State Street SPDR S&P 400 TM Mid Cap Growth ETF
State Street SPDR S&P 400 TM Mid Cap Growth ETF (MDYG) Implied Volatility Current
MDYG's 30 day implied volatility is 15.85%, with an IV Rank of 16.47%. This is a low IV Rank versus the past year, meaning State Street SPDR S&P 400 TM Mid Cap Growth ETF options are relatively cheap and currently favor buyers. MDYG's 30 day historical volatility sits at 16.01%, which means implied volatility is running roughly in line with historical volatility, as of Nov 3, 2026.
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Tracking MDYG implied volatility helps you spot when State Street SPDR S&P 400 TM Mid Cap Growth ETF options are historically cheap or expensive, and where the best trades are hiding. When MDYG IV rises, premiums increase and sellers get more attractive pricing, and when it drops, buyers find cheaper contracts. Use our scanner to monitor MDYG implied volatility current levels in real time and filter for high probability trades.
Implied volatility is derived from option prices and represents the annualized expected move of a stock. Tracking MDYG IV rank helps you see whether MDYG's implied volatility is historically high or low, since IV rank compares today's reading against the past year's range. A high rank signals relatively expensive premiums and tends to favor sellers, a low rank signals relatively cheap premiums and tends to favor buyers.
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
Implied Volatility
IV is subdued. Premiums are cheap, favoring buyers.
As of Nov 3, 2026
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