ioneer (IONR) Stock Chart & Stock Price History $5.15 -0.16 (-3.01%) Closing price 04:00 PM EasternExtended Trading$5.15 0.00 (0.00%) As of 06:48 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 ForecastsChartCompetitorsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock ioneer Stock Price Performance The ioneer (IONR) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 30.12%, with a year-to-date return of 29.07%. In the past month, the stock has increased 40.33%, reflecting recent market activity. As of the latest close, ioneer traded at $5.31 with a market cap of and volume of 262,771 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-3.38%1 Month Performance+40.33%3 Month Performance+43.45%Year-To-Date Performance+29.07%1 Year Performance-30.12% IONR Stock Chart for Wednesday, October, 22, 2025 IONR Chart by TradingView ioneer 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 Capitalization10/21/2025$5.76$5.31-7.81%$5.73$5.20262,771 shs$0.0010/20/2025$5.33$5.76+8.07%$6.00$5.20388,780 shs$0.0010/17/2025$5.82$5.33-8.42%$5.75$5.03405,565 shs$0.0010/16/2025$6.64$5.82-12.35%$6.92$5.76546,065 shs$0.0010/15/2025$7.58$6.64-12.40%$7.62$6.50947,621 shs$0.0010/14/2025$7.41$7.58+2.29%$8.20$7.01848,398 shs$0.0010/13/2025$6.17$7.41+20.10%$7.77$6.17914,840 shs$0.0010/10/2025$6.88$6.17-10.32%$7.30$6.17913,822 shs$0.0010/09/2025$7.01$6.88-1.85%$7.36$6.79672,524 shs$0.0010/08/2025$5.94$7.01+18.01%$7.20$6.021.72 million shs$0.00 Get the Latest News and Ratings for IONR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ioneer and its competitors with MarketBeat's FREE daily newsletter. 10/07/2025$6.53$5.94-9.04%$6.30$5.81836,252 shs$0.0010/06/2025$4.75$6.53+37.47%$8.15$5.505.86 million shs$0.0010/03/2025$4.42$4.75+7.47%$4.93$4.61312,271 shs$0.0010/02/2025$4.30$4.42+2.79%$4.46$4.3083,516 shs$0.0010/01/2025$4.47$4.30-3.80%$4.49$4.20152,705 shs$0.0009/30/2025$4.40$4.47+1.59%$4.78$4.2175,032 shs$0.0009/29/2025$4.90$4.40-10.20%$4.62$4.22203,512 shs$0.0009/26/2025$4.59$4.90+6.75%$5.40$4.60772,854 shs$0.0009/25/2025$4.41$4.59+4.08%$4.93$4.00399,771 shs$0.0009/24/2025$3.53$4.41+24.93%$4.85$3.90360,751 shs$0.0009/23/2025$3.67$3.53-3.81%$3.75$3.5320,848 shs$0.0009/22/2025$3.57$3.67+2.80%$3.75$3.6010,480 shs$0.00 Related Companies TMC the metals Stock Price Chart BHP Group Stock Price Chart Vale Stock Price Chart Cameco Stock Price Chart Teck Resources Stock Price Chart MP Materials Stock Price Chart Sociedad Quimica y Minera Stock Price Chart Centrus Energy Stock Price Chart HudBay Minerals Stock Price Chart New Gold Stock Price Chart Receive IONR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ioneer and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:IONR) was last updated on 10/22/2025 by MarketBeat.com Staff From Our PartnersNEW LAW: Congress Approves Setup For Digital Dollar?Trump Ally Says Congress Approved the Setup for a Digital Dollar 2.0 But according to Rep. 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