ClearSign Technologies Corporation (CLIR) Stock Chart
CLIR price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
CLIR performance vs the market
Total return, dividends reinvestedCLIR monthly returns
CLIR historical prices
CLIR dividends & splits
About the CLIR chart
ClearSign Technologies (CLIR) closed at $2.40 on October 16, 2026, down 56.8% so far this year. The stock is trading 48.9% below its 200-day moving average of $4.70, which technical analysts usually read as a long-term downtrend. Over the past year CLIR returned −72.4% including dividends, behind the S&P 500 (+16.8%).
This page charts the full trading history of ClearSign Technologies Corporation stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the CLIR stock overview.
CLIR chart FAQ
What is ClearSign Technologies's all-time high stock price?
The highest closing price for CLIR was $117.50 on January 15, 2014 (adjusted for stock splits). As of the October 16, 2026 close it traded 98.0% below that level.
Is CLIR above its 200-day moving average?
No. On October 16, 2026 CLIR closed at $2.40, 48.9% below its 200-day simple moving average of $4.70. The 50-day average was $3.85.
How has CLIR stock performed compared with the S&P 500?
Including reinvested dividends, CLIR returned −72.4% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were −87.2% and +83.0%.
Does ClearSign Technologies pay a dividend?
ClearSign Technologies has not paid a dividend in the past 12 months.
Has CLIR stock ever split?
CLIR has split its stock 1 time: 1:10 (March 16, 2026). Prices on this chart are adjusted for all splits.
How do I read the CLIR chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots CLIR against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.