SST:NYSE, System1, Inc.

SST stock overview

System1, Inc. (SST:NYSE) closed at $2.09 on October 23, 2026, down 2.79% on the day. The stock trades 68.3% below its 52-week high of $6.60 and 54.8% above its 52-week low of $1.35. Over the past year, it lost 66.1%. System1, Inc. is part of the Consumer Services sector.

Key figures

Price
$2.09
Day change
-2.79%
Volume
29,024
Average volume
551,857
Market cap
18M+
52-week range
$1.35 – $6.60
50-day average
$2.65
200-day average
$2.90

Price action over the past year

In 252 trading sessions since October 23, 2025, SST closed higher on 101 days (40%). Its best day was March 27, 2026 (+142.34%) and its worst was April 2, 2026 (-31.61%). The stock moved 10% or more in a single session 40 times. It opened at least 5% above the previous day's high 3 times.

Recent signals

SST news

About System1, Inc.

System1 Inc is a minority-owned facility services company, offering janitorial, project management, snow removal, and landscaping services.

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Based on end-of-day data. For information only, not investment advice.