Put-Call Implied Volatility Ratio (20-Day)
Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.
Direxion Daily S&P Biotech Bull 3X ETF (LABU) had 20-Day Put-Call Implied Volatility Ratio of 1.0739 for 2026-10-16.
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