IO Biotech (IOBT) Stock Chart & Stock Price History $1.48 -0.07 (-4.52%) Closing price 06/10/2025 04:00 PM EasternExtended Trading$1.44 -0.04 (-2.70%) As of 05:06 AM 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 12.12%, with a year-to-date return of 60.87%. In the past month, the stock has increased 48.00%, reflecting recent market activity. As of the latest close, IO Biotech traded at $1.48 with a market cap of $97.50 million and volume of 178,441 shares. 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Email Address 5 Day Performance-7.50%1 Month Performance+48.00%3 Month Performance+67.80%Year-To-Date Performance+60.87%1 Year Performance+12.12% IOBT Stock Chart for Wednesday, June, 11, 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 Capitalization06/10/2025$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 million05/29/2025$1.19$1.21+1.68%$1.23$1.1778,747 shs$79.72 million05/28/2025$1.14$1.19+4.39%$1.23$1.14185,494 shs$78.40 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. 05/27/2025$1.21$1.14-5.79%$1.29$1.09296,396 shs$75.10 million05/26/2025$1.21$1.21$1.28$1.17154,436 shs$79.72 million05/23/2025$1.20$1.21+0.83%$1.28$1.17154,436 shs$79.72 million05/22/2025$1.11$1.20+8.11%$1.29$1.13410,810 shs$79.06 million05/21/2025$1.03$1.11+7.77%$1.14$1.01148,461 shs$73.13 million05/20/2025$1.04$1.03-0.96%$1.05$1.0176,899 shs$67.86 million05/19/2025$0.98$1.04+6.12%$1.05$0.9985,290 shs$68.52 million05/16/2025$1.02$0.98-3.92%$1.03$0.9785,711 shs$64.56 million05/15/2025$0.98$1.02+4.08%$1.03$0.9368,963 shs$67.20 million05/14/2025$1.00$0.98-2.00%$1.05$0.98119,924 shs$64.56 million05/13/2025$1.03$1.00-2.91%$1.07$0.9786,366 shs$65.88 million05/12/2025$1.00$1.03+3.00%$1.07$0.9998,682 shs$67.86 million Related Companies Atyr PHARMA Stock Chart Ginkgo Bioworks Stock Chart Sage Therapeutics Stock Chart MeiraGTx Stock Chart COMPASS Pathways Stock Chart Humacyte Stock Chart Mereo BioPharma Group Stock Chart Erasca Stock Chart ABIVAX Société Anonyme Stock Chart Benitec Biopharma 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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