Synlogic (SYBX) Stock Chart & Stock Price History $1.36 -0.02 (-1.38%) Closing price 08/7/2025 03:55 PM EasternExtended Trading$1.38 +0.02 (+1.77%) As of 08/7/2025 07:26 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 AnalysisChartCompetitorsEarningsHeadlinesInsider 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 13.32%, with a year-to-date return of -2.79%. In the past month, the stock has increased 14.36%, reflecting recent market activity. As of the latest close, Synlogic traded at $1.36 with a market cap of $15.92 million and volume of 2,820 shares. Five years ago, the stock traded at a split-adjusted price of $32.25, representing a 95.78% 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-8.05%1 Month Performance+14.36%3 Month Performance+19.27%Year-To-Date Performance-2.79%1 Year Performance-13.32%5 Year Performance-95.78% SYBX Stock Chart for Friday, August, 8, 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 Capitalization08/07/2025$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 million07/25/2025$1.67$1.59-4.79%$1.71$1.5513,251 shs$18.60 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. 07/24/2025$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 million07/07/2025$1.20$1.19-0.50%$1.24$1.1813,129 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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