State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) 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 S&P 400 Mid Cap ETF (SPMD) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $16.82B, listed on AMEX, carrying a beta of 1.08 to the broader market. The State Street SPDR Portfolio S&P 400 Mid Cap ETF seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the S&P MidCap 400 Index (the "Index")A low-cost ETF that seeks to offer precise, comprehensive exposure to mid cap US equitiesThe Index is float-adjusted and market capitalization weightedOne of the low-cost core State Street SPDR Portfolio ETFs, a suite of portfolio building blocks designed to provide broad, diversified exposure to core asset classes public since 2013-07-09.
Snapshot as of May 15, 2026.
- Spot Price
- $63.39
- ATM IV
- 24.6%
- IV Skew 25Δ
- 0.018
- IV Rank
- 24.5%
- IV Percentile
- 35.7%
- Term Structure Slope
- -0.025
As of May 15, 2026, State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) at-the-money implied volatility is 24.6%. IV rank is 24.5% (where 0% is the 52-week low and 100% is the 52-week high). IV percentile is 35.7%. The 25-delta skew is +0.018: skew is roughly flat across the 25-delta wings. High IV rank typically favors premium-selling strategies; low IV rank favors premium-buying.
SPMD Strategy Selection at Current Volatility Levels
For State Street SPDR Portfolio S&P 400 Mid Cap ETF options at 24.6% ATM IV, low IV rank (24.5%) 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 SPMD volatility skew questions
- What is the current SPMD ATM implied volatility?
- As of May 15, 2026, State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) at-the-money implied volatility is 24.6%. IV rank is 24.5% 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 SPMD 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 SPMD volatility skew tell options traders?
- Volatility skew is the pattern by which IV varies across strikes for a given expiration. State Street SPDR Portfolio S&P 400 Mid 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.