Quaker Chemical's 15min chart shows Bollinger Bands Narrowing and Bearish Marubozu.

Based on the 15-minute chart for Quaker Chemical, the Bollinger Bands have recently narrowed, indicating a decrease in the magnitude of stock price fluctuations. This narrowing of the bands is accompanied by a bearish Marubozu formation, which suggests that sellers are currently in control of the market. This combination of technical indicators suggests that the bearish momentum is likely to continue.