iShares Global Clean Energy ETF (ICLN) 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.

iShares Global Clean Energy ETF (ICLN) operates in the Financial Services sector, specifically the Asset Management - Global industry, with a market capitalization near $2.85B, listed on NASDAQ, carrying a beta of 1.26 to the broader market. The iShares Global Clean Energy ETF (ICLN) seeks to track the investment results of an index composed of global equities in the clean energy sector. public since 2008-06-25.

Snapshot as of May 15, 2026.

Spot Price
$21.93
ATM IV
35.9%
HV 20-Day
28.3%
HV 60-Day
30.7%
IV Rank
14.8%
IV Percentile
66.3%

As of May 15, 2026, iShares Global Clean Energy ETF (ICLN) ATM implied volatility is 35.9%. 20-day realized volatility is 28.3%, producing an IV-HV spread of +7.5 vol points. Options are pricing in more volatility than the stock has recently delivered, the volatility risk premium. IV rank is 14.8%.

How ICLN iv/hv history Data Feeds Strategy Selection

Strategy selection on iShares Global Clean Energy ETF 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 35.9% 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 ICLN iv/hv history questions

Is ICLN options pricing rich or cheap right now?
As of May 15, 2026, iShares Global Clean Energy ETF (ICLN) ATM IV is 35.9% against 20-day realized volatility of 28.3%. IV rank is 14.8%. ICLN options are pricing in more volatility than the stock has recently realized: a positive variance risk premium worth 7.5 vol points.
What is the ICLN 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. ICLN is currently priced consistently with this premium, which is one input to whether short-vol or long-vol structures carry their typical edge.
What does ICLN 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. ICLN's current rank of 14.8% 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.