ClearSign Technologies (CLIR) FCF Margin (2015 - 2026)
ClearSign Technologies (CLIR) reported FCF Margin of -220.71% for Q2 2026, up 163.50 percentage points from -384.21% a year earlier and up 485.04 percentage points from the prior quarter.
Powered by 
Analysis
ClearSign Technologies (CLIR) FCF Margin (2015 - 2026) Analysis & Trends
Over the twelve months ended Jun 30, 2026, ClearSign Technologies' FCF Margin came in at -104.53%, up 12.63 percentage points year-over-year; for FY2025, it was -90.56%, up 32.13 percentage points from FY2024.
- FCF Margin has increased for three consecutive years, with a four-year change of +1026.41 percentage points (FY2021 to FY2025).
- By year, FCF Margin came in at -122.69% in FY2024 (+11.85 pp), -134.54% in FY2023 (+1202.89 pp), -1337.43% in FY2022 (-220.46 pp) and -1116.97% in FY2021.
- Five-year quarterly FCF Margin spans a low of -3386.67% in Q2 2024 and a high of 30.67% in Q2 2023.
- Year over year, FCF Margin gained in five of the last eight quarters, with an average year-over-year change of +493.99 percentage points.
- The high point for year-over-year FCF Margin in five years was Q2 2025 (a gain of 3002.46 percentage points); the low point was Q2 2024 (a drop of 3417.33 percentage points).
- Per Business Quant data, the three quarters before Q2 2026 came in at -705.76% (Q1 2026), -34.95% (Q4 2025) and -177.94% (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | FCF Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Ecolab | 78.59 Bn | 70.36 Bn | 1.95 Bn | 11.08% |
| 2 | Xylem | 23.57 Bn | 19.05 Bn | 963.00 Mn | 8.60% |
| 3 | Veralto | 23.49 Bn | 16.14 Bn | 902.00 Mn | 22.25% |
| 4 | Badger Meter | 3.66 Bn | 2.93 Bn | 90.77 Mn | 9.84% |
| 5 | Ceco Environmental | 3.13 Bn | 2.96 Bn | 86.47 Mn | -8.50% |
| 6 | NWPX Infrastructure | 993.98 Mn | 955.45 Mn | 34.36 Mn | 6.18% |
| 7 | Energy Recovery | 343.89 Mn | 19.06 Mn | 8.96 Mn | 128.63% |
| 8 | Cadiz | 301.30 Mn | 269.74 Mn | -24,000.00 | - |
| 9 | AirJoule Technologies | 296.32 Mn | 175.95 Mn | - | - |
| 10 | ClearSign Technologies | 23.02 Mn | -14.27 Mn | 228,000.00 | -220.71% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| 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% |
API Access
ClearSign Technologies FCF Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=fcf-margin&ticker=CLIR&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "fcf-margin", "ticker": "CLIR", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=fcf-margin&ticker=CLIR&period=max&api_key=YOUR_API_KEY");
const data = await res.json();