iShares MSCI United Kingdom Small-Cap ETF (EWUS) Volatility Skew
Implied volatility skew shows how IV varies across strike prices for a given expiration. Steeper skews indicate higher demand for downside protection relative to upside speculation.
iShares MSCI United Kingdom Small-Cap ETF (EWUS) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $42.4M, listed on CBOE, carrying a beta of 1.15 to the broader market. The iShares MSCI United Kingdom Small-Cap ETF seeks to track the investment results of an index composed of small-capitalization U. public since 2012-01-26.
Snapshot as of May 15, 2026.
- Spot Price
- $40.97
- ATM IV
- 26.3%
- IV Skew 25Δ
- 0.007
- IV Rank
- 2.7%
- IV Percentile
- 71.0%
- Term Structure Slope
- -0.048
As of May 15, 2026, iShares MSCI United Kingdom Small-Cap ETF (EWUS) at-the-money implied volatility is 26.3%. IV rank is 2.7% (where 0% is the 52-week low and 100% is the 52-week high). IV percentile is 71.0%. The 25-delta skew is +0.007: skew is roughly flat across the 25-delta wings. High IV rank typically favors premium-selling strategies; low IV rank favors premium-buying.
EWUS Strategy Selection at Current Volatility Levels
For iShares MSCI United Kingdom Small-Cap ETF options at 26.3% ATM IV, low IV rank (2.7%) favors premium-buying or long-vol structures: long calls or puts, debit spreads, calendar spreads, long straddles. The risk: low-rank regimes can persist for months while time decay eats premium-buyers alive. Pair the vol-rank read with the dealer-gamma view and the upcoming-events calendar to confirm the strategy fits both the structural regime and the path-dependent risk. The variance risk premium - the persistent gap between implied and subsequently realized vol - is positive in equity markets on average; high IV rank typically reflects a stretch where the premium is wider than usual.
Learn how volatility skew is reported and how to read the data →
Frequently asked EWUS volatility skew questions
- What is the current EWUS ATM implied volatility?
- As of May 15, 2026, iShares MSCI United Kingdom Small-Cap ETF (EWUS) at-the-money implied volatility is 26.3%. IV rank is 2.7% on a 0-100% scale anchored to the 1-year IV range. ATM IV is the volatility input that makes a Black-Scholes-equivalent model reproduce the listed at-the-money option prices.
- Is EWUS IV high or low historically?
- IV is subdued relative to its 1-year history, conditions that typically favor premium-buying strategies (long calls, long puts, debit spreads, calendar spreads).
- What does EWUS volatility skew tell options traders?
- Volatility skew is the pattern by which IV varies across strikes for a given expiration. iShares MSCI United Kingdom Small-Cap ETF skew is roughly flat across the 25-delta wings. Skew matters for risk-defined strategy selection: when downside puts are rich, put-credit spreads capture more premium; when upside calls are rich, call-credit spreads or covered-call writes harvest more.