276.23	+0.4%	+14.2%	-15.1%	+198.0%	+205.9%	+430.7%	+268.0%
200-Day SMA	Sep 25, 26	$196.81	+1.0%	+10.6%	+40.0%	+162.1%	+214.2%	+214.5%	+212.9%
50-Day SMA	Sep 25, 26	$255.80	-0.1%	-8.1%	+4.0%	+180.9%	+219.9%	+357.0%	+254.7%
20-Day SMA	Sep 25, 26	$259.33	+0.8%	+4.1%	-10.7%	+187.9%	+198.6%	+391.1%	+246.2%

3-Month Volatility History

Date	Value	Change
Sep 25, 2026	102.13%	+119.9%
Dec 31, 2025	46.44%	+15.7%
Dec 31, 2024	40.14%	+83.2%
Dec 31, 2023	21.91%	-41.5%
Dec 31, 2022	37.45%	-14.0%
Dec 31, 2021	43.57%	+11.1%
Dec 31, 2020	39.22%	+2.6%
Dec 31, 2019	38.22%	-21.9%
Dec 31, 2018	48.96%	+92.7%
Dec 31, 2017	25.41%	-39.6%
Dec 31, 2016	42.09%	+28.6%

Date	Value	Change
Dec 31, 2015	32.74%	-34.3%
Dec 31, 2014	49.87%	+42.6%
Dec 31, 2013	34.96%	-9.7%
Dec 31, 2012	38.70%	-48.4%
Dec 31, 2011	75.05%	+44.6%
Dec 31, 2010	51.90%	+6.1%
Dec 31, 2009	48.90%	-64.9%
Dec 31, 2008	139.48%	+137.5%
Dec 31, 2007	58.74%	+100.2%
Dec 31, 2006	29.34%	-42.6%
Dec 31, 2005	51.14%	-

FAQ

What is the current 3-month volatility of SIMO?: As of today, SIMO 3-month volatility is 102.21%
What 3-month volatility category does SIMO fall into?: Based on its current 3-month historical volatility, SIMO falls into the extreme volatility category
What is SIMO 3-month volatility 1-year high?: SIMO 3-month volatility reached a 1-year high of 124.77% on July 28, 2026
What is SIMO 3-month volatility 1-year low?: SIMO 3-month volatility reached a 1-year low of 34.65% on September 26, 2025

1-Year

86.15%

September 25, 2026

Summary

Current Value: As of today, SIMO 1-year volatility is 86.15%, up +0.13% on September 25, 2026
Value Category: Based on its current 1-year historical volatility, SIMO falls into the extreme volatility category
1-Year High: SIMO 1-year volatility reached a 1-year high of 86.15% on September 25, 2026
1-Year Low: SIMO 1-year volatility reached a 1-year low of 44.98% on September 26, 2025

Performance

SIMO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 25, 26	86.15%	+0.1%	+4.3%	+21.2%	+85.2%	+88.9%	+71.4%	+98.8%
10-Day Volatility	Sep 25, 26	105.65%	-5.4%	+25.3%	+52.6%	+354.2%	+186.5%	+334.2%	+477.6%
1-Month Volatility	Sep 25, 26	89.54%	-3.2%	-26.9%	+5.0%	+174.1%	+117.5%	+385.8%	+342.2%
3-Month Volatility	Sep 25, 26	102.21%	-0.3%	+1.9%	-8.1%	+119.8%	+190.3%	+28.7%	+130.4%
1-Year Volatility	Sep 25, 26	86.15%	+0.1%	+4.3%	+21.2%	+85.2%	+88.9%	+71.4%	+98.8%
14-Day RSI	Sep 25, 26	55.08	-0.4%	+20.9%	-15.5%	-4.3%	-8.8%	+35.5%	+0.0%
Beta	Sep 25, 26	2.33	+0.9%	-3.7%	+15.9%	+51.3%	+61.8%	+206.6%	+91.0%
ATR	Sep 25, 26	$18.04	-1.3%	-14.4%	-26.3%	+451.4%	+413.3%	+995.7%	+829.7%
Price	Sep 25, 26	$276.23	+0.4%	+14.2%	-15.1%	+198.0%	+205.9%	+430.7%	+268.0%
200-Day SMA	Sep 25, 26	$196.81	+1.0%	+10.6%	+40.0%	+162.1%	+214.2%	+214.5%	+212.9%
50-Day SMA	Sep 25, 26	$255.80	-0.1%	-8.1%	+4.0%	+180.9%	+219.9%	+357.0%	+254.7%
20-Day SMA	Sep 25, 26	$259.33	+0.8%	+4.1%	-10.7%	+187.9%	+198.6%	+391.1%	+246.2%

1-Year Volatility History

Date	Value	Change
Sep 25, 2026	85.98%	+84.8%
Dec 31, 2025	46.52%	+26.4%
Dec 31, 2024	36.79%	-23.3%
Dec 31, 2023	47.98%	+14.0%
Dec 31, 2022	42.07%	-5.3%
Dec 31, 2021	44.43%	-2.8%
Dec 31, 2020	45.73%	+18.0%
Dec 31, 2019	38.75%	+4.7%
Dec 31, 2018	37.02%	+16.2%
Dec 31, 2017	31.87%	-16.5%
Dec 31, 2016	38.17%	-17.5%

Date	Value	Change
Dec 31, 2015	46.28%	+9.3%
Dec 31, 2014	42.36%	+18.6%
Dec 31, 2013	35.71%	-39.6%
Dec 31, 2012	59.16%	-27.5%
Dec 31, 2011	81.61%	+38.4%
Dec 31, 2010	58.96%	-23.6%
Dec 31, 2009	77.22%	-16.4%
Dec 31, 2008	92.38%	+66.7%
Dec 31, 2007	55.41%	+21.9%
Dec 31, 2006	45.45%	-14.0%
Dec 31, 2005	52.84%	-

FAQ

What is the current 1-year volatility of SIMO?: As of today, SIMO 1-year volatility is 86.15%
What 1-year volatility category does SIMO fall into?: Based on its current 1-year historical volatility, SIMO falls into the extreme volatility category
What is SIMO 1-year volatility 1-year high?: SIMO 1-year volatility reached a 1-year high of 86.15% on September 25, 2026
What is SIMO 1-year volatility 1-year low?: SIMO 1-year volatility reached a 1-year low of 44.98% on September 26, 2025

Data Sources & References

SIMO Official Website www.siliconmotion.com
SIMO Profile on Yahoo Finance finance.yahoo.com/quote/SIMO
SIMO Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/simo