Historical Volatility (Close-to-Close) (30-Day)
Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.
iShares Short Duration High Yield Muni Active ETF (SHYM) had 30-Day Historical Volatility (Close-to-Close) of 0.0464 for 2025-07-16.
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