Put-Call Implied Volatility Ratio (120-Day)
Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.
First Trust NYSE Arca Biotechnology ETF (FBT) had 120-Day Put-Call Implied Volatility Ratio of 0.9979 for 2026-03-05.
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