Rallybio (RLYB) Stock Chart & Stock Price History $0.63 +0.03 (+5.39%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$0.63 0.00 (0.00%) As of 08/22/2025 06:01 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 Rallybio Stock Price Performance The Rallybio (RLYB) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 44.60%, with a year-to-date return of -34.79%. In the past month, the stock has increased 18.34%, reflecting recent market activity. As of the latest close, Rallybio traded at $0.63 with a market cap of $26.16 million and volume of 477,362 shares. Receive RLYB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Rallybio and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+0.19%1 Month Performance+18.34%3 Month Performance+90.10%Year-To-Date Performance-34.79%1 Year Performance-44.60% RLYB Stock Chart for Saturday, August, 23, 2025 RLYB Chart by TradingView Rallybio 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 Capitalization08/22/2025$0.59$0.63+5.39%$0.65$0.59477,362 shs$26.16 million08/21/2025$0.61$0.59-2.03%$0.61$0.57221,629 shs$24.82 million08/20/2025$0.57$0.61+6.56%$0.61$0.53278,521 shs$25.34 million08/19/2025$0.62$0.57-8.93%$0.64$0.56440,886 shs$23.78 million08/18/2025$0.60$0.62+3.44%$0.65$0.59480,737 shs$26.11 million08/15/2025$0.55$0.60+10.62%$0.61$0.541.02 million shs$25.24 million08/14/2025$0.54$0.55+1.98%$0.57$0.51250,283 shs$22.82 million08/13/2025$0.50$0.54+6.29%$0.55$0.49330,748 shs$22.37 million08/12/2025$0.50$0.50+1.35%$0.51$0.40595,264 shs$21.05 million08/11/2025$0.53$0.50-6.40%$0.53$0.49331,571 shs$20.68 million Get the Latest News and Ratings for RLYB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Rallybio and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025$0.51$0.53+3.91%$0.57$0.47474,879 shs$22.10 million08/07/2025$0.53$0.51-3.16%$0.52$0.48316,118 shs$21.26 million08/06/2025$0.55$0.53-3.70%$0.56$0.49443,617 shs$21.96 million08/05/2025$0.53$0.55+3.59%$0.59$0.53739,245 shs$22.80 million08/04/2025$0.54$0.53-1.12%$0.58$0.52708,927 shs$22.01 million08/01/2025$0.47$0.54+15.05%$0.56$0.43913,345 shs$22.26 million07/31/2025$0.48$0.47-3.12%$0.49$0.47162,002 shs$19.35 million07/30/2025$0.47$0.48+2.08%$0.50$0.45311,130 shs$19.97 million07/29/2025$0.50$0.47-6.65%$0.49$0.45375,175 shs$19.57 million07/28/2025$0.50$0.50+1.00%$0.53$0.48362,841 shs$20.96 million07/25/2025$0.52$0.50-4.83%$0.53$0.48292,773 shs$20.75 million07/24/2025$0.53$0.52-0.95%$0.53$0.49785,083 shs$21.80 million07/23/2025$0.49$0.53+8.34%$0.54$0.48745,515 shs$22.01 million07/22/2025$0.46$0.49+5.62%$0.51$0.45444,335 shs$20.32 million Related Companies Anixa Biosciences Stock Price Chart MacroGenics Stock Price Chart TScan Therapeutics Stock Price Chart Adagene Stock Price Chart Pliant Therapeutics Stock Price Chart Cardiol Therapeutics Stock Price Chart Alto Neuroscience Stock Price Chart ESSA Pharma Stock Price Chart Surrozen Stock Price Chart Immunic Stock Price Chart Receive RLYB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Rallybio and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:RLYB) was last updated on 8/23/2025 by MarketBeat.com Staff From Our PartnersBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Ma...The Oxford Club | SponsoredElon’s Secret Social Security BombshellTo All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...Banyan Hill Publishing | SponsoredThe $7 company helping Nvidia build the world’s first trillion-dollar robot …Michael Robinson has been at the forefront of the technology market for over 40 years. Spotting some profit...Weiss Ratings | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredTrump set to Boost Social Security Checks by 400%?If you're collecting or planning to collect social security... You should see this presentation about Presi...InvestorPlace | SponsoredThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | SponsoredAmazon’s big Bitcoin embarrassmentBitcoin just passed Amazon in total market cap — but most investors are missing the bigger opportunity. Whi...Brownstone Research | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Rallybio Corporation Please log in to your account or sign up in order to add this asset to your watchlist. Share Rallybio With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
MarketBeat All Access