Silicon Motion Technology (SIMO) Stock Chart & Stock Price History $76.43 +2.23 (+3.01%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$76.32 -0.12 (-0.15%) As of 08/22/2025 05:25 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Silicon Motion Technology Stock Price Performance The Silicon Motion Technology (SIMO) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 19.29%, with a year-to-date return of 41.41%. In the past month, the stock has increased 4.41%, reflecting recent market activity. As of the latest close, Silicon Motion Technology traded at $76.43 with a market cap of $2.60 billion and volume of 123,021 shares. Five years ago, the stock traded at $37.69, representing a 102.79% increase over that period. At the time, it had a market cap of $1.40 billion and a volume of 216,755 shares. Receive SIMO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Silicon Motion Technology and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+1.65%1 Month Performance+4.41%3 Month Performance+19.98%Year-To-Date Performance+41.41%1 Year Performance+19.29%5 Year Performance+102.79% SIMO Stock Chart for Saturday, August, 23, 2025 SIMO Chart by TradingView Silicon Motion Technology Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization08/22/2025$74.20$76.43+3.01%$76.46$73.58123,021 shs$2.60 billion08/21/2025$74.14$74.20+0.08%$75.26$73.19153,006 shs$2.52 billion08/20/2025$73.66$74.14+0.65%$74.19$71.35234,321 shs$2.52 billion08/19/2025$75.19$73.66-2.03%$75.38$72.95193,782 shs$2.50 billion08/18/2025$73.67$75.19+2.06%$75.34$72.15196,186 shs$2.56 billion08/15/2025$75.48$73.67-2.40%$74.97$73.32185,354 shs$2.50 billion08/14/2025$76.64$75.48-1.51%$75.98$74.96188,344 shs$2.57 billion08/13/2025$77.40$76.64-0.98%$78.12$75.27488,513 shs$2.60 billion08/12/2025$75.04$77.40+3.14%$77.45$75.58151,392 shs$2.63 billion08/11/2025$76.38$75.04-1.75%$77.77$74.79185,939 shs$2.55 billion Get the Latest News and Ratings for SIMO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Silicon Motion Technology and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025$74.50$76.38+2.52%$77.23$73.63257,859 shs$2.60 billion08/07/2025$76.59$74.50-2.73%$76.98$73.73244,088 shs$2.53 billion08/06/2025$74.76$76.59+2.45%$76.88$73.04266,700 shs$2.60 billion08/05/2025$76.51$74.76-2.29%$77.28$74.68427,753 shs$2.54 billion08/04/2025$76.42$76.51+0.12%$78.00$75.99310,803 shs$2.60 billion08/01/2025$76.54$76.42-0.16%$77.12$73.86447,161 shs$2.60 billion07/31/2025$76.64$76.54-0.13%$85.11$75.851.39 million shs$2.60 billion07/30/2025$77.43$76.64-1.02%$79.78$75.58591,519 shs$2.60 billion07/29/2025$75.79$77.43+2.16%$78.11$75.64454,388 shs$2.63 billion07/28/2025$72.80$75.79+4.11%$76.58$73.00356,331 shs$2.58 billion07/25/2025$73.84$72.80-1.41%$74.99$72.58216,405 shs$2.47 billion07/24/2025$73.20$73.84+0.87%$74.11$71.52250,691 shs$2.51 billion07/23/2025$71.86$73.20+1.86%$73.76$72.02219,945 shs$2.49 billion07/22/2025$74.67$71.86-3.76%$75.03$71.16272,590 shs$2.44 billion Related Companies NXT Stock Price Chart QRVO Stock Price Chart LITE Stock Price Chart OLED Stock Price Chart SITM Stock Price Chart ALGM Stock Price Chart TSEM Stock Price Chart PI Stock Price Chart LPL Stock Price Chart COMM Stock Price Chart Receive SIMO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Silicon Motion Technology and its competitors with MarketBeat's FREE daily newsletter. 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