System1, Inc. (SST)
NYSE: SST · Real-Time Price · USD
4.320
+0.020 (0.47%)
Dec 30, 2025, 4:00 PM EST - Market closed

System1 Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Dec 30, 20254.264.414.164.324.320.47%19,216
Dec 29, 20254.594.664.224.304.30-6.72%16,225
Dec 26, 20254.774.774.544.614.61-10,756
Dec 24, 20254.364.644.364.614.61-1.07%3,273
Dec 23, 20254.554.754.494.664.662.85%16,058
Dec 22, 20254.554.774.404.534.53-0.42%15,681
Dec 19, 20254.474.634.404.554.551.79%9,402
Dec 18, 20254.224.614.184.474.476.68%31,512
Dec 17, 20254.294.294.104.194.190.24%33,523
Dec 16, 20254.154.294.074.184.180.72%10,905
Dec 15, 20254.374.374.154.154.15-5.47%12,872
Dec 12, 20254.304.574.134.394.393.78%13,668
Dec 11, 20254.124.694.054.234.231.93%62,625
Dec 10, 20254.255.004.154.154.15-2.35%52,676
Dec 9, 20254.384.504.104.254.25-2.52%19,894
Dec 8, 20254.235.254.124.364.365.83%131,882
Dec 5, 20253.964.283.964.124.125.10%37,492
Dec 4, 20253.834.203.833.923.921.03%13,188
Dec 3, 20253.614.003.543.883.887.18%32,695
Dec 2, 20253.703.813.613.623.62-4.23%11,701
Dec 1, 20253.734.013.693.783.78-14,118
Nov 28, 20253.643.953.643.783.783.00%7,715
Nov 26, 20253.493.753.493.673.674.86%23,096
Nov 25, 20253.463.623.453.503.50-0.28%12,600
Nov 24, 20253.373.593.243.513.514.46%12,907
Nov 21, 20253.453.613.083.363.36-2.04%50,704
Nov 20, 20253.433.593.423.433.430.29%25,792
Nov 19, 20253.924.333.423.423.42-11.17%31,674
Nov 18, 20253.813.973.423.853.858.15%17,249
Nov 17, 20253.533.823.493.563.56-0.56%23,730
Nov 14, 20253.593.933.463.583.58-2.19%33,677
Nov 13, 20253.844.043.563.663.66-7.81%23,647
Nov 12, 20254.254.333.973.973.97-8.31%23,378
Nov 11, 20254.414.614.274.334.33-1.81%21,725
Nov 10, 20254.684.954.364.414.41-5.16%17,992
Nov 7, 20254.354.684.354.654.653.79%21,719
Nov 6, 20255.205.204.404.484.48-18.84%75,370
Nov 5, 20255.596.055.525.525.52-2.99%25,791
Nov 4, 20255.635.855.545.695.69-1.39%4,694
Nov 3, 20255.665.815.475.775.772.12%6,808
Oct 31, 20255.385.755.255.655.658.03%16,607
Oct 30, 20255.495.635.215.235.23-7.60%12,407
Oct 29, 20255.755.895.585.665.66-2.25%14,597
Oct 28, 20256.106.145.755.795.79-6.31%10,453
Oct 27, 20256.256.606.066.186.180.32%25,886
Oct 24, 20256.096.355.906.166.163.53%8,009
Oct 23, 20256.016.275.785.955.952.06%31,607
Oct 22, 20256.847.085.705.835.83-15.14%67,138
Oct 21, 20256.916.996.736.876.87-0.72%18,207
Oct 20, 20256.817.266.816.926.921.32%40,486