The 1h wide range of fluctuations is 29500-31300. After a weak rebound at 30650 yesterday, it accelerated its decline, digesting a lot of short momentum. It is currently bottoming out again near 30300. The probability of successful bottoming out is high. The falling pressure line has been broken. If you place orders on the left, you can consider breaking through 30600. There is no trading opportunity on the right. Attached figure: