Mixed Technical Signals Suggest Further Weakness for PFF ETF Technical indicators for the iShares Preferred & Income Securities ETF (PFF) remain negative, with multiple moving averages signaling a sell. The ETF's 10-day, 50-day, 100-day, and 200-day averages all point downward. The Relative Strength Index sits at 35.41, suggesting neutral momentum, but overall forecasts remain bearish for the near term.12