Principal Spectrum Preferred Securities Active ETF (PREF)

Last Closing Price: 18.77 (2026-09-03)

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.

Principal Spectrum Preferred Securities Active ETF (PREF) 90-Day Put-Call Implied Volatility Ratio data is not available for 2026-09-03.