What is the current annual operating margin of SIMO?

As of today, SIMO annual operating margin is 10.51%

What is 1-year change in SIMO annual operating margin?

SIMO annual operating margin is down -8.37% year-over-year

What is 3-year change in SIMO annual operating margin?

SIMO annual operating margin is down -53.62% over the past 3 years

How far is SIMO annual operating margin from its all-time high?

SIMO annual operating margin is currently -60.58% below its historical high of 26.66% set on December 31, 2021

How does SIMO annual operating margin rank versus sector peers?

SIMO annual operating margin is higher than 72.08% of companies in Technology sector

When is SIMO next annual earnings release?

The next annual earnings release for SIMO is on February 2, 2027

What is the current quarterly operating margin of SIMO?

As of today, SIMO quarterly operating margin is 29.02%

What is SIMO quarterly operating margin most recent change?

SIMO quarterly operating margin was up +29.44% on September 30, 2026

What is 1-year change in SIMO quarterly operating margin?

SIMO quarterly operating margin is up +140.23% year-over-year

How far is SIMO quarterly operating margin from its all-time high?

SIMO quarterly operating margin is currently -3.84% below its historical high of 30.18% set on December 31, 2005

How does SIMO quarterly operating margin rank versus sector peers?

SIMO quarterly operating margin is higher than 90.91% of companies in Technology sector

When is SIMO next earnings release?

The next earnings release for SIMO is on February 2, 2027

SIMO Operating Margin History & Chart Since 2002

Annual Operating Margin

10.51%0.96%-8.37%

December 31, 2025

Summary

Current Value: As of today, SIMO annual operating margin is 10.51%, down -8.37% on December 31, 2025
Historical Performance: SIMO annual operating margin is down -53.62% over the past 3 years, down -42.13% over the past 5 years
All-Time High Comparison: SIMO annual operating margin is currently -60.58% below its historical high of 26.66% set on December 31, 2021
3-Year Low Comparison: SIMO annual operating margin is +63.20% above its 3-year low of 6.44% reached on December 31, 2023
Sector Comparison: SIMO annual operating margin is higher than 72.08% of companies in Technology sector

Operating Margin Chart

beforeafter

Performance

SIMO Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Operating Margin	Dec 31, 25	10.51%	-8.4%	-53.6%	-42.1%	+214.7%
Quarterly Operating Margin	Sep 30, 26	29.02%	+140.2%	+220.7%	+7.1%	+35.9%
Price	Nov 6, 26	$162.76	+70.7%	+191.7%	+130.3%	+777.4%
PE Ratio	Nov 6, 26	17.51	-46.8%	-47.9%	-0.1%	-32.8%
Annual Revenue	Dec 31, 25	$886.15M	+10.5%	-6.3%	+63.9%	+565.6%
Annual Operating Profit	Dec 31, 25	$93.09M	+1.2%	-56.5%	-5.2%	+1993.9%
Annual Gross Margin	Dec 31, 25	48.27%	+5.2%	-2.0%	+0.1%	+6.8%
Annual Net Margin	Dec 31, 25	13.85%	+24.7%	-24.1%	-6.3%	+472.3%

Operating Margin Highs

SIMO Annual Operating Margin Highs Comparison
Period	High	Date	Current
3Y	22.66%	N/A	-53.6%
5Y	26.66%	Dec 31, 21	-60.6%
All	26.66%	Dec 31, 21	-60.6%

Operating Margin Lows

SIMO Annual Operating Margin Lows Comparison
Period	Low	Date	Current
3Y	6.44%	Dec 31, 23	+63.2%
5Y	6.44%	Dec 31, 23	+63.2%
All	-93.36%	Dec 31, 02	+111.3%

Operating Margin History

Year	Value	Change
2025	10.51%	-8.4%
2024	11.47%	+78.1%
2023	6.44%	-71.6%
2022	22.66%	-15.0%
2021	26.66%	+46.8%
2020	18.16%	+21.9%
2019	14.90%	-27.4%
2018	20.53%	+3.5%
2017	19.83%	-19.7%
2016	24.68%	+16.6%
2015	21.16%	+3.6%
2014	20.42%	+30.3%

