State Street SPDR S&P Midcap 400 ETF Trust (MDY) options traded 773 contracts on November 9, 2026 (79 calls and 694 puts, a put/call ratio of 8.78), compared with a 30-day average of 419. Options price a move of about ±1.3% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 18.0%
Implied move by the nearest expiration: ±1.3%
Option volume: 773 contracts (79 calls, 694 puts); 30-day average 419

Data as of November 9, 2026.

MDY Option Breakdown

A breakdown of key statistics for each option expiration listed for MDY. View implied volatility, volatility skew, volume, open interest, straddle premiums, and liquidity -- including bid/ask spread and NBBO bid/ask sizes. Includes links to the option chain, as well as numerous detailed charts.

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