Alcoa's 15-minute chart shows Bollinger Bands expanding downward, bearish Marubozu.

Alcoa's 15-minute chart has exhibited a downward trend in its Bollinger Bands, resulting in a bearish Marubozu formation on February 4, 2026 at 11:45. This suggests that market momentum is being driven by sellers, who are exerting control over market dynamics. Consequently, it is likely that bearish momentum will continue to prevail.