Fortress Biotech Pref A's 15min chart shows RSI Overbought and Narrowing Bollinger Bands.

According to the 15-minute chart for Fortress Biotech Pref A, the Relative Strength Index (RSI) has exceeded the overbought threshold, while the Bollinger Bands have narrowed. This indicates that the stock price has experienced a rapid ascent, potentially exceeding the underlying fundamental support. Furthermore, the magnitude of stock price fluctuations has decreased, suggesting a potential decrease in volatility.