ClearSign Technologies - 13 Year Stock Price History | CLIR

Historical daily share price chart and data for ClearSign Technologies since 2012 adjusted for splits and dividends. The latest closing stock price for ClearSign Technologies as of April 11, 2025 is 0.57.
  • The all-time high ClearSign Technologies stock closing price was 11.75 on January 15, 2014.
  • The ClearSign Technologies 52-week high stock price is 1.72, which is 201.8% above the current share price.
  • The ClearSign Technologies 52-week low stock price is 0.46, which is 19.3% below the current share price.
  • The average ClearSign Technologies stock price for the last 52 weeks is 0.89.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
ClearSign Technologies Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 0.9449 1.3900 1.5100 0.5000 0.5750 -60.07%
2024 0.9167 1.0700 1.5100 0.6451 1.4400 29.73%
2023 1.0344 0.5300 1.6300 0.5300 1.1100 107.09%
2022 1.0853 1.4400 1.7400 0.5360 0.5360 -61.16%
2021 3.5144 2.8800 5.7950 1.2400 1.3800 -52.90%
2020 1.6749 0.8318 3.3500 0.3917 2.9300 284.26%
2019 1.0582 1.0000 1.4600 0.7282 0.7625 -25.25%
2018 1.9326 3.5000 3.5000 0.8829 1.0200 -71.67%
2017 3.4681 3.4000 4.5500 2.0750 3.6000 5.88%
2016 4.4275 4.9000 6.0900 2.9800 3.4000 -29.90%
2015 5.4764 7.2400 7.6200 3.4400 4.8500 -33.83%
2014 8.4510 10.5800 11.7500 5.2700 7.3300 -35.98%
2013 7.4502 5.0000 11.4500 4.2900 11.4500 136.57%
Sector Industry Market Cap Revenue
Industrial Products Industrial Services $0.040B $0.002B
ClearSign Technologies Corporation provides industrial combustion and sensing technologies for industrial and commercial systems. The company's OEM products consists ClearSign Core(TM) and ClearSign Eye(TM) and other sensing configurations. It serves energy, commercial/industrial boiler, chemical, petrochemical, transport and power industries. ClearSign Technologies Corporation, formerly known as ClearSign Combustion Corporation, is based in Seattle, United States.
Stock Name Country Market Cap PE Ratio
Siemens AG (SIEGY) Germany $181.208B 22.34
Bouygues (BOUYF) France $60.349B 10.38
W.W Grainger (GWW) United States $48.121B 25.62
Ashtead Group (ASHTY) United Kingdom $26.604B 16.39
Andritz (ADRZY) Austria $6.183B 10.91
SiteOne Landscape Supply (SITE) United States $5.922B 48.96
Kion Group (KIGRY) Germany $5.366B 14.82
MSC Industrial Direct (MSM) United States $4.417B 17.97
Horiba (HRIBF) Japan $2.560B 11.16
Hillenbrand Inc (HI) United States $2.131B 9.52
LegalZoom (LZ) United States $1.540B 44.55
Eos Energy Enterprises (EOSE) United States $0.928B 0.00
Global Industrial (GIC) United States $0.909B 13.98
ScanSource (SCSC) United States $0.868B 11.63
IperionX (IPX) United States $0.813B 0.00
Hudson Technologies (HDSN) United States $0.260B 8.85
DMC Global (BOOM) United States $0.166B 83.10
TPI Composites (TPIC) United States $0.063B 0.00
Presidio Property Trust (SQFT) United States $0.010B 0.00
JE Cleantech Holdings (JCSE) Singapore $0.006B 0.00
Fusion Fuel Green (HTOO) Ireland $0.006B 0.00