The latest closing stock price for ClearSign Technologies as of August 08, 2025 is 0.56.
An investor who bought $1,000 worth of ClearSign Technologies stock at the IPO in 2012 would have $-867 today, roughly -1 times their original investment - a -14.36% compound annual growth rate over 13 years.
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 207.1% above the current share price.
The ClearSign Technologies 52-week low stock price is 0.46, which is 17.9% below the current share price.
The average ClearSign Technologies stock price for the last 52 weeks is 0.81.
An investor who bought $1,000 worth of ClearSign Technologies stock at the IPO in 2012 would have $-867 today, roughly -1 times their original investment - a -14.36% compound annual growth rate over 13 years.
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 207.1% above the current share price.
The ClearSign Technologies 52-week low stock price is 0.46, which is 17.9% below the current share price.
The average ClearSign Technologies stock price for the last 52 weeks is 0.81.