System1 (SST) Stock Chart & Stock Price History $5.92 +0.09 (+1.48%) Closing price 03:57 PM EasternExtended Trading$5.92 +0.00 (+0.07%) As of 04:55 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 42.00%, with a year-to-date return of -34.14%. In the past month, the stock has decreased 25.54%, reflecting recent market activity. As of the latest close, System1 traded at $5.79 with a market cap of $57.39 million and volume of 67,133 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-14.58%1 Month Performance-25.54%3 Month Performance-17.10%Year-To-Date Performance-34.14%1 Year Performance-42.00% SST Stock Chart for Thursday, October, 23, 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 Capitalization10/22/2025$6.85$5.79-15.55%$7.07$5.7067,133 shs$57.39 million10/21/2025$7.01$6.85-2.28%$6.99$6.7318,207 shs$67.95 million10/20/2025$6.93$7.01+1.21%$7.26$6.8117,467 shs$69.50 million10/17/2025$7.20$6.93-3.81%$7.24$6.7113,982 shs$68.67 million10/16/2025$7.69$7.20-6.31%$7.94$7.1329,061 shs$71.42 million10/15/2025$8.00$7.69-3.94%$8.17$7.3337,235 shs$76.24 million10/14/2025$7.74$8.00+3.39%$8.19$7.4917,706 shs$79.32 million10/13/2025$7.82$7.74-1.05%$7.92$7.5618,520 shs$76.76 million10/10/2025$7.86$7.82-0.51%$8.09$7.6018,539 shs$77.57 million10/09/2025$7.85$7.86+0.13%$7.97$7.586,376 shs$77.97 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. 10/08/2025$7.57$7.85+3.70%$8.13$7.6513,336 shs$77.83 million10/07/2025$7.93$7.57-4.49%$8.14$7.5015,295 shs$75.09 million10/06/2025$7.94$7.93-0.11%$8.39$7.7126,150 shs$78.63 million10/03/2025$7.60$7.94+4.41%$9.30$7.4878,629 shs$78.72 million10/02/2025$7.11$7.60+6.89%$7.95$7.0822,211 shs$75.35 million10/01/2025$7.01$7.11+1.50%$7.16$6.7030,666 shs$70.53 million09/30/2025$7.33$7.01-4.49%$7.23$6.9418,890 shs$69.49 million09/29/2025$7.34$7.33-0.08%$7.49$7.1513,659 shs$72.72 million09/26/2025$7.32$7.34+0.25%$7.56$7.118,312 shs$72.78 million09/25/2025$7.96$7.32-8.02%$7.89$6.9624,274 shs$72.63 million09/24/2025$7.95$7.96+0.19%$8.20$7.7314,063 shs$78.96 million09/23/2025$8.68$7.95-8.47%$9.05$7.7033,723 shs$78.81 million09/22/2025$8.38$8.68+3.64%$8.79$8.3027,258 shs$86.11 million Related Companies ATGL Stock Price Chart SLP Stock Price Chart TBRG Stock Price Chart XPER Stock Price Chart GCL Stock Price Chart SMRT Stock Price Chart ARBE Stock Price Chart KLTR Stock Price Chart ONTF Stock Price Chart EB 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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