ClearSign Technologies Corporation (CLIR) IV/HV History

Comparing implied volatility to historical (realized) volatility reveals whether options are priced rich or cheap relative to actual price movement. Persistent gaps can signal trading opportunities.

ClearSign Technologies Corporation (CLIR) operates in the Industrials sector, specifically the Industrial - Pollution & Treatment Controls industry, with a market capitalization near $24.1M, listed on NASDAQ, employing roughly 18 people, carrying a beta of 1.37 to the broader market. ClearSign Technologies Corporation designs and develops products and technologies to enhance operational performance, energy efficiency, emission reduction, safety, and overall cost-effectiveness of industrial and commercial systems in the United States and the People's Republic of China. Led by Colin James Deller, public since 2012-04-25.

Snapshot as of May 15, 2026.

Spot Price
$4.89
ATM IV
53.4%
HV 20-Day
277.4%
HV 60-Day
225.9%
IV Rank
7.0%
IV Percentile
6.7%

As of May 15, 2026, ClearSign Technologies Corporation (CLIR) ATM implied volatility is 53.4%. 20-day realized volatility is 277.4%, producing an IV-HV spread of -224.0 vol points. Realized volatility currently exceeds implied, an inversion that can signal a pending IV expansion. IV rank is 7.0%.

How CLIR iv/hv history Data Feeds Strategy Selection

Strategy selection on ClearSign Technologies Corporation options does not derive from any single metric in isolation. The iv/hv history view above sits inside a broader read: ATM IV currently sits at 53.4% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the iv/hv history data here with the volatility-skew surface, dealer-gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.

Learn how implied vs realized volatility is reported and how to read the data →

Frequently asked CLIR iv/hv history questions

Is CLIR options pricing rich or cheap right now?
As of May 15, 2026, ClearSign Technologies Corporation (CLIR) ATM IV is 53.4% against 20-day realized volatility of 277.4%. IV rank is 7.0%. Realized volatility currently exceeds implied: an inversion of the typical equity volatility risk premium that often precedes IV expansion.
What is the CLIR variance risk premium?
The variance risk premium is the persistent gap between implied and subsequently realized volatility. In equity markets it averages positive because option sellers demand compensation for bearing variance shocks. CLIR is currently pricing inverted to the historical pattern, which is one input to whether short-vol or long-vol structures carry their typical edge.
What does CLIR IV rank mean for strategy selection?
IV rank normalizes the current ATM IV to its 1-year range: 0% is the low, 100% is the high. CLIR's current rank of 7.0% signals where current pricing sits in its own 1-year history. High-rank regimes typically favor premium-selling structures (credit spreads, condors, covered calls); low-rank regimes typically favor premium-buying or long-volatility structures.