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ClearSign Technologies Corporation (CLIR)

Industrials | Pollution & Treatment Controls | Tulsa, United States | NasdaqCM
3.62 USD -0.09 (-2.426%) ⇩ (July 13, 2026, 4 p.m. EDT)

Short-term:★☆☆☆☆Long-term:⯪☆☆☆☆Dividends:☆☆☆☆☆
Hot Take | July 11, 2026, 6:28 a.m. EDT

The investment case for ClearSign is severely compromised by deteriorating fundamentals and a broken business model. The company is currently burning cash, with operating and free cash flows deeply negative, while revenue has contracted by more than half year-over-year. The balance sheet shows significant distress, with debt-to-equity exceeding 1.8 and negative returns on both assets and equity. The stock has suffered an catastrophic 88.5% decline over the last nine years, reflecting a market that has repeatedly rejected the company's value proposition. Although a recent public offering and a single large order provide some narrative relief, the core metrics—negative earnings, shrinking sales, and cash destruction—indicate a failing enterprise rather than a turnaround candidate. With no dividend to cushion the blow and no options flow to suggest a catalyst, the outlook remains bleak.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoARIMA ✓0.167041
MSTL0.199868
AutoTheta0.202249
AutoETS0.203943

Forecast horizon: 45 days | Selected: AutoARIMA

Forecast Reliability
Score 29%
H-stat 8.63
Ljung-Box p 0.000
Jarque-Bera p 0.419
Excess Kurtosis -0.61
Attribute Value
Sector Industrials
Debt to Equity Ratio 1.836
Revenue per Share 0.9
Market Cap 22,832,986
Forward P/E -4.86
Beta 1.36
Profit Margins -111.66%
Website https://www.clearsign.com

As of July 11, 2026, 6:28 a.m. EDT: Options activity is virtually dormant with negligible volume and open interest across both calls and puts. Implied volatility is flat at zero for calls, while put IV sits at 4.66% but lacks any positioning. This absence of speculative flow suggests a lack of near-term directional conviction among traders.