Year	Value	Change
2013	15.67%	-16.3%
2012	18.72%	+2.4%
2011	18.29%	+447.6%
2010	3.34%	+109.8%
2009	-34.05%	-738.8%
2008	5.33%	-78.1%
2007	24.35%	-4.9%
2006	25.61%	+2.5%
2005	24.98%	+22.5%
2004	20.40%	+175.7%
2003	7.40%	+107.9%
2002	-93.36%	-

FAQ

What is the current annual operating margin of SIMO?: As of today, SIMO annual operating margin is 10.51%
What is 1-year change in SIMO annual operating margin?: SIMO annual operating margin is down -8.37% year-over-year
What is 3-year change in SIMO annual operating margin?: SIMO annual operating margin is down -53.62% over the past 3 years
How far is SIMO annual operating margin from its all-time high?: SIMO annual operating margin is currently -60.58% below its historical high of 26.66% set on December 31, 2021
How does SIMO annual operating margin rank versus sector peers?: SIMO annual operating margin is higher than 72.08% of companies in Technology sector
When is SIMO next annual earnings release?: The next annual earnings release for SIMO is on February 2, 2027

Operating Margin Formula

Operating Profit Margin = Operating Income

Revenue × 100%

Quarterly Operating Margin

29.02%6.60%+29.44%

September 30, 2026

Summary

Current Value: As of today, SIMO quarterly operating margin is 29.02%, up +29.44% on September 30, 2026
Historical Performance: SIMO quarterly operating margin is up +140.23% year-over-year, up +220.66% over the past 3 years
All-Time High Comparison: SIMO quarterly operating margin is currently -3.84% below its historical high of 30.18% set on December 31, 2005
3-Year Low Comparison: SIMO quarterly operating margin is +394.38% above its 3-year low of 5.87% reached on March 30, 2025
Sector Comparison: SIMO quarterly operating margin is higher than 90.91% of companies in Technology sector

Performance

SIMO Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Operating Margin	Sep 30, 26	29.02%	+29.4%	+140.2%	+220.7%	+7.1%
Annual Operating Margin	Dec 31, 25	10.51%	–	-8.4%	-53.6%	-42.1%
Price	Nov 6, 26	$162.76	-39.1%	+70.7%	+191.7%	+130.3%
PE Ratio	Nov 6, 26	17.51	-44.2%	-46.8%	-47.9%	-0.1%
Quarterly Revenue	Sep 30, 26	$561.07M	+24.4%	+134.7%	+227.1%	+120.6%
Quarterly Operating Profit	Sep 30, 26	$162.80M	+61.1%	+463.9%	+948.5%	+136.2%
Quarterly Gross Margin	Sep 30, 26	53.63%	+6.9%	+10.3%	+26.4%	+7.2%
Quarterly Net Margin	Sep 30, 26	11.66%	-61.4%	-27.9%	+89.9%	-46.5%

Quarterly Operating Margin Highs

SIMO Quarterly Operating Margin Highs Comparison
Period	High	Date	Current
1Y	29.02%	Sep 30, 26	at high
3Y	29.02%	Sep 30, 26	at high
5Y	29.02%	Sep 30, 26	at high
All	30.18%	Dec 31, 05	-3.8%

Quarterly Operating Margin Lows

SIMO Quarterly Operating Margin Lows Comparison
Period	Low	Date	Current
1Y	11.39%	Dec 31, 25	+154.8%
3Y	5.87%	Mar 30, 25	+394.4%
5Y	1.30%	Jun 30, 23	+2132.3%
All	-75.54%	Dec 31, 09	+138.4%

