Synlogic (SYBX) Stock Chart & Stock Price History $1.71 -0.03 (-1.72%) Closing price 04:00 PM EasternExtended Trading$1.72 +0.01 (+0.58%) As of 06:32 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 increased 13.25%, with a year-to-date return of 22.14%. In the past month, the stock has increased 15.54%, reflecting recent market activity. As of the latest close, Synlogic traded at $1.74 with a market cap of $20.36 million and volume of 49,337 shares. Five years ago, the stock traded at a split-adjusted price of $32.70, representing a 94.77% decrease over that period. At the time, it had a market cap of $74.48 million and a volume of 4,470 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. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance+7.55%1 Month Performance+15.54%3 Month Performance+39.02%Year-To-Date Performance+22.14%1 Year Performance+13.25%5 Year Performance-94.77% SYBX Stock Chart for Wednesday, September, 17, 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 Capitalization09/17/2025$1.74$1.71-1.72%$1.76$1.7113,107 shs$20.01 million09/16/2025$1.65$1.74+5.75%$1.77$1.6749,337 shs$20.36 million09/15/2025$1.59$1.65+3.48%$1.65$1.5631,765 shs$19.25 million09/12/2025$1.47$1.59+8.16%$1.60$1.5046,993 shs$18.60 million09/11/2025$1.50$1.47-2.00%$1.54$1.474,595 shs$17.20 million09/10/2025$1.48$1.50+1.35%$1.54$1.4531,438 shs$17.55 million09/09/2025$1.47$1.48+0.68%$1.50$1.468,581 shs$17.20 million09/08/2025$1.46$1.47+0.68%$1.50$1.456,380 shs$17.20 million09/05/2025$1.46$1.46$1.48$1.4510,812 shs$17.08 million09/04/2025$1.49$1.46-2.01%$1.58$1.4448,230 shs$17.08 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. 09/03/2025$1.46$1.49+2.05%$1.50$1.4416,351 shs$17.43 million09/02/2025$1.46$1.46$1.46$1.4117,920 shs$17.08 million09/01/2025$1.46$1.46$1.48$1.449,218 shs$17.08 million08/29/2025$1.48$1.46-1.35%$1.48$1.449,218 shs$17.08 million08/28/2025$1.46$1.48+1.37%$1.48$1.455,516 shs$17.32 million08/27/2025$1.46$1.46$1.48$1.4315,865 shs$17.08 million08/26/2025$1.48$1.46-1.35%$1.48$1.4126,524 shs$17.08 million08/25/2025$1.46$1.48+1.37%$1.48$1.4335,515 shs$17.32 million08/22/2025$1.40$1.46+4.29%$1.52$1.4410,579 shs$17.08 million08/21/2025$1.40$1.40$1.50$1.3823,889 shs$16.38 million08/20/2025$1.40$1.40$1.67$1.3817,114 shs$16.38 million08/19/2025$1.44$1.40-2.44%$1.50$1.4010,047 shs$16.38 million08/18/2025$1.48$1.44-3.04%$1.57$1.4237,746 shs$16.79 million Related Companies Applied Therapeutics Stock Chart MiNK Therapeutics Stock Chart VolitionRx Stock Chart ALX Oncology Stock Chart Adlai Nortye Stock Chart Celularity Stock Chart Genenta Science Stock Chart MediciNova Stock Chart Gain Therapeutics Stock Chart ABVC BioPharma 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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