State Street SPDR S&P 400 TM Mid Cap Value ETF

MDYVAMEX · USD
90.29USD0.00 (+0.54%)

State Street SPDR S&P 400 TM Mid Cap Value ETF (MDYV) Historical Volatility

MDYV 30-day historical volatility is 9%. This ranks in the 2th percentile of readings over the past year.

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Tracking MDYV historical volatility helps you see how much State Street SPDR S&P 400 TM Mid Cap Value ETF's stock price has actually moved over past periods, giving you a baseline to judge whether current option premiums are fair, cheap, or expensive. While implied volatility tells you what the market expects, State Street SPDR S&P 400 TM Mid Cap Value ETF's HV tells you what really happened. Use our scanner to monitor MDYV 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.

Historical volatility is the annualized standard deviation of an underlying's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. The MDYV 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing State Street SPDR S&P 400 TM Mid Cap Value ETF's HV to its implied volatility reveals the volatility risk premium — when IV sits well above HV, option sellers tend to have an edge; when HV runs hot relative to IV, buyers may be underpaying for movement.

The State Street SPDR S&P 400 Mid Cap Value ETF seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the S&P MidCap 400 Value Index (the "Index")The Index includes stocks exhibiting the strongest value characteristics based on: book value to price ratio; earnings to price ratio; and sales to price ratio

Sizing a long premium trade, modeling a covered call, or hunting volatility arbitrage all come back to one question: how much has the stock actually moved? Our scanner puts State Street SPDR S&P 400 TM Mid Cap Value ETF's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where MDYV HV is running hot, cold, or in line. Make the MDYV 30 day historical volatility — and every other window — work for your edge instead of against it.

IV vs HV
Implied Volatility (IV) vs Historical Volatility (HV) over the past month.

As of September 25, 2026

IV - HV Difference
Difference between IV and HV over time. Positive values indicate IV > HV.

As of September 25, 2026

See how volatility has moved over time

Track MDYV historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.

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