State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD)'s 30-day implied volatility (IV30) was 16.3% at the close on October 14, 2026, up from 12.3% the day before, against a 52-week range of 10.8% to 22.0%. Its 20-day historical volatility was 13.0%.

Key numbers

30-day implied volatility (IV30): 16.3%
IV30 52-week range: 10.8% to 22.0% (median 16.3%)
Historical volatility: 20-day 13.0%, 1-year 16.7%
Implied move by the nearest expiration: ±0.8%

Data as of October 14, 2026.

SPMD Implied Volatility (IV) vs Historical Volatility (HV)

Name: SPMD Implied Volatility
Creator: Market Chameleon