$ERA
空头在ERA上狂欢,3.1%的跌幅,恐慌盘砸得差不