ClearSign Technologies Corporation (CLIR) Put/Call Volume History

Put/call volume ratio compares the number of put options traded to call options traded. Extreme readings can signal shifts in market sentiment relative to recent norms.

ClearSign Technologies Corporation (CLIR) operates in the Industrials sector, specifically the Industrial - Pollution & Treatment Controls industry, with a market capitalization near $18.2M, listed on NASDAQ, employing roughly 16 people, carrying a beta of 1.31 to the broader market. ClearSign Technologies Corporation, founded in 2008 and headquartered in Tulsa, Oklahoma, is a company focused on inventing and refining products and technological solutions. Led by Colin James Deller, public since 2012-04-25.

Put/call volume history tracks trading activity and sentiment over time. No recent options activity for CLIR as of 2026-10-15; this typically reflects low options liquidity, a recently listed name, or a temporary data feed delay. Snapshot will refresh on the next active session.

Learn how options volume is reported and how to read the data →