ClearSign Technologies CLIR
NASDAQ CLIR
$4.22 -0.17 (-3.83%)
As of: Sep 9, 2026 · 2:16 PM EDT

ClearSign Technologies (CLIR) FCF Margin (2015 - 2026)

ClearSign Technologies' (CLIR) quarterly FCF Margin came in at 220.71% in Q2 2026, up 16350.0% on a YoY basis from N/an in Q2 2025, and up 68.73% quarter-over-quarter from 705.76% in Q1 2026.

Analysis

ClearSign Technologies (CLIR) FCF Margin (2015 - 2026) Analysis & Trends

ClearSign Technologies (CLIR) has reported FCF Margin for 10 consecutive years, with 220.71% the latest figure, recorded in Q2 2026.

  • For the quarter ending Q2 2026, FCF Margin rose 16350.0% year-over-year to 220.71%; the trailing twelve-month figure through Jun 2026 stood at 104.53% (up 1263.0% YoY), and the FY2025 full-year result was 90.56%, up 3213.0% from the prior year.
  • FCF Margin climbed to 220.71% in Q2 2026 per CLIR's latest filing, from 705.76% in the prior quarter.
  • Across five years, FCF Margin topped out at 30.67% in Q2 2023 and bottomed at 3386.67% in Q2 2024.
  • Historically, FCF Margin has averaged 551.52% across 5 years, with a median of 199.33% in 2025.
  • The sharpest annual moves came in 2024 and 2025: FCF Margin plunged 341733 bps in 2024, then jumped 300246 bps in 2025.
  • Over 5 years, FCF Margin stood at 1466.0% in 2022, then jumped by 92 bps to 113.81% in 2023, then soared by 35 bps to 73.9% in 2024, then surged by 53 bps to 34.95% in 2025, then plunged by 532 bps to 220.71% in 2026.
  • According to Business Quant data, FCF Margin over the past three periods registered 220.71%, 705.76%, and 34.95% for Q2 2026, Q1 2026, and Q4 2025 respectively.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) FCF Margin (Qtr)
1 Ceco Environmental 3.38 Bn 3.32 Bn 86.47 Mn -8.50%
2 LanzaTech Global 69.38 Mn 24.40 Mn 5.24 Mn -
3 Fuel Tech 52.38 Mn 32.77 Mn 2.68 Mn -14.97%
4 374Water 44.02 Mn 44.02 Mn 1.98 Mn -
5 Birchtech 25.98 Mn 14.14 Mn 1.03 Mn -76.83%
6 ClearSign Technologies 25.03 Mn 15.14 Mn 228,000.00 -220.71%
7 Liqtech International 14.78 Mn -877,775.52 365,539.00 -71.12%
8 TOMI Environmental Solutions 13.22 Mn 12.67 Mn 1.39 Mn -70.95%
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 -220.71%
Mar 31, 2026 -705.76%
Dec 31, 2025 -34.95%
Sep 30, 2025 -177.94%
Jun 30, 2025 -384.21%
Mar 31, 2025 -278.05%
Dec 31, 2024 -73.90%
Sep 30, 2024 -77.08%
Jun 30, 2024 -3,386.67%
Mar 31, 2024 -90.83%
Dec 31, 2023 -113.81%
Sep 30, 2023 -1,500.00%
Jun 30, 2023 30.67%
Mar 31, 2023 -61.97%
Dec 31, 2022 -1,466.00%
Sep 30, 2022 -283.02%
Dec 31, 2021 -2,170.37%
Sep 30, 2021 -1,004.74%
Mar 31, 2021 -431.68%
Mar 31, 2018 -351.32%