TIM's 15min chart shows Bollinger Bands expanding downward with bearish Marubozu.

According to the 15-minute chart of TIM, the Bollinger Bands are expanding downward, which indicates a bearish trend driven by sellers. The recent bearish Marubozu candlestick pattern observed on December 1, 2022 at 10:45 further reinforces this notion, suggesting that the market is likely to continue trending downward. As such, sellers are currently in control of the market and it is likely that bearish momentum will persist.