On the 4-hour chart, XAGUSD formed a head-and-shoulders top pattern and then fluctuated downward, with a short-term bearish pattern taking advantage. At present, we can pay attention to the supply zone of 28.67-28.96. If the rebound is blocked, we can consider shorting. Pay attention to the area around 28.00 below. After breaking through, the support below is around 27.50.