State Street SPDR Portfolio Developed World ex-US ETF (SPDW) 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.

State Street SPDR Portfolio Developed World ex-US ETF (SPDW) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $38.92B, listed on AMEX, carrying a beta of 1.03 to the broader market. The State Street SPDR Portfolio Developed World ex-US ETF seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the S&P Developed Ex-U. public since 2007-04-26.

Snapshot as of May 15, 2026.

Spot Price
$49.20
ATM IV
25.0%
IV Skew 25Δ
0.017
IV Rank
3.8%
IV Percentile
90.1%
Term Structure Slope
-0.046

As of May 15, 2026, State Street SPDR Portfolio Developed World ex-US ETF (SPDW) at-the-money implied volatility is 25.0%. IV rank is 3.8% (where 0% is the 52-week low and 100% is the 52-week high). IV percentile is 90.1%. The 25-delta skew is +0.017: skew is roughly flat across the 25-delta wings. High IV rank typically favors premium-selling strategies; low IV rank favors premium-buying.

SPDW Strategy Selection at Current Volatility Levels

For State Street SPDR Portfolio Developed World ex-US ETF options at 25.0% ATM IV, low IV rank (3.8%) 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 SPDW volatility skew questions

What is the current SPDW ATM implied volatility?
As of May 15, 2026, State Street SPDR Portfolio Developed World ex-US ETF (SPDW) at-the-money implied volatility is 25.0%. IV rank is 3.8% 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 SPDW 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 SPDW volatility skew tell options traders?
Volatility skew is the pattern by which IV varies across strikes for a given expiration. State Street SPDR Portfolio Developed World ex-US 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.