Synlogic (SYBX) Stock Chart & Stock Price History $1.40 +0.04 (+2.87%) Closing price 08/8/2025 03:56 PM EasternExtended Trading$1.40 +0.00 (+0.07%) As of 08/8/2025 05:46 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 AnalysisChartCompetitorsEarningsInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Synlogic Stock Price Performance The Synlogic (SYBX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 4.11%, with a year-to-date return of 0.00%. In the past month, the stock has increased 12.90%, reflecting recent market activity. As of the latest close, Synlogic traded at $1.40 with a market cap of $16.38 million and volume of 27,231 shares. Five years ago, the stock traded at a split-adjusted price of $32.25, representing a 95.66% decrease over that period. At the time, it had a market cap of $72.25 million and a volume of 10,062 shares. Receive SYBX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Synlogic and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-6.67%1 Month Performance+12.90%3 Month Performance+25.00%Year-To-Date Performance0.00%1 Year Performance-4.11%5 Year Performance-95.66% SYBX Stock Chart for Saturday, August, 9, 2025 SYBX Chart by TradingView Synlogic 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 Capitalization08/08/2025$1.36$1.40+2.87%$1.44$1.3327,231 shs$16.38 million08/07/2025$1.38$1.36-1.38%$1.38$1.362,820 shs$15.92 million08/06/2025$1.40$1.38-1.43%$1.45$1.3625,264 shs$16.15 million08/05/2025$1.50$1.40-6.67%$1.50$1.3784,198 shs$16.38 million08/04/2025$1.48$1.50+1.35%$1.53$1.4327,564 shs$17.55 million08/01/2025$1.54$1.48-3.90%$1.54$1.4538,062 shs$17.32 million07/31/2025$1.52$1.54+1.32%$1.59$1.5119,237 shs$18.01 million07/30/2025$1.54$1.52-1.30%$1.64$1.5196,751 shs$17.78 million07/29/2025$1.62$1.54-4.94%$1.65$1.5383,140 shs$18.02 million07/28/2025$1.59$1.62+1.89%$1.67$1.5556,706 shs$18.95 million Get the Latest News and Ratings for SYBX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Synlogic and its competitors with MarketBeat's FREE daily newsletter. 07/25/2025$1.67$1.59-4.79%$1.71$1.5513,251 shs$18.60 million07/24/2025$1.60$1.67+4.37%$1.71$1.5347,271 shs$19.54 million07/23/2025$1.60$1.60$1.72$1.5519,627 shs$18.72 million07/22/2025$1.67$1.60-4.45%$1.76$1.5648,610 shs$18.71 million07/21/2025$1.74$1.67-3.76%$1.88$1.62237,546 shs$19.59 million07/18/2025$1.69$1.74+2.96%$1.96$1.66286,460 shs$20.36 million07/17/2025$1.51$1.69+11.92%$1.74$1.51314,416 shs$19.77 million07/16/2025$1.32$1.51+14.39%$1.57$1.35228,915 shs$17.66 million07/15/2025$1.23$1.32+7.76%$1.62$1.20390,420 shs$15.44 million07/14/2025$1.23$1.23$1.25$1.1912,844 shs$14.33 million07/11/2025$1.22$1.23+0.33%$1.25$1.202,054 shs$14.33 million07/10/2025$1.24$1.22-1.53%$1.25$1.203,054 shs$14.29 million07/09/2025$1.19$1.24+4.20%$1.24$1.231,793 shs$14.50 million07/08/2025$1.19$1.19$1.27$1.198,124 shs$13.92 million Related Companies MiNK Therapeutics Stock Chart PMV Pharmaceuticals Stock Chart Quantum Biopharma Stock Chart Avalo Therapeutics Stock Chart Barinthus Biotherapeutics Stock Chart MediciNova Stock Chart Celularity Stock Chart Assertio Stock Chart InterCure Stock Chart Opus Genetics Stock Chart Receive SYBX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Synlogic and its competitors with MarketBeat's FREE daily newsletter. 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According to my research, an executive order from President Trump c...Weiss Ratings | 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 Synlogic, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Synlogic 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. 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