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 November 11, 2025 is 0.86.
- 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 100% above the current share price.
- The ClearSign Technologies 52-week low stock price is 0.46, which is 46.5% below the current share price.
- The average ClearSign Technologies stock price for the last 52 weeks is 0.80.
| ClearSign Technologies Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2025 | 0.7491 | 1.3900 | 1.5100 | 0.5000 | 0.8591 | -40.34% |
| 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 | $0.049B | $0.004B |
| 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. | |||
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