Vanguard Morningstar Mid-Cap ETF (VO) options traded 69 contracts on October 21, 2026 (18 calls and 51 puts, a put/call ratio of 2.83), compared with a 30-day average of 85. Options price a move of about ±0.8% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 15.1%
Implied move by the nearest expiration: ±0.8%
Option volume: 69 contracts (18 calls, 51 puts); 30-day average 85

Data as of October 21, 2026.

VO Option Breakdown

A breakdown of key statistics for each option expiration listed for VO. 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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