System1, Inc. (SST)
NYSE: SST · Real-Time Price · USD
3.770
+0.210 (5.90%)
Nov 18, 2025, 3:08 PM EST - Market open

System1 Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Nov 18, 20253.813.823.423.64-2.25%10,532
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
Oct 17, 20257.147.246.716.836.83-4.21%13,982
Oct 16, 20257.697.947.137.137.13-9.17%45,060
Oct 15, 20257.888.187.337.857.85-1.13%38,308
Oct 14, 20257.498.197.497.947.943.52%17,706
Oct 13, 20257.707.927.567.677.67-0.78%19,625
Oct 10, 20257.748.097.607.737.73-1.65%18,539
Oct 9, 20257.917.977.587.867.86-0.38%6,406
Oct 8, 20257.898.137.657.897.893.54%13,341
Oct 7, 20258.148.147.507.627.62-4.99%15,295
Oct 6, 20257.938.397.718.028.020.88%26,151
Oct 3, 20257.489.307.487.957.954.33%78,659
Oct 2, 20257.217.957.087.627.626.87%22,211
Oct 1, 20257.007.166.707.137.131.28%30,666
Sep 30, 20257.117.236.947.047.04-3.69%18,890
Sep 29, 20257.387.497.167.317.31-0.95%13,659
Sep 26, 20257.237.567.117.387.380.54%8,314
Sep 25, 20257.897.896.967.347.34-7.44%24,274
Sep 24, 20258.058.207.737.937.93-0.38%14,107
Sep 23, 20258.629.057.707.967.96-8.08%33,723
Sep 22, 20258.448.798.308.668.662.97%27,260
Sep 19, 20258.538.738.278.418.41-4.76%45,674
Sep 18, 20258.849.278.508.838.835.62%54,296
Sep 17, 20258.698.728.218.368.36-1.18%27,988
Sep 16, 20258.928.968.318.468.46-4.51%22,632
Sep 15, 20258.839.008.598.868.86-0.67%49,942
Sep 12, 20258.688.998.418.928.921.94%51,660
Sep 11, 20258.008.828.008.758.758.02%59,003
Sep 10, 20257.998.227.678.108.102.79%33,030