IO Biotech (IOBT) Stock Chart & Stock Price History $1.38 -0.01 (-0.72%) Closing price 04:00 PM EasternExtended Trading$1.38 0.00 (0.00%) As of 04:04 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock IO Biotech Stock Price Performance The IO Biotech (IOBT) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 23.21%, with a year-to-date return of 50.00%. In the past month, the stock has remained steady at 0.00%, reflecting recent market activity. As of the latest close, IO Biotech traded at $1.39 with a market cap of $91.57 million and volume of 165,840 shares. 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Email Address 5 Day Performance-6.76%1 Month Performance0.00%3 Month Performance+38.53%Year-To-Date Performance+50.00%1 Year Performance+23.21% IOBT Stock Chart for Tuesday, July, 1, 2025 IOBT Chart by TradingView IO Biotech 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 Capitalization06/30/2025$1.44$1.39-3.47%$1.49$1.35165,840 shs$91.57 million06/27/2025$1.48$1.44-2.70%$1.52$1.41145,095 shs$94.87 million06/26/2025$1.51$1.48-1.99%$1.55$1.45156,800 shs$97.50 million06/25/2025$1.39$1.51+8.63%$1.51$1.41140,745 shs$99.48 million06/24/2025$1.30$1.39+6.92%$1.39$1.30162,497 shs$91.57 million06/23/2025$1.30$1.30$1.32$1.2650,682 shs$85.64 million06/20/2025$1.30$1.30$1.31$1.2557,790 shs$85.65 million06/19/2025$1.30$1.30$1.35$1.26136,553 shs$85.64 million06/18/2025$1.32$1.30-1.52%$1.35$1.26136,553 shs$85.64 million06/17/2025$1.32$1.32$1.38$1.30110,670 shs$86.96 million Get the Latest News and Ratings for IOBT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for IO Biotech and its competitors with MarketBeat's FREE daily newsletter. 06/16/2025$1.35$1.32-2.22%$1.40$1.30171,353 shs$86.96 million06/13/2025$1.50$1.35-10.00%$1.50$1.20383,060 shs$88.94 million06/12/2025$1.50$1.50$1.57$1.4993,424 shs$98.82 million06/11/2025$1.48$1.50+1.35%$1.55$1.47102,532 shs$98.82 million06/10/2025$1.55$1.48-4.52%$1.60$1.45178,441 shs$97.50 million06/09/2025$1.60$1.55-3.13%$1.61$1.47240,373 shs$102.12 million06/06/2025$1.50$1.60+6.67%$1.60$1.50182,415 shs$105.41 million06/05/2025$1.45$1.50+3.45%$1.54$1.46132,574 shs$98.82 million06/04/2025$1.51$1.45-3.97%$1.64$1.41192,399 shs$95.53 million06/03/2025$1.62$1.51-6.79%$1.70$1.50412,318 shs$99.48 million06/02/2025$1.38$1.62+17.39%$1.65$1.47637,207 shs$106.73 million05/30/2025$1.21$1.38+14.05%$1.45$1.19492,968 shs$90.92 million Related Companies Terns Pharmaceuticals Stock Chart Arcturus Therapeutics Stock Chart Compass Therapeutics Stock Chart Astria Therapeutics Stock Chart SNDL Stock Chart Gossamer Bio Stock Chart MBX Biosciences Stock Chart Aquestive Therapeutics Stock Chart CryoPort Stock Chart Inventiva Stock Chart Receive IOBT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for IO Biotech and its competitors with MarketBeat's FREE daily newsletter. 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