USDJPY has formed a head and shoulders bottom pattern

On the 4-hour chart, USDJPY formed a head-and-shoulders bottom pattern and then stabilized upward, with a short-term bullish trend. Currently, the effective support below is around 149.5, and it is expected to continue to rise if it falls back and does not break. The upper resistance is around 152.3, and after breaking through, the upper resistance is around 154.5.