Quarterly Operating Margin History

Month	Value	Change
Sep 2026	29.02%	+29.4%
Jun 2026	22.42%	+46.9%
Mar 2026	15.26%	+34.0%
Dec 2025	11.39%	-5.7%
Sep 2025	12.08%	+7.5%
Jun 2025	11.24%	+91.5%
Mar 2025	5.87%	-42.9%
Dec 2024	10.28%	-10.8%
Sep 2024	11.52%	-24.2%
Jun 2024	15.19%	+60.2%
Mar 2024	9.48%	+4.9%
Dec 2023	9.04%	-0.1%
Sep 2023	9.05%	+596.2%
Jun 2023	1.30%	-70.6%
Mar 2023	4.42%	-64.6%
Dec 2022	12.49%	-43.1%
Sep 2022	21.96%	-18.3%
Jun 2022	26.87%	-2.0%
Mar 2022	27.42%	+0.5%
Dec 2021	27.29%	+0.7%
Sep 2021	27.10%	-0.8%
Jun 2021	27.33%	+12.3%
Mar 2021	24.34%	+95.8%
Dec 2020	12.43%	-39.4%
Sep 2020	20.50%	-6.9%
Jun 2020	22.03%	+21.0%
Mar 2020	18.21%	+1.8%
Dec 2019	17.89%	-4.1%
Sep 2019	18.65%	+49.1%
Jun 2019	12.51%	+46.7%
Mar 2019	8.53%	-41.1%
Dec 2018	14.47%	-37.8%
Sep 2018	23.27%	-5.4%
Jun 2018	24.60%	+29.0%
Mar 2018	19.07%	+18.2%
Dec 2017	16.14%	-4.8%
Sep 2017	16.96%	-25.6%
Jun 2017	22.81%	-3.2%
Mar 2017	23.56%	-2.5%
Dec 2016	24.17%	-0.5%
Sep 2016	24.29%	-5.6%
Jun 2016	25.74%	+4.8%
Mar 2016	24.56%	+33.3%
Dec 2015	18.42%	-9.5%

Month	Value	Change
Sep 2015	20.36%	-16.0%
Jun 2015	24.23%	+9.6%
Mar 2015	22.10%	+6.7%
Dec 2014	20.71%	-5.6%
Sep 2014	21.94%	-3.3%
Jun 2014	22.70%	+60.1%
Mar 2014	14.18%	+7.3%
Dec 2013	13.21%	-33.9%
Sep 2013	19.99%	+17.2%
Jun 2013	17.06%	+39.8%
Mar 2013	12.20%	-7.3%
Dec 2012	13.16%	-38.7%
Sep 2012	21.48%	+10.8%
Jun 2012	19.38%	-2.6%
Mar 2012	19.89%	-5.2%
Dec 2011	20.97%	-1.8%
Sep 2011	21.35%	+34.5%
Jun 2011	15.87%	+28.6%
Mar 2011	12.34%	+4.1%
Dec 2010	11.85%	+312.9%
Sep 2010	2.87%	-45.6%
Jun 2010	5.28%	+192.5%
Mar 2010	-5.71%	+92.4%
Dec 2009	-75.54%	-291.4%
Sep 2009	-19.30%	+21.8%
Jun 2009	-24.67%	-47.6%
Mar 2009	-16.71%	>-9,900.0%
Dec 2008	-0.06%	-100.7%
Sep 2008	9.10%	+10.3%
Jun 2008	8.25%	-58.6%
Mar 2008	19.93%	-16.7%
Dec 2007	23.92%	+3.5%
Sep 2007	23.11%	+27.8%
Jun 2007	18.09%	-34.9%
Mar 2007	27.77%	-4.3%
Dec 2006	29.01%	+3.5%
Sep 2006	28.02%	+14.0%
Jun 2006	24.58%	+10.2%
Mar 2006	22.31%	-26.1%
Dec 2005	30.18%	+8.6%
Sep 2005	27.80%	+37.7%
Jun 2005	20.19%	+7.2%
Mar 2005	18.84%	-

FAQ

What is the current quarterly operating margin of SIMO?: As of today, SIMO quarterly operating margin is 29.02%
What is SIMO quarterly operating margin most recent change?: SIMO quarterly operating margin was up +29.44% on September 30, 2026
What is 1-year change in SIMO quarterly operating margin?: SIMO quarterly operating margin is up +140.23% year-over-year
How far is SIMO quarterly operating margin from its all-time high?: SIMO quarterly operating margin is currently -3.84% below its historical high of 30.18% set on December 31, 2005
How does SIMO quarterly operating margin rank versus sector peers?: SIMO quarterly operating margin is higher than 90.91% of companies in Technology sector
When is SIMO next earnings release?: The next earnings release for SIMO is on February 2, 2027

Operating Margin Formula

Operating Profit Margin = Operating Income

Revenue × 100%

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