Latest Ratios: P/E Ratio -4.0x · EV/EBITDA N/A · ROE -47.2%. (2009–2025 historical series)
Price-based multiples — how expensive the stock is relative to earnings, sales, book value, and cash flow
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Market Cap | $21M | $31M | $70M | $43M | $19M | $43M | $82M | $20M | $23M | $55M | $44M |
| Enterprise Value | $12M | $22M | $57M | $37M | $13M | $36M | $73M | $12M | $15M | $54M | $43M |
| P/E Ratio → | -3.97 | — | — | — | — | — | — | — | — | — | — |
| P/S Ratio | 4.06 | 5.90 | 19.60 | 17.78 | 51.02 | 71.00 | — | — | 43.84 | 102.43 | 70.79 |
| P/B Ratio | 2.29 | 3.24 | 5.12 | 8.23 | 2.00 | 5.20 | 8.55 | 2.20 | 1.38 | 22.74 | 19.59 |
| P/FCF | — | — | — | — | — | — | — | — | — | — | — |
| P/OCF | — | — | — | — | — | — | — | — | — | — | — |
P/E links to full P/E history page with 30-year chart
Enterprise-value multiples — capital-structure-neutral measures of total business value
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EV / Revenue | — | 4.17 | 15.75 | 15.52 | 34.74 | 59.38 | — | — | 27.53 | 100.78 | 69.57 |
| EV / EBITDA | — | — | — | — | — | — | — | — | — | — | — |
| EV / EBIT | — | — | — | — | — | — | — | — | — | — | — |
| EV / FCF | — | — | — | — | — | — | — | — | — | — | — |
Margins and return-on-capital ratios measuring operating efficiency
Full margin charts and quarterly trend are on the Earnings History page
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 27.2% | 27.2% | 31.1% | 34.0% | 31.0% | -74.5% | — | — | 19.4% | 29.6% | 21.9% |
| Operating Margin | -113.4% | -113.4% | -180.4% | -248.9% | -1573.5% | -1341.8% | — | — | -1805.8% | -1798.5% | -1804.3% |
| Net Profit Margin | -105.0% | -105.0% | -147.4% | -216.1% | -1539.6% | -1299.8% | — | — | -1792.5% | -1792.6% | -1799.2% |
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | -47.2% | -47.2% | -55.9% | -70.5% | -64.6% | -88.5% | -72.9% | -64.3% | -98.6% | -414.0% | -150.8% |
| ROA | -39.1% | -39.1% | -45.0% | -56.0% | -56.8% | -77.0% | -62.0% | -56.8% | -83.6% | -243.6% | -124.2% |
| ROIC | -2060.8% | -2060.8% | — | -279.4% | -188.2% | -467.0% | -391.6% | -136.0% | -147.4% | -481.3% | -545.5% |
| ROCE | -50.6% | -50.6% | -67.4% | -79.0% | -63.9% | -87.2% | -70.4% | -64.6% | -97.9% | -398.8% | -151.2% |
Solvency and debt-coverage ratios — lower is generally safer
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.02 | 0.02 | 0.01 | 0.05 | 0.04 | 0.07 | 0.07 | 0.06 | 0.02 | 0.15 | 0.22 |
| Debt / EBITDA | — | — | — | — | — | — | — | — | — | — | — |
| Net Debt / Equity | — | -0.95 | -1.01 | -1.05 | -0.64 | -0.85 | -0.85 | -0.86 | -0.51 | -0.37 | -0.34 |
| Net Debt / EBITDA | — | — | — | — | — | — | — | — | — | — | — |
| Debt / FCF | — | — | — | — | — | — | — | — | — | — | — |
| Interest Coverage | — | — | — | — | — | — | — | — | — | — | — |
Net cash position: cash ($9M) exceeds total debt ($163000)
Short-term solvency ratios and asset-utilisation metrics
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Current Ratio | 4.34 | 4.34 | 7.28 | 2.89 | 8.49 | 10.98 | 8.69 | 6.92 | 10.03 | 1.17 | 1.23 |
| Quick Ratio | 4.34 | 4.34 | 7.28 | 2.89 | 8.49 | 10.98 | 8.69 | 6.92 | 10.03 | 1.17 | 1.23 |
| Cash Ratio | 3.55 | 3.55 | 6.88 | 2.52 | 7.90 | 10.41 | 8.17 | 6.59 | 9.70 | 0.81 | 0.82 |
| Asset Turnover | — | 0.43 | 0.23 | 0.32 | 0.03 | 0.06 | — | — | 0.03 | 0.13 | 0.16 |
| Inventory Turnover | — | — | — | — | — | — | — | — | — | — | — |
| Days Sales Outstanding | — | 94.84 | 36.44 | 72.15 | 96.62 | 43.29 | — | — | 26.86 | 124.37 | 60.54 |
Earnings, FCF, buyback, and dividend yields — total returns to shareholders
Full dividend history and growth charts are on the Dividend History page
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend Yield | — | — | — | — | — | — | — | — | — | — | — |
| Payout Ratio | — | — | — | — | — | — | — | — | — | — | — |
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Earnings Yield | — | — | — | — | — | — | — | — | — | — | — |
| FCF Yield | — | — | — | — | — | — | — | — | — | — | — |
| Buyback Yield | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Total Shareholder Yield | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Shares Outstanding | — | $6M | $5M | $4M | $4M | $3M | $3M | $3M | $2M | $2M | $1M |
