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CLIRClearSign Technologies Corporation
$3.93$21M
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  4. Financial Ratios

ClearSign Technologies Corporation (CLIR) Financial Ratios

Latest Ratios: P/E Ratio -4.0x · EV/EBITDA N/A · ROE -47.2%. (2009–2025 historical series)

Income StatementBalance SheetCash FlowRatios
AnnualQuarterly

CLIR Valuation Multiples

Price-based multiples — how expensive the stock is relative to earnings, sales, book value, and cash flow

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 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 Ratio4.065.9019.6017.7851.0271.00——43.84102.4370.79
P/B Ratio2.293.245.128.232.005.208.552.201.3822.7419.59
P/FCF———————————
P/OCF———————————

P/E links to full P/E history page with 30-year chart

CLIR EV Ratios

Enterprise-value multiples — capital-structure-neutral measures of total business value

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
EV / Revenue—4.1715.7515.5234.7459.38——27.53100.7869.57
EV / EBITDA———————————
EV / EBIT———————————
EV / FCF———————————

CLIR Profitability

Margins and return-on-capital ratios measuring operating efficiency

Margins

Full margin charts and quarterly trend are on the Earnings History page

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Gross Margin27.2%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%

Return on Capital

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 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%

CLIR Leverage & Debt

Solvency and debt-coverage ratios — lower is generally safer

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Debt / Equity0.020.020.010.050.040.070.070.060.020.150.22
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)

CLIR Liquidity & Efficiency

Short-term solvency ratios and asset-utilisation metrics

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Current Ratio4.344.347.282.898.4910.988.696.9210.031.171.23
Quick Ratio4.344.347.282.898.4910.988.696.9210.031.171.23
Cash Ratio3.553.556.882.527.9010.418.176.599.700.810.82
Asset Turnover—0.430.230.320.030.06——0.030.130.16
Inventory Turnover———————————
Days Sales Outstanding—94.8436.4472.1596.6243.29——26.86124.3760.54

CLIR Shareholder Yields

Earnings, FCF, buyback, and dividend yields — total returns to shareholders

Dividends

Full dividend history and growth charts are on the Dividend History page

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Dividend Yield———————————
Payout Ratio———————————

Total Shareholder Return Metrics

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Earnings Yield———————————
FCF Yield———————————
Buyback Yield0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Total Shareholder Yield0.0%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

Key Metrics

Growth RegimeMixed
ProfitabilityNegative
Balance SheetAdequate
Cash FlowBurning
Top Statement Risk

Persistent operational cash burn

Verified Source

Metrics are mathematically derived from official filings.

SEC 10-K (2026Q1)

Speculative Pricing Amidst Revenue Volatility

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.

Capital Efficiency Hindered by Losses

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.

Working Capital Management Remains Erratic

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.

Liquidity Buffer Facing Sustained Erosion

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.

Misapplication of Traditional Revenue Multiples

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.

Download Financial Ratios Data

Includes 30+ ratios · 17 years · Updated daily

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CLIR — Frequently Asked Questions

Quick answers to the most common questions about buying CLIR stock.

What is ClearSign Technologies Corporation's P/E ratio?

ClearSign Technologies Corporation's current P/E ratio is -4.0x. This places it at the 50th percentile of its historical range.

What is ClearSign Technologies Corporation's ROE?

ClearSign Technologies Corporation's return on equity (ROE) is -47.2%. The historical average is -115.6%.

Is CLIR stock overvalued?

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.

What are ClearSign Technologies Corporation's profit margins?

ClearSign Technologies Corporation has 27.2% gross margin and -113.4% operating margin.