Infineon Technologies (IFNNY) Stock Chart & Stock Price History $38.47 -0.32 (-0.82%) As of 10/8/2025 04:00 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartDividendEarningsHeadlinesInsider TradesSEC FilingsShort InterestBuy This Stock Infineon Technologies Stock Price Performance The Infineon Technologies (IFNNY) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 15.18%, with a year-to-date return of 18.62%. In the past month, the stock has increased 2.50%, reflecting recent market activity. As of the latest close, Infineon Technologies traded at $38.47 with a market cap of $50.24 billion and volume of 221,331 shares. Five years ago, the stock traded at $32.59, representing a 18.04% increase over that period. At the time, it had a market cap of $42.56 billion and a volume of 131,416 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-3.73%1 Month Performance+2.50%3 Month Performance-13.82%Year-To-Date Performance+18.62%1 Year Performance+15.18%5 Year Performance+18.04% IFNNY Stock Chart for Thursday, October, 9, 2025 IFNNY Chart by TradingView Infineon Technologies 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 Capitalization10/08/2025$38.79$38.47-0.82%$38.47$38.03221,331 shs$50.24 billion10/07/2025$39.91$38.79-2.81%$39.44$38.61220,412 shs$50.66 billion10/06/2025$39.96$39.91-0.13%$40.05$39.19174,168 shs$52.12 billion10/03/2025$40.18$39.96-0.55%$40.30$39.78133,256 shs$52.18 billion10/02/2025$39.61$40.18+1.44%$40.80$39.9861,032 shs$52.47 billion10/01/2025$39.08$39.61+1.36%$39.72$39.22102,983 shs$51.73 billion09/30/2025$38.61$39.08+1.22%$39.08$38.54116,998 shs$51.04 billion09/29/2025$38.04$38.61+1.50%$38.77$38.50413,047 shs$50.42 billion09/26/2025$38.89$38.04-2.19%$38.37$37.68521,427 shs$49.68 billion09/25/2025$39.17$38.89-0.70%$39.00$38.52150,340 shs$50.79 billion Get the Latest News and Ratings for IFNNY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Infineon Technologies and its competitors with MarketBeat's FREE daily newsletter. 09/24/2025$39.66$39.17-1.25%$39.40$38.80203,251 shs$51.15 billion09/23/2025$39.09$39.66+1.46%$40.18$39.55160,689 shs$51.79 billion09/22/2025$38.86$39.09+0.59%$39.13$38.34150,765 shs$51.05 billion09/19/2025$39.66$38.86-2.02%$38.94$38.67168,815 shs$50.75 billion09/18/2025$38.56$39.66+2.85%$39.69$39.00134,030 shs$51.79 billion09/17/2025$38.29$38.56+0.71%$38.97$37.98113,626 shs$50.36 billion09/16/2025$38.34$38.29-0.13%$38.48$38.02130,400 shs$50.00 billion09/15/2025$37.22$38.34+3.01%$38.63$37.92285,065 shs$50.07 billion09/12/2025$37.51$37.22-0.77%$37.31$37.02562,278 shs$48.61 billion09/11/2025$37.04$37.51+1.27%$37.75$37.301.02 million shs$48.99 billion09/10/2025$37.53$37.04-1.31%$37.62$37.02697,836 shs$48.37 billion09/09/2025$37.64$37.53-0.29%$37.66$37.38681,184 shs$49.01 billion09/08/2025$37.28$37.64+0.97%$37.86$37.44486,125 shs$49.15 billion Related Companies ARM Stock Price Chart Vertiv Stock Price Chart NXP Semiconductors Stock Price Chart L3Harris Technologies Stock Price Chart Ubiquiti Stock Price Chart Astera Labs Stock Price Chart Ericsson Stock Price Chart Celestica Stock Price Chart COMSovereign Stock Price Chart Nokia Stock Price Chart Receive IFNNY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Infineon Technologies and its competitors with MarketBeat's FREE daily newsletter. 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