System1, Inc. (SST)
NYSE: SST · Real-Time Price · USD
3.320
+1.950 (142.34%)
At close: Mar 27, 2026, 4:00 PM EDT
2.740
-0.580 (-17.47%)
After-hours: Mar 27, 2026, 7:59 PM EDT

System1 Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 27, 20261.414.751.413.323.32142.34%87,827,002
Mar 26, 20261.461.581.351.371.37-8.67%43,164
Mar 25, 20261.501.631.481.501.505.63%44,023
Mar 24, 20261.581.661.401.421.42-11.25%51,150
Mar 23, 20261.821.851.491.601.60-7.51%114,652
Mar 20, 20261.701.861.521.731.7314.57%100,582
Mar 19, 20261.701.741.481.511.51-11.18%25,997
Mar 18, 20261.661.811.661.701.70-1.16%17,928
Mar 17, 20261.801.931.601.721.72-6.52%29,176
Mar 16, 20262.012.011.751.841.84-8.46%74,853
Mar 13, 20262.282.401.802.012.01-4.29%61,541
Mar 12, 20262.422.571.952.102.10-17.00%85,297
Mar 11, 20262.822.822.532.532.53-9.64%13,330
Mar 10, 20262.912.912.632.802.80-3.45%20,568
Mar 9, 20262.952.952.802.902.90-5.54%14,813
Mar 6, 20263.133.132.823.073.07-3.76%22,067
Mar 5, 20263.163.202.893.193.193.57%18,275
Mar 4, 20263.133.253.013.083.08-1.28%11,429
Mar 3, 20263.053.123.023.123.12-3.11%1,598
Mar 2, 20263.333.532.953.223.22-2.72%12,577
Feb 27, 20263.443.513.183.313.31-1.19%11,294
Feb 26, 20263.223.373.223.353.354.36%5,819
Feb 25, 20263.373.503.163.213.21-2.13%8,014
Feb 24, 20263.313.343.213.283.28-0.61%3,404
Feb 23, 20263.573.573.303.303.30-6.01%5,953
Feb 20, 20263.253.513.233.513.515.12%4,306
Feb 19, 20263.343.493.343.343.34-0.89%4,902
Feb 18, 20263.243.413.113.373.375.64%24,322
Feb 17, 20263.293.363.193.193.19-3.92%5,954
Feb 13, 20263.403.503.273.323.321.84%5,687
Feb 12, 20263.513.513.263.263.26-5.78%5,219
Feb 11, 20263.673.703.463.463.46-6.74%6,647
Feb 10, 20263.713.713.713.713.713.63%1,346
Feb 9, 20263.723.723.453.583.58-2.19%6,787
Feb 6, 20263.793.863.593.663.66-5.86%6,567
Feb 5, 20263.953.953.743.893.89-3.04%6,036
Feb 4, 20264.074.073.874.014.010.30%5,441
Feb 3, 20264.074.253.894.004.001.99%7,968
Feb 2, 20263.983.983.923.923.92-1.26%2,235
Jan 30, 20264.214.213.903.973.97-4.11%8,397
Jan 29, 20264.094.224.094.144.140.98%7,171
Jan 28, 20264.174.504.094.104.10-1.91%3,829
Jan 27, 20264.184.324.154.184.18-2.56%3,470
Jan 26, 20264.504.544.244.294.29-5.71%8,085
Jan 23, 20264.344.604.314.554.553.41%8,046
Jan 22, 20264.444.564.344.404.405.26%3,703
Jan 21, 20264.234.514.134.184.181.46%9,109
Jan 20, 20264.094.314.094.124.12-2.37%6,929
Jan 16, 20264.404.534.024.224.22-4.95%23,560
Jan 15, 20264.284.564.284.444.440.91%5,447