Info Dump

Attribute Value
52 Week Change -0.31698114
Address1 8,023 East 63 Place
Address2 Suite 101
All Time High 138.7
All Time Low 3.24
Ask 4.64
Ask Size 2
Average Daily Volume10 Day 12,540
Average Daily Volume3 Month 17,218
Average Volume 17,218
Average Volume10Days 12,540
Beta 1.364
Bid 2.63
Bid Size 2
Book Value 1.409
City Tulsa
Compensation As Of Epoch Date 1,767,139,200
Country United States
Crypto Tradeable 0
Currency USD
Current Price 3.62
Current Ratio 4.046
Custom Price Alert Confidence HIGH
Date Short Interest 1,782,777,600
Day High 3.785
Day Low 3.6097
Debt To Equity 1.836
Display Name ClearSign
Earnings Call Timestamp End 1,779,307,200
Earnings Call Timestamp Start 1,779,307,200
Earnings Timestamp 1,778,848,200
Earnings Timestamp End 1,786,624,200
Earnings Timestamp Start 1,786,624,200
Ebitda -6,508,000
Ebitda Margins -1.29538
Enterprise To Ebitda -1.844
Enterprise To Revenue 2.388
Enterprise Value 11,997,731
Eps Current Year -0.985
Eps Forward -0.745
Eps Trailing Twelve Months -0.11
Esg Populated 0
Exchange NCM
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 4.285
Fifty Day Average Change -0.66499996
Fifty Day Average Change Percent -0.15519252
Fifty Two Week Change Percent -31.698114
Fifty Two Week High 11.2
Fifty Two Week High Change -7.58
Fifty Two Week High Change Percent -0.6767857
Fifty Two Week Low 3.24
Fifty Two Week Low Change 0.37999988
Fifty Two Week Low Change Percent 0.11728391
Fifty Two Week Range 3.24 - 11.2
Financial Currency USD
First Trade Date Milliseconds 1,335,360,600,000
Float Shares 4,457,195
Forward Eps -0.745
Forward P E -4.8590603
Free Cashflow -3,716,125
Full Exchange Name NasdaqCM
Full Time Employees 15
Gmt Off Set Milliseconds -14,400,000
Gross Margins 0.16620001
Gross Profits 835,000
Has Pre Post Market Data 1
Held Percent Insiders 0.05045
Held Percent Institutions 0.19771999
Implied Shares Outstanding 6,307,455
Industry Pollution & Treatment Controls
Industry Disp Pollution & Treatment Controls
Industry Key pollution-treatment-controls
Is Earnings Date Estimate 0
Language en-US
Last Fiscal Year End 1,767,139,200
Last Split Date 1,773,619,200
Last Split Factor 1:10
Long Business Summary ClearSign Technologies Corporation designs and develops products and technologies for the purpose of decarbonization and improving key performance characteristics of industrial and commercial systems in the United States and the People's Republic of China. The company's technologies include ClearSign core burner technology consists of an industrial burner body and a downstream porous ceramic or metal flame stabilizing structure; ClearSign core process burner technology that provides a direct burner replacement for traditional refinery process heaters; ClearSign core boiler burner technology; ClearSign core flaring burners that can be used to provide a flare product with extremely low nitrogen oxide emissions; and ClearSign eye flame sensor, an electrical flame sensor for industrial applications. It serves energy, institutional, commercial and industrial boiler, chemical, and petrochemical industries. ClearSign Technologies Corporation was formerly known as ClearSign Combustion Corporation and changed its name to ClearSign Technologies Corporation in November 2019. The company was incorporated in 2008 and is headquartered in Tulsa, Oklahoma.
Long Name ClearSign Technologies Corporation
Market us_market
Market Cap 22,832,986
Market State PRE
Max Age 86,400
Message Board Id finmb_119118786
Most Recent Quarter 1,774,915,200
Net Income To Common -5,610,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 22,832,987
Number Of Analyst Opinions 1
Open 3.705
Operating Cashflow -4,973,000
Operating Margins -11.93194
Payout Ratio 0.0
Phone 918 500 7312
Pre Market Change 0.0
Pre Market Change Percent 0.0
Pre Market Price 3.62
Pre Market Time 1,784,027,004
Previous Close 3.71
Price Eps Current Year -3.6751268
Price Hint 4
Price To Book 2.569198
Price To Sales Trailing12 Months 4.544782
Profit Margins -1.11664
Quick Ratio 3.647
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change -0.0900002
Regular Market Change Percent -2.42588
Regular Market Day High 3.785
Regular Market Day Low 3.6097
Regular Market Day Range 3.6097 - 3.785
Regular Market Open 3.705
Regular Market Previous Close 3.71
Regular Market Price 3.62
Regular Market Time 1,783,972,801
Regular Market Volume 16,701
Return On Assets -0.3433
Return On Equity -0.57058996
Revenue Growth -0.524
Revenue Per Share 0.9
Sand P52 Week Change 0.20365608
Sector Industrials
Sector Disp Industrials
Sector Key industrials
Shares Outstanding 6,307,455
Shares Percent Shares Out 0.0034999999
Shares Short 22,041
Shares Short Previous Month Date 1,780,012,800
Shares Short Prior Month 26,590
Short Name ClearSign Technologies Corporat
Short Percent Of Float 0.0041
Short Ratio 1.48
Source Interval 15
State OK
Symbol CLIR
Target High Price 20.0
Target Low Price 20.0
Target Mean Price 20.0
Target Median Price 20.0
Total Cash 7,736,000
Total Cash Per Share 1.429
Total Debt 140,000
Total Revenue 5,024,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -0.11
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 6.11335
Two Hundred Day Average Change -2.49335
Two Hundred Day Average Change Percent -0.4078533
Type Disp Equity
Volume 16,701
Website https://www.clearsign.com
Zip 74,133