Power Integrations (POWI) Stock Chart & Stock Price History $45.40 +0.48 (+1.07%) Closing price 04/17/2025 03:59 PM EasternExtended Trading$45.40 0.00 (0.00%) As of 04/17/2025 04:07 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Power Integrations Stock Price Performance 5 Day Performance+0.69%1 Month Performance-20.72%3 Month Performance-27.03%6 Month Performance-29.15%Year-To-Date Performance-26.42%1 Year Performance-29.02% Receive POWI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Power Integrations and its competitors with MarketBeat's FREE daily newsletter. Email Address POWI Stock Chart for Friday, April, 18, 2025 POWI Chart by TradingView Power Integrations Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/17/2025$44.92$45.40+1.07%$45.45$44.34380,096 shs$2.58 billion04/16/2025$45.56$44.92-1.40%$45.21$43.45383,055 shs$2.55 billion04/15/2025$45.99$45.56-0.93%$46.62$45.32436,650 shs$2.59 billion04/14/2025$45.09$45.99+2.00%$47.14$44.60640,510 shs$2.61 billion04/11/2025$44.61$45.09+1.08%$45.32$42.77627,222 shs$2.56 billion04/10/2025$48.33$44.61-7.70%$46.44$43.11619,036 shs$2.54 billion04/09/2025$42.13$48.33+14.72%$48.64$41.37979,320 shs$2.75 billion04/09/2025$42.13$48.33+14.72%$48.64$41.37979,320 shs$2.75 billion04/08/2025$43.28$42.13-2.66%$45.00$40.781.10 million shs$2.46 billion04/08/2025$43.28$42.13-2.66%$45.00$40.781.10 million shs$2.46 billion Get the Latest News and Ratings for POWI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Power Integrations and its competitors with MarketBeat's FREE daily newsletter. 04/07/2025$43.68$43.28-0.92%$46.38$41.111.54 million shs$2.46 billion04/04/2025$44.90$43.68-2.72%$44.50$41.191.34 million shs$2.48 billion04/03/2025$51.32$44.90-12.51%$51.96$44.85782,751 shs$2.55 billion04/02/2025$51.24$51.32+0.16%$52.15$50.09517,129 shs$2.92 billion04/01/2025$50.50$51.24+1.47%$53.02$48.93753,094 shs$2.91 billion03/31/2025$50.98$50.50-0.94%$51.23$49.57808,892 shs$2.87 billion03/28/2025$54.55$50.98-6.54%$54.42$50.95544,662 shs$2.90 billion03/27/2025$55.35$54.55-1.45%$55.34$53.83443,124 shs$3.10 billion03/26/2025$55.74$55.35-0.70%$55.97$54.78258,523 shs$3.15 billion03/25/2025$56.45$55.74-1.26%$56.91$55.61307,473 shs$3.17 billion03/24/2025$54.88$56.45+2.86%$57.22$54.52345,555 shs$3.21 billion03/21/2025$55.59$54.88-1.28%$55.56$54.04808,084 shs$3.12 billion03/20/2025$57.16$55.59-2.75%$56.92$55.54466,677 shs$3.16 billion03/19/2025$57.27$57.16-0.19%$57.98$56.57328,590 shs$3.25 billion03/18/2025$57.72$57.27-0.78%$57.95$56.48344,157 shs$3.26 billion03/17/2025$57.25$57.72+0.82%$58.08$56.59421,886 shs$3.29 billion Related Companies ALTR Stock Price Chart SWKS Stock Price Chart MTSI Stock Price Chart LSCC Stock Price Chart RMBS Stock Price Chart CRUS Stock Price Chart SLAB Stock Price Chart SMTC Stock Price Chart AMBA Stock Price Chart DIOD Stock Price Chart Receive POWI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Power Integrations and its competitors with MarketBeat's FREE daily newsletter. 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