System1 (SST) Stock Chart & Stock Price History $8.92 +0.17 (+1.94%) Closing price 09/12/2025 03:58 PM EasternExtended Trading$8.60 -0.32 (-3.53%) As of 09/12/2025 07:57 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 TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock System1 Stock Price Performance The System1 (SST) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 30.31%, with a year-to-date return of -0.70%. In the past month, the stock has increased 49.41%, reflecting recent market activity. As of the latest close, System1 traded at $8.92 with a market cap of $88.49 million and volume of 51,573 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+14.95%1 Month Performance+49.41%3 Month Performance+131.99%Year-To-Date Performance-0.70%1 Year Performance-30.31% SST Stock Chart for Saturday, September, 13, 2025 SST Chart by TradingView System1 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 Capitalization09/12/2025$8.73$8.92+2.16%$8.98$8.4151,573 shs$88.49 million09/11/2025$8.10$8.73+7.86%$8.82$8.0059,003 shs$86.61 million09/10/2025$7.84$8.10+3.25%$8.22$7.6732,949 shs$80.26 million09/09/2025$7.76$7.84+1.03%$8.06$7.5135,686 shs$77.77 million09/08/2025$7.77$7.76-0.14%$7.85$7.5423,602 shs$76.98 million09/05/2025$7.43$7.77+4.59%$7.90$7.2431,275 shs$77.09 million09/04/2025$7.12$7.43+4.35%$7.49$6.9230,064 shs$73.67 million09/03/2025$6.84$7.12+4.09%$7.18$6.6239,610 shs$70.63 million09/02/2025$7.08$6.84-3.40%$7.25$6.7054,887 shs$67.85 million09/01/2025$7.08$7.08$7.80$6.9031,755 shs$70.21 million Get the Latest News and Ratings for SST and Related StocksEnter your email address below to receive the latest news and analysts' ratings for System1 and its competitors with MarketBeat's FREE daily newsletter. 08/29/2025$7.36$7.08-3.74%$7.80$6.9031,755 shs$70.21 million08/28/2025$7.47$7.36-1.47%$7.93$7.2261,369 shs$72.97 million08/27/2025$7.28$7.47+2.50%$7.96$7.2545,431 shs$74.06 million08/26/2025$8.16$7.28-10.68%$8.28$7.1858,327 shs$72.22 million08/25/2025$7.51$8.16+8.59%$8.32$6.7588,744 shs$80.90 million08/22/2025$6.74$7.51+11.51%$7.66$6.5180,770 shs$74.50 million08/21/2025$6.53$6.74+3.22%$7.46$6.1791,771 shs$66.81 million08/20/2025$6.62$6.53-1.36%$6.90$6.1287,589 shs$64.70 million08/19/2025$6.09$6.62+8.71%$6.85$5.9559,603 shs$65.62 million08/18/2025$5.80$6.09+4.91%$6.25$5.6536,489 shs$60.36 million08/15/2025$6.06$5.80-4.29%$5.99$5.7125,428 shs$57.30 million08/14/2025$5.97$6.06+1.51%$6.09$5.7434,995 shs$59.89 million08/13/2025$5.76$5.97+3.57%$6.20$5.5665,369 shs$58.98 million08/12/2025$5.72$5.76+0.77%$5.93$5.5228,425 shs$56.95 million08/11/2025$5.59$5.72+2.42%$5.77$5.4819,214 shs$56.53 million Related Companies TBRG Stock Price Chart XPER Stock Price Chart SLP Stock Price Chart SMRT Stock Price Chart GDEV Stock Price Chart EB Stock Price Chart INSE Stock Price Chart HCAT Stock Price Chart DOYU Stock Price Chart ONTF Stock Price Chart Receive SST Stock News and Ratings via EmailSign-up to receive the latest news and ratings for System1 and its competitors with MarketBeat's FREE daily newsletter. 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