SST
System1, Inc.
NYSE · Industrials · Specialty Business Services · US
$3.33
+3.42%Price chart
Aug 19Aug 24Aug 27Sep 1Sep 4Sep 10Sep 15Sep 18
Key dataSep 18, 2026
Open$3.22
From 52W high−62.29%
Volume339359.00
Market cap$29.00M
P/E (TTM)—
P/S (TTM)0.2x
Div yield—
Key dataSep 18, 2026
Open
$3.22
From 52W high
−62.29%
Volume
339359.00
Market cap
$29.00M
ValuationView details →
P/E (Fwd)
—
EV/EBITDA
15.1x
P/E (TTM)
—
RSI (14)
57.2
MomentumView details →
1D Return
+3.42%
YTD Return
−12.24%
SummaryUpdated Jun 1, 2026
System1, Inc. (NASDAQ:SST) is a Los Angeles-based technology company founded in 2013 that operates a responsive acquisition marketing platform. The company went public in August 2020 and has evolved from a broader digital marketing and subscription business into a focused advertising technology platform. System1 combines data science and technology to connect advertisers with consumers across various digital channels, while also operating several owned consumer brands including search engines, coupon platforms, and mapping services.
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Latest newsMore news →
System1 Group PLC launched Test Your Ad Screen, an AI-enabled screening tool that provides rapid predictions of advertisement commercial effectiveness, expanding its Test Your Ad platform.24d agoSystem1 reported second-quarter 2026 revenue of $30.2 million, down 61% year-over-year and 19% sequentially, due to reduced owned-and-operated marketing activity and weaker Google monetization.40d agoSystem1 launched Dogpile Fetch, a web search API and MCP server for AI agents, under its Dogpile brand.59d ago