Byline Bancorp's 15min chart shows Bollinger Bands narrowing, bearish Marubozu signal.

According to the 15-minute chart for Byline Bancorp, the Bollinger Bands have narrowed, and a bearish Marubozu candle was observed at 02/06/2023 13:45. This indicates a decrease in the magnitude of stock price fluctuations, suggesting that sellers are dominating the market, and the bearish momentum is likely to persist.