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.
Principal U.S. Mega-Cap ETF (USMC) had 30-Day Put-Call Implied Volatility Ratio of 1.0537 for 2025-12-04.
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