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ClearSign Technologies Corporation (CLIR)

Industrials | Pollution & Treatment Controls | Tulsa, United States | NasdaqCM
2.60 USD +0.22 (9.260%) ⇧ (Oct. 16, 2026, 9:47 a.m. EDT)

Short-term:★☆☆☆☆Long-term:★☆☆☆☆Dividends:☆☆☆☆☆
Hot Take ↕ | Oct. 10, 2026, 7:22 a.m. EDT

The immediate outlook is severely clouded by a relentless multi-year price collapse. Despite a recent uptick in the latest annual comparison, the asset has lost 85.5% of its value over the last nine years, with six of those years seeing negative returns. This deep structural deterioration suggests the market has permanently reassessed the business quality downward, rendering any short-term technical bounce a risky trap rather than a genuine opportunity. Fundamentally, the company is bleeding cash, reporting negative operating margins and negative free cash flow, while relying on frequent equity offerings to stay afloat—a classic sign of capital starvation rather than organic growth. With no dividend to provide income and a balance sheet showing significant debt relative to equity, there is no safety net for investors. The recent news of private placements confirms the company is raising money from existing shareholders, further diluting value without addressing the core profitability issues. Avoid this security until there is clear, sustained evidence of a turnaround in both earnings and share price.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
MSTL ✓0.081714
AutoETS0.082926
AutoARIMA0.082927
AutoTheta0.094764

Forecast horizon: 45 days | Selected: MSTL

Forecast Reliability
Score 41%
H-stat 0.70
Ljung-Box p 0.000
Jarque-Bera p 0.307
Excess Kurtosis -1.09
Attribute Value
Sector Industrials
Debt to Equity Ratio 1.19
Revenue per Share 0.959
Market Cap 16,401,906
Forward P/E -4.95
Beta 1.31
Profit Margins -96.07%
Website https://www.clearsign.com

Info Dump

Attribute Value
52 Week Change -0.7117647
Address1 8,023 East 63 Place
Address2 Suite 101
All Time High 138.7
All Time Low 2.35
Ask 4.39
Ask Size 2
Average Analyst Rating 1.0 - Strong Buy
Average Daily Volume10 Day 22,830
Average Daily Volume3 Month 18,332
Average Volume 18,332
Average Volume10Days 22,830
Beta 1.308
Bid 3.3
Bid Size 24
Book Value 1.559
City Tulsa
Compensation As Of Epoch Date 1,767,139,200
Country United States
Crypto Tradeable 0
Currency USD
Current Price 2.6004
Current Ratio 4.782
Custom Price Alert Confidence HIGH
Date Short Interest 1,790,726,400
Day High 2.69
Day Low 2.49
Debt To Equity 1.19
Display Name ClearSign
Dividend Yield 0.0
Earnings Call Timestamp End 1,787,169,600
Earnings Call Timestamp Start 1,787,169,600
Earnings Timestamp End 1,794,486,600
Earnings Timestamp Start 1,794,486,600
Ebitda -6,181,000
Ebitda Margins -1.13392
Enterprise To Ebitda -1.117
Enterprise To Revenue 1.267
Enterprise Value 6,906,265
Eps Current Year -0.94
Eps Forward -0.525
Eps Trailing Twelve Months -1.0
Esg Populated 0
Exchange NCM
Exchange Data Delayed By 15
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 3.8794
Fifty Day Average Change -1.279
Fifty Day Average Change Percent -0.32969016
Fifty Two Week Change Percent -71.17647
Fifty Two Week High 10.2
Fifty Two Week High Change -7.5996
Fifty Two Week High Change Percent -0.74505883
Fifty Two Week Low 2.35
Fifty Two Week Low Change 0.25040007
Fifty Two Week Low Change Percent 0.10655323
Fifty Two Week Range 2.35 - 10.2
Financial Currency USD
First Trade Date Milliseconds 1,335,360,600,000
Float Shares 5,352,021
Forward Eps -0.525
Forward P E -4.953143
Free Cashflow -4,663,625
Full Exchange Name NasdaqCM
Full Time Employees 16
Fullday Change 0.22039986
Fullday Change Percent 9.260498
Fullday Price 2.6004
Gmt Off Set Milliseconds -14,400,000
Gross Margins 0.18492001
Gross Profits 1,008,000
Has Pre Post Market Data 1
Held Percent Insiders 0.04675
Held Percent Institutions 0.26042998
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 16,401,906
Market State REGULAR
Max Age 86,400
Message Board Id finmb_119118786
Most Recent Quarter 1,782,777,600
Net Income To Common -5,237,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 24,098,390
Number Of Analyst Opinions 1
Open 2.54
Operating Cashflow -5,698,000
Operating Margins -2.675
Phone 918 500 7312
Previous Close 2.38
Price Eps Current Year -2.766383
Price Hint 4
Price To Book 1.6679922
Price To Sales Trailing12 Months 3.008972
Profit Margins -0.96074
Quick Ratio 4.328
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key strong_buy
Recommendation Mean 1.0
Region US
Regular Market Change 0.22039986
Regular Market Change Percent 9.260498
Regular Market Day High 2.69
Regular Market Day Low 2.49
Regular Market Day Range 2.49 - 2.69
Regular Market Open 2.54
Regular Market Previous Close 2.38
Regular Market Price 2.6004
Regular Market Time 1,792,158,421
Regular Market Volume 4,459
Return On Assets -0.30056998
Return On Equity -0.51729
Revenue Growth 3.211
Revenue Per Share 0.959
Sand P52 Week Change 0.16207206
Sector Industrials
Sector Disp Industrials
Sector Key industrials
Shares Outstanding 6,307,455
Shares Percent Shares Out 0.0019
Shares Short 13,272
Shares Short Previous Month Date 1,788,134,400
Shares Short Prior Month 19,407
Short Name ClearSign Technologies Corporat
Short Percent Of Float 0.0023
Short Ratio 0.62
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 9,889,000
Total Cash Per Share 1.453
Total Debt 117,000
Total Revenue 5,451,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -1.0
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 4.71445
Two Hundred Day Average Change -2.11405
Two Hundred Day Average Change Percent -0.4484192
Type Disp Equity
Volume 4,459
Website https://www.clearsign.com
Zip 74,133