Go Pro

System1 (SST) Stock Chart & Stock Price History

System1 logo
$3.15 -0.32 (-9.11%)
Closing price 09/23/2026 03:59 PM Eastern
Extended Trading
$3.18 +0.03 (+0.98%)
As of 09/23/2026 07:54 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 Massive. Learn more.

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 60.38%, with a year-to-date return of -19.75%. In the past month, the stock has increased 64.27%, reflecting recent market activity.

As of the latest close, System1 traded at $3.15 with a market cap of $33.09 million and volume of 331,709 shares.

Receive SST Stock News and Ratings via Email

Sign-up to receive the latest news and ratings for System1 and its competitors with MarketBeat's FREE daily newsletter.

SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
5 Day
Performance
-3.72%
1 Month
Performance
+64.27%
3 Month
Performance
+32.52%
Year-To-Date
Performance
-19.75%
1 Year
Performance
-60.38%

SST Stock Chart for Thursday, September, 24, 2026

System1 Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/23/2026$3.44$3.15
-8.18%
$3.70$3.08331,709 shs$33.09 million
09/22/2026$3.96$3.44
-13.26%
$4.15$3.39242,581 shs$36.03 million
09/21/2026$3.28$3.96
+20.88%
$4.38$3.22834,902 shs$41.54 million
09/18/2026$3.21$3.28
+2.02%
$3.53$3.06339,608 shs$34.36 million
09/17/2026$3.11$3.21
+3.38%
$3.24$3.06134,779 shs$33.68 million
09/16/2026$3.26$3.11
-4.84%
$3.31$3.04166,693 shs$32.58 million
09/15/2026$3.23$3.26
+1.05%
$3.35$3.15196,668 shs$34.24 million
09/14/2026$3.42$3.23
-5.64%
$3.51$3.21290,315 shs$33.88 million
09/11/2026$3.88$3.42
-11.85%
$4.18$3.41372,089 shs$35.91 million
09/10/2026$4.35$3.88
-10.78%
$4.70$3.73653,442 shs$40.73 million
09/09/2026$5.02$4.35
-13.24%
$5.15$4.301.01 million shs$45.65 million
09/08/2026$3.75$5.02
+33.71%
$5.45$3.816.14 million shs$52.62 million
09/07/2026$3.75$3.75$4.45$3.422.00 million shs$39.35 million
09/04/2026$3.66$3.75
+2.50%
$4.45$3.422.00 million shs$39.35 million
09/03/2026$2.97$3.66
+23.27%
$3.87$3.162.12 million shs$38.39 million
09/02/2026$2.74$2.97
+8.36%
$3.30$2.681.76 million shs$31.14 million
09/01/2026$2.18$2.74
+25.53%
$2.85$2.282.14 million shs$28.74 million
08/31/2026$1.88$2.18
+16.14%
$2.63$1.919.08 million shs$22.90 million
08/28/2026$1.84$1.88
+2.42%
$1.92$1.8140,980 shs$19.72 million
08/27/2026$1.86$1.84
-1.34%
$1.94$1.8257,075 shs$19.25 million
08/26/2026$1.90$1.86
-1.85%
$2.01$1.8591,863 shs$19.51 million
08/25/2026$1.92$1.90
-1.30%
$1.94$1.7589,907 shs$19.88 million
08/24/2026$1.96$1.92
-2.04%
$2.00$1.79139,345 shs$20.14 million

This page (NYSE:SST) was last updated on 9/23/2026 by MarketBeat.com Staff.
From Our Partners