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Silicon Motion Technology Corporation (SIMO)

Nasdaq · American depositary receipt

$221.84+8.14 (+3.81%)

As of Oct 21, 2:16 PM ET15 min delayedAbout 15 minutes behind the market. Every member plan is real time.

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SIMO at a glance

Key statistics

$7.25B

Market capitalization

Previous close
$213.70
Open
$218.60
Day range
$214.33 – $224.21
Volume
295.7K
Average volume (30 sessions)
729.7K
Shares outstanding
33.91M
Beta (1 year, vs SPY)
2.31

Where the price sits in its year

52-week range

52% of the range

Below the 52-week high
-37.5%
Above the 52-week low
+178.1%

Completed sessions through Oct 20, 2026

Technical snapshot

Below its 50-day average, above its 200-day

20-day average
$258.73-17.4%
50-day average
$255.90-16.5%
200-day average
$210.90+1.3%
RSI (14)32.4

Between the conventional 30 and 70 bands.

-13.4%

1 week

-20.6%

1 month

-24.1%

3 months

+130.5%

Year to date

+127.0%

1 year

Price change over each window, from completed sessions. Past performance does not indicate future results.

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What members do with SIMO

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SIMO on Pro Charting

Every intraday interval in real time, the drawing kit and the full set of technical studies on SIMO.

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Analysis Tools Only

Set a price line on SIMO

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Stock Alerts + Tools

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From the public news wire

SIMO headlines

Market news →

SEC Form 4, most recent first

Insider filings

How to read these →

  • SHIEH HAN-PING

    −1.0K

    Director · Open-market sale

    $301.25K · Jun 2, 2026

  • LIN KUAN-MING

    −1.0K

    Director · Open-market sale

    $300.00K · Jun 17, 2026

  • LIN KUAN-MING

    −1.0K

    Director · Open-market sale

    $320.31K · Jun 18, 2026

  • SHIEH HAN-PING

    −1.0K

    Director · Open-market sale

    $328.00K · Jun 18, 2026

  • LIN KUAN-MING

    −1.0K

    Director · Open-market sale

    $310.01K · Jun 17, 2026

  • DUANN SHII TYNG

    −1.5K

    Director · Open-market sale

    $367.50K · May 6, 2026

About Silicon Motion Technology Corporation

Silicon Motion Technology Corp is engaged in developing NAND flash controllers for SSDs and other solid-state storage devices. Its only operating segment is to develop NAND flash controllers and SSD solutions. The company derives revenue from product categories such as Mobile Storage, Mobile Communications, and others. Silicon's geographical segments are Taiwan, the United States, Korea, China, Singapore, Malaysia, and others. The company's products are used in Personal Computing, Smartphone/Tablet/CE, Flash Card/USB Flash Drive, Industrial and Embedded, Automotive, and Enterprise and Data centers.

Exchange
Nasdaq
Security
American depositary receipt
Employees
2,009
Listed since
Jun 30, 2005
Website
siliconmotion.com
Educational content only. MadStockAlerts provides market commentary, research, and educational content. It is not personalized investment advice, and nothing here is a recommendation to buy or sell any security. Trading and investing involve substantial risk, including loss of capital. See the Risk Disclosure and Customer Agreement.

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