Persistent operational cash burn
Based on current market data, CLIR trades at a P/S multiple of 3.74, which appears to reflect a speculative premium on future emissions-related technology adoption rather than a valuation grounded in current earnings, as the company lacks a positive P/E or meaningful EBITDA to support traditional valuation metrics.
The absence of positive earnings multiples suggests that investors are pricing the company as a binary outcome play on regulatory mandates rather than a standard industrial equipment manufacturer. This valuation approach warrants caution, as the lack of a forward P/E or PEG ratio indicates that the market is not yet pricing in a clear path to profitability or sustainable growth.
As reported in financial statements, CLIR's ROIC has remained consistently negative, reaching -6.3% in 2026Q1, which indicates that the company is currently destroying shareholder value rather than compounding it through its core industrial combustion technology investments and ongoing research and development initiatives.
The persistent negative return on capital suggests that the firm's current scale is insufficient to generate returns that exceed its cost of capital. Investors should monitor whether the company can achieve a positive ROIC inflection point as it moves from R&D-heavy phases toward broader commercial deployment of its proprietary burner systems.
According to quarterly data, the company's asset turnover ratio has languished at 0.02 in 2026Q1, reflecting a significant disconnect between the firm's asset base and its ability to generate meaningful revenue, which highlights the structural challenges in scaling its specialized, project-based industrial technology business model.
The extreme volatility in DSO and DPO metrics suggests that the company lacks consistent leverage over its supply chain and customer payment cycles. This inefficiency appears to be a byproduct of the project-based nature of its contracts, which creates lumpy revenue recognition and unpredictable cash conversion cycles.
Based on recent filings, the company maintains a current ratio of 3.85, which appears adequate on the surface, yet this liquidity position is being steadily eroded by persistent operating losses that necessitate careful monitoring of the firm's remaining cash runway to avoid future dilutive financing events.
While the current ratio suggests a lack of immediate solvency risk, the underlying cash burn indicates that the company's liquidity is not being replenished by operations. The reliance on existing cash reserves to fund ongoing R&D and overhead suggests that the company remains vulnerable to capital market conditions.
The P/S ratio is frequently misapplied to CLIR, as it obscures the reality that the company is essentially a materials science licensing play rather than a traditional hardware manufacturer, making standard industrial revenue multiples an unreliable indicator of the firm's true long-term commercial potential or intrinsic value.
Investors should instead focus on technology adoption milestones and licensing revenue growth, as these metrics better capture the value of the company's IP portfolio. Relying on P/S multiples may lead to an underestimation of the potential margin expansion that could occur if the company successfully shifts to a less capital-intensive licensing model.
Includes 30+ ratios · 17 years · Updated daily
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Quick answers to the most common questions about buying CLIR stock.
ClearSign Technologies Corporation's current P/E ratio is -4.0x. This places it at the 50th percentile of its historical range.
ClearSign Technologies Corporation's return on equity (ROE) is -47.2%. The historical average is -115.6%.
Based on historical data, ClearSign Technologies Corporation is trading at a P/E of -4.0x. This is at the 50th percentile of its historical P/E range. Compare with industry peers and growth rates for a complete picture.
ClearSign Technologies Corporation has 27.2% gross margin and -113.4% operating margin.