OmniAb (OABI) Stock Chart & Stock Price History $1.93 -0.11 (-5.39%) Closing price 04:00 PM EasternExtended Trading$1.98 +0.05 (+2.64%) As of 07:56 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock OmniAb Stock Price Performance The OmniAb (OABI) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 53.27%, with a year-to-date return of -45.48%. In the past month, the stock has decreased 0.77%, reflecting recent market activity. As of the latest close, OmniAb traded at $2.04 with a market cap of $249.16 million and volume of 263,274 shares. 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Email Address 5 Day Performance+1.05%1 Month Performance-0.77%3 Month Performance+24.52%Year-To-Date Performance-45.48%1 Year Performance-53.27% OABI Stock Chart for Wednesday, August, 6, 2025 OABI Chart by TradingView OmniAb 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 Capitalization08/06/2025$2.04$1.93-5.39%$2.08$1.90530,876 shs$235.73 million08/05/2025$1.95$2.04+4.62%$2.04$1.96263,274 shs$249.16 million08/04/2025$1.91$1.95+2.09%$2.00$1.89538,242 shs$238.17 million08/01/2025$1.91$1.91$1.93$1.83569,096 shs$233.29 million07/31/2025$1.95$1.91-2.05%$1.97$1.89603,556 shs$233.29 million07/30/2025$1.96$1.95-0.51%$2.03$1.92557,531 shs$238.16 million07/29/2025$2.06$1.96-4.85%$2.07$1.95605,593 shs$239.39 million07/28/2025$2.10$2.06-1.90%$2.14$2.06400,893 shs$251.61 million07/25/2025$2.12$2.10-0.94%$2.15$2.08205,408 shs$256.49 million07/24/2025$2.15$2.12-1.40%$2.17$2.10327,461 shs$258.93 million Get the Latest News and Ratings for OABI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for OmniAb and its competitors with MarketBeat's FREE daily newsletter. 07/23/2025$2.06$2.15+4.37%$2.19$2.08452,901 shs$262.60 million07/22/2025$1.98$2.06+4.04%$2.08$1.90485,707 shs$251.61 million07/21/2025$1.95$1.98+1.54%$2.06$1.95385,797 shs$241.84 million07/18/2025$1.96$1.95-0.51%$2.02$1.93644,930 shs$238.17 million07/17/2025$1.98$1.96-1.01%$2.02$1.94369,885 shs$239.39 million07/16/2025$1.95$1.98+1.54%$2.07$1.94725,493 shs$241.84 million07/15/2025$2.05$1.95-4.88%$2.09$1.93632,715 shs$238.16 million07/14/2025$2.03$2.05+0.99%$2.11$2.01527,508 shs$250.38 million07/11/2025$2.06$2.03-1.46%$2.09$1.93746,297 shs$247.93 million07/10/2025$2.20$2.06-6.36%$2.21$2.03711,197 shs$251.61 million07/09/2025$2.07$2.20+6.28%$2.30$2.051.06 million shs$268.71 million07/08/2025$1.87$2.07+10.70%$2.10$1.861.20 million shs$252.82 million07/07/2025$1.95$1.87-3.86%$1.94$1.79718,374 shs$228.40 million Related Companies i3 Verticals Stock Price Chart Ibotta Stock Price Chart Next Technology Stock Price Chart Pursuit Attractions and Hospitality Stock Price Chart Riskified Stock Price Chart Fiverr International Stock Price Chart Cars.com Stock Price Chart NerdWallet Stock Price Chart NeoGenomics Stock Price Chart Montrose Environmental Group Stock Price Chart Receive OABI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for OmniAb and its competitors with MarketBeat's FREE daily newsletter. 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