MDYG - State Street SPDR S&P 400 Mid Cap Growth ETF

The State Street SPDR S&P 400 Mid Cap Growth ETF seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the S&P MidCap 400 Growth Index (the "Index")The Index contains stocks that exhibit the strongest growth characteristics based on: sales growth, earnings change to price ratio, and momentum

As of May 15, 2026: spot at $105.32, ATM IV 18.9%, net GEX $6.5K.

Sector
Financial Services
Industry
Asset Management
Market Cap
$2.67B
Beta
1.09
52-Week Range
82.34-109.31
Dividend Yield
$0.67
IPO Date
Nov 15, 2005
Exchange
AMEX

What MDYG Looks Like to Options Traders Today

IV rank of 26.2% is subdued relative to the 1-year history, conditions that typically favor premium-buying or long-volatility structures (debit spreads, calendar spreads, long straddles); positive net gamma exposure ($6.5K) means dealers hedge against trend, damping realized volatility and biasing price toward heavy-OI strikes; the 25-delta skew (0.067) prices calls richer than puts, often reflecting upside speculation or squeeze risk.

What This Page Covers

The MDYG overview links into per-metric analysis views: max pain, gamma exposure, volatility skew, expected move, options chain, open interest history, and aggregate Greeks. Microstructure data is available on short interest, short volume, fail-to-deliver, and market structure.

Frequently asked MDYG overview questions

What is MDYG?
MDYG is the ticker symbol for State Street SPDR S&P 400 Mid Cap Growth ETF, an listed exchange-traded fund. The State Street SPDR S&P 400 Mid Cap Growth ETF seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the S&P MidCap 400 Growth Index (the "Index")The Index contains stocks that exhibit the strongest growth characteristics based on: sales growth, earnings change to price ratio, and momentum Listed on AMEX. MDYG is the ETF ticker shown on this page; ETF traders use the fund for diversified exposure to its underlying basket, for sector and factor rotation, and for hedging or replication strategies via the listed options chain.
What does the MDYG options snapshot look like today?
As of May 15, 2026, the MDYG options snapshot shows spot at $105.32, ATM IV 18.9%, IV rank 26.2%, net GEX $6.5K, expected move 5.42%. The full options chain, Greeks by strike and expiration, per-strike open-interest distribution, dealer gamma and delta exposure, and the volatility skew surface are linked from this overview page. Each per-metric route refreshes once per trading session and reflects the most recent close-of-business listed-options state.
What are MDYG's key statistics?
State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) carries a market capitalization of $2.67B, 52-week range of 82.34-109.31. Full holdings disclosure, expense ratio, and tracking-error history live on the per-ticker fundamentals page or the sponsor's site; daily NAV and premium/discount-to-NAV are accessible from the same view. These structural inputs frame how the ETF options market prices implied volatility relative to its constituents.
What sector or industry does MDYG belong to?
State Street SPDR S&P 400 Mid Cap Growth ETF operates in the Financial Services sector, in the Asset Management industry. Sector classification affects how the ticker correlates with sector ETFs, how it reacts to macro factors like rate moves and commodity prices, and how its options pricing compares to sector peers. Compare MDYG's implied volatility and skew against sector benchmarks to gauge whether the options market is pricing single-name or systemic risk relative to the broader peer group.
How current is the MDYG data on this page?
The options snapshot above is dated May 15, 2026 and refreshes once per session, with all per-strike Greeks and exposure aggregates recomputed at the daily close. Fund-level fields (sponsor, expense ratio, holdings concentration where available) refresh from the vendor feed nightly. ETF-specific filings (N-CSR, N-PX, N-CEN) update on the SEC EDGAR cadence. FINRA microstructure data refreshes on the source's cadence; for ETFs the off-exchange volume signal is dominated by authorized-participant creation and redemption rather than directional flow.