Put-Call Implied Volatility Ratio (90-Day)
Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.
Invesco S&P SmallCap Health Care ETF (PSCH) had 90-Day Put-Call Implied Volatility Ratio of 0.9316 for 2026-10-16.
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