iShares National Muni Bond ETF (MUB) options traded 332 contracts on November 5, 2026 (267 calls and 65 puts, a put/call ratio of 0.24), compared with a 30-day average of 2,014. Options price a move of about ±0.3% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 4.9%
Implied move by the nearest expiration: ±0.3%
Option volume: 332 contracts (267 calls, 65 puts); 30-day average 2,014

Data as of November 5, 2026.

MUB Option Breakdown

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