iShares Short-Term National Muni Bond ETF (SUB) IV/HV History

Comparing implied volatility to historical (realized) volatility reveals whether options are priced rich or cheap relative to actual price movement. Persistent gaps can signal trading opportunities.

iShares Short-Term National Muni Bond ETF (SUB) operates in the Financial Services sector, specifically the Asset Management - Bonds industry, with a market capitalization near $11.14B, listed on AMEX, carrying a beta of 0.27 to the broader market. The iShares Short-Term National Muni Bond ETF seeks to track the investment results of an index composed of investment-grade U. public since 2008-11-19.

IV/HV history compares implied volatility to realized volatility over time. No recent options activity for SUB as of 2026-06-02; this typically reflects low options liquidity, a recently listed name, or a temporary data feed delay. Snapshot will refresh on the next active session.

Learn how implied vs realized volatility is reported and how to read the data →