West Bancorporation's chart triggered Bollinger Bands expanding upward, bullish Marubozu formation.

Based on West Bancorporation's 15-minute chart, the Bollinger Bands are expanding upward, which is indicative of a bullish trend. Furthermore, the Bullish Marubozu candlestick pattern observed on February 6, 2023 at 10:15 indicates that the market is being driven by strong buying activity. This suggests that buyers are currently in control of the market and are likely to continue to drive the trend upward.