Put-Call Implied Volatility Ratio (30-Day)
Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.
iShares Core 1-5 Year USD Bond ETF (ISTB) had 30-Day Put-Call Implied Volatility Ratio of 1.0944 for 2025-10-13.
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