Ero Copper's 15min chart shows Bollinger Bands expanding downward, bearish marubozu signal.

Based on Ero Copper's 15-minute chart, the Bollinger Bands have been expanding downward, indicating a bearish trend driven by sellers. The recent bearish Marubozu at 02/04/2026 11:45 further reinforces this sentiment, suggesting that the bearish momentum is likely to persist.