What is the current annual gross margin of SIMO?

As of today, SIMO annual gross margin is 48.27%

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

SIMO annual gross margin is up +5.19% year-over-year

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

SIMO annual gross margin is down -1.99% over the past 3 years

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

SIMO annual gross margin is currently -9.93% below its historical high of 53.59% set on December 31, 2003

How does SIMO annual gross margin rank versus sector peers?

SIMO annual gross margin is higher than 58.81% 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 gross margin of SIMO?

As of today, SIMO quarterly gross margin is 53.63%

What is SIMO quarterly gross margin most recent change?

SIMO quarterly gross margin was up +6.92% on September 30, 2026

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

SIMO quarterly gross margin is up +10.28% year-over-year

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

SIMO quarterly gross margin is currently -0.24% below its historical high of 53.76% set on December 31, 2005

How does SIMO quarterly gross margin rank versus sector peers?

SIMO quarterly gross margin is higher than 61.51% of companies in Technology sector

When is SIMO next earnings release?

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

SIMO Gross Margin History & Chart Since 2002

Annual Gross Margin

48.27%2.38%+5.19%

December 31, 2025

Summary

Current Value: As of today, SIMO annual gross margin is 48.27%, up +5.19% on December 31, 2025
Historical Performance: SIMO annual gross margin is down -1.99% over the past 3 years, up +0.10% over the past 5 years
All-Time High Comparison: SIMO annual gross margin is currently -9.93% below its historical high of 53.59% set on December 31, 2003
3-Year Low Comparison: SIMO annual gross margin is +14.09% above its 3-year low of 42.31% reached on December 31, 2023
Sector Comparison: SIMO annual gross margin is higher than 58.81% of companies in Technology sector

Gross Margin Chart

beforeafter

Performance

SIMO Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Gross Margin	Dec 31, 25	48.27%	+5.2%	-2.0%	+0.1%	+6.8%
Quarterly Gross Margin	Sep 30, 26	53.63%	+10.3%	+26.4%	+7.2%	+8.8%
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 Gross Profit	Dec 31, 25	$427.76M	+16.2%	-8.1%	+64.1%	+610.8%
Annual Operating Margin	Dec 31, 25	10.51%	-8.4%	-53.6%	-42.1%	+214.7%
Annual Net Margin	Dec 31, 25	13.85%	+24.7%	-24.1%	-6.3%	+472.3%

Gross Margin Highs

SIMO Annual Gross Margin Highs Comparison
Period	High	Date	Current
3Y	49.25%	N/A	-2.0%
5Y	49.97%	Dec 31, 21	-3.4%
All	53.59%	Dec 31, 03	-9.9%

Gross Margin Lows

SIMO Annual Gross Margin Lows Comparison
Period	Low	Date	Current
3Y	42.31%	Dec 31, 23	+14.1%
5Y	42.31%	Dec 31, 23	+14.1%
All	19.84%	Dec 31, 02	+143.3%

Gross Margin History

Year	Value	Change
2025	48.27%	+5.2%
2024	45.89%	+8.5%
2023	42.31%	-14.1%
2022	49.25%	-1.4%
2021	49.97%	+3.6%
2020	48.22%	-0.4%
2019	48.42%	-0.4%
2018	48.62%	+2.3%
2017	47.51%	-3.0%
2016	49.00%	-3.5%
2015	50.78%	-1.9%
2014	51.74%	+9.3%

Year	Value	Change
2013	47.32%	+1.1%
2012	46.81%	-2.3%
2011	47.92%	+6.0%
2010	45.21%	+31.0%
2009	34.50%	-21.2%
2008	43.77%	-12.5%
2007	50.05%	-6.3%
2006	53.42%	+7.2%
2005	49.85%	+16.8%
2004	42.69%	-20.3%
2003	53.59%	+170.1%
2002	19.84%	-

FAQ

What is the current annual gross margin of SIMO?: As of today, SIMO annual gross margin is 48.27%
What is 1-year change in SIMO annual gross margin?: SIMO annual gross margin is up +5.19% year-over-year
What is 3-year change in SIMO annual gross margin?: SIMO annual gross margin is down -1.99% over the past 3 years
How far is SIMO annual gross margin from its all-time high?: SIMO annual gross margin is currently -9.93% below its historical high of 53.59% set on December 31, 2003
How does SIMO annual gross margin rank versus sector peers?: SIMO annual gross margin is higher than 58.81% of companies in Technology sector
When is SIMO next annual earnings release?: The next annual earnings release for SIMO is on February 2, 2027

Gross Margin Formula

Gross Margin = Gross Profit

Revenue × 100%

Quarterly Gross Margin

53.63%3.47%+6.92%

September 30, 2026

Summary

Current Value: As of today, SIMO quarterly gross margin is 53.63%, up +6.92% on September 30, 2026
Historical Performance: SIMO quarterly gross margin is up +10.28% year-over-year, up +26.37% over the past 3 years
All-Time High Comparison: SIMO quarterly gross margin is currently -0.24% below its historical high of 53.76% set on December 31, 2005
3-Year Low Comparison: SIMO quarterly gross margin is +26.37% above its 3-year low of 42.44% reached on an earlier date
Sector Comparison: SIMO quarterly gross margin is higher than 61.51% of companies in Technology sector

Performance

SIMO Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Gross Margin	Sep 30, 26	53.63%	+6.9%	+10.3%	+26.4%	+7.2%
Annual Gross Margin	Dec 31, 25	48.27%	–	+5.2%	-2.0%	+0.1%
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 Gross Profit	Sep 30, 26	$300.88M	+33.0%	+158.8%	+313.3%	+136.5%
Quarterly Operating Margin	Sep 30, 26	29.02%	+29.4%	+140.2%	+220.7%	+7.1%
Quarterly Net Margin	Sep 30, 26	11.66%	-61.4%	-27.9%	+89.9%	-46.5%

Quarterly Gross Margin Highs

SIMO Quarterly Gross Margin Highs Comparison
Period	High	Date	Current
1Y	53.63%	Sep 30, 26	at high
3Y	53.63%	Sep 30, 26	at high
5Y	53.63%	Sep 30, 26	at high
All	53.76%	Dec 31, 05	-0.2%

Quarterly Gross Margin Lows

SIMO Quarterly Gross Margin Lows Comparison
Period	Low	Date	Current
1Y	47.14%	Mar 31, 26	+13.8%
3Y	42.44%	N/A	+26.4%
5Y	40.20%	Jun 30, 23	+33.4%
All	0.00%	Mar 31, 11	N/A

Quarterly Gross Margin History

Month	Value	Change
Sep 2026	53.63%	+6.9%
Jun 2026	50.16%	+6.4%
Mar 2026	47.14%	-4.0%
Dec 2025	49.12%	+1.0%
Sep 2025	48.63%	+2.0%
Jun 2025	47.66%	+1.3%
Mar 2025	47.07%	+0.5%
Dec 2024	46.83%	+0.2%
Sep 2024	46.73%	+1.7%
Jun 2024	45.94%	+2.2%
Mar 2024	44.96%	+2.8%
Dec 2023	43.74%	+3.1%
Sep 2023	42.44%	+5.6%
Jun 2023	40.20%	-4.6%
Mar 2023	42.16%	-2.7%
Dec 2022	43.32%	-8.8%
Sep 2022	47.49%	-10.3%
Jun 2022	52.95%	+1.6%
Mar 2022	52.12%	+5.0%
Dec 2021	49.64%	-0.8%
Sep 2021	50.02%	-0.5%
Jun 2021	50.26%	+0.5%
Mar 2021	50.03%	+9.0%
Dec 2020	45.90%	-6.4%
Sep 2020	49.05%	-1.9%
Jun 2020	49.99%	+3.9%
Mar 2020	48.12%	+0.1%
Dec 2019	48.06%	-2.6%
Sep 2019	49.35%	+6.3%
Jun 2019	46.41%	-7.2%
Mar 2019	50.02%	+0.6%
Dec 2018	49.73%	-1.3%
Sep 2018	50.40%	+7.3%
Jun 2018	46.97%	-0.9%
Mar 2018	47.42%	+3.6%
Dec 2017	45.78%	+0.5%
Sep 2017	45.55%	-5.7%
Jun 2017	48.28%	-4.4%
Mar 2017	50.51%	+1.7%
Dec 2016	49.65%	+2.4%
Sep 2016	48.48%	+0.9%
Jun 2016	48.05%	-4.1%
Mar 2016	50.08%	+1.3%
Dec 2015	49.46%	-2.9%

Month	Value	Change
Sep 2015	50.93%	-0.2%
Jun 2015	51.01%	-1.9%
Mar 2015	51.98%	-0.8%
Dec 2014	52.41%	-0.7%
Sep 2014	52.77%	+1.2%
Jun 2014	52.15%	+7.5%
Mar 2014	48.49%	+0.0%
Dec 2013	48.48%	-0.4%
Sep 2013	48.69%	+0.7%
Jun 2013	48.35%	+10.3%
Mar 2013	43.84%	+2.0%
Dec 2012	42.99%	-7.0%
Sep 2012	46.25%	-5.4%
Jun 2012	48.91%	-1.1%
Mar 2012	49.43%	-0.6%
Dec 2011	49.72%	+0.9%
Sep 2011	49.29%	+6.2%
Jun 2011	46.40%	>+9,900.0%
Mar 2011	0.00%	-100.0%
Dec 2010	43.54%	-6.7%
Sep 2010	46.68%	+1.8%
Jun 2010	45.84%	+2.0%
Mar 2010	44.92%	+146.3%
Dec 2009	18.24%	-56.3%
Sep 2009	41.72%	+2.1%
Jun 2009	40.88%	+9.6%
Mar 2009	37.29%	-18.3%
Dec 2008	45.66%	-1.9%
Sep 2008	46.53%	+6.2%
Jun 2008	43.83%	-8.6%
Mar 2008	47.94%	-3.0%
Dec 2007	49.43%	+0.4%
Sep 2007	49.23%	+0.8%
Jun 2007	48.82%	-8.8%
Mar 2007	53.52%	+0.0%
Dec 2006	53.50%	+0.0%
Sep 2006	53.48%	-0.0%
Jun 2006	53.49%	+0.9%
Mar 2006	53.03%	-1.4%
Dec 2005	53.76%	+3.2%
Sep 2005	52.10%	+11.5%
Jun 2005	46.71%	+7.7%
Mar 2005	43.36%	-

FAQ

What is the current quarterly gross margin of SIMO?: As of today, SIMO quarterly gross margin is 53.63%
What is SIMO quarterly gross margin most recent change?: SIMO quarterly gross margin was up +6.92% on September 30, 2026
What is 1-year change in SIMO quarterly gross margin?: SIMO quarterly gross margin is up +10.28% year-over-year
How far is SIMO quarterly gross margin from its all-time high?: SIMO quarterly gross margin is currently -0.24% below its historical high of 53.76% set on December 31, 2005
How does SIMO quarterly gross margin rank versus sector peers?: SIMO quarterly gross margin is higher than 61.51% of companies in Technology sector
When is SIMO next earnings release?: The next earnings release for SIMO is on February 2, 2027

Gross Margin Formula

Gross Margin = Gross Profit

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