System1, Inc. (SST) stock

SSTNYSEServices-Computer Programming, Data Processing, Etc.Fiscal year ends December 31Also trades as SSTPW

Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 12, 2026Score 3/30

$0.98−0.69 (-41.31%)

Close on Nov 13, 2026Market cap $10.28MP/E –Yield –

System1 operating margin

Operating margin is operating income as a percentage of revenue.

System1's operating margin for the twelve months ending Sep 30, 2026 was -103.0%. For fiscal 2025 it was -23.3%, against -25.8% the year before.

Period	Period end	Value	Change (pts)
FY2025	Dec 31, 2025	-23.3%	+2.4
FY2024	Dec 31, 2024	-25.8%	−4.4
FY2023	Dec 31, 2023	-21.4%	−28.8
FY2021	Dec 31, 2021	7.4%	–

Change is against the same quarter a year earlier.

Period	Period end	Value	Change (pts)
Q3 FY2026	Sep 30, 2026	-280.9%	−255.6
Q2 FY2026	Jun 30, 2026	-27.5%	−7.1
Q1 FY2026	Mar 31, 2026	-137.1%	−119.5
Q4 FY2025	Dec 31, 2025	-33.6%	−17.8
Q3 FY2025	Sep 30, 2025	-25.3%	−0.7
Q2 FY2025	Jun 30, 2025	-20.4%	+10.4
Q1 FY2025	Mar 31, 2025	-17.6%	+12.8
Q4 FY2024	Dec 31, 2024	-15.7%	+4.1
Q3 FY2024	Sep 30, 2024	-24.6%	−0.8
Q2 FY2024	Jun 30, 2024	-30.8%	−8.2
Q1 FY2024	Mar 31, 2024	-30.4%	−10.4
Q4 FY2023	Dec 31, 2023	-19.8%	+206.5
Q3 FY2023	Sep 30, 2023	-23.7%	−9.6
Q2 FY2023	Jun 30, 2023	-22.5%	−26.3
Q1 FY2023	Mar 31, 2023	-20.0%	−29.4
Q3 FY2022	Sep 30, 2022	-226.4%	−236.0
Q2 FY2022	Jun 30, 2022	-14.2%	−21.6
Q4 FY2021	Dec 31, 2021	3.8%	–
Q3 FY2021	Sep 30, 2021	9.3%	–
Q2 FY2021	Jun 30, 2021	9.6%	–
Q1 FY2021	Mar 31, 2021	7.4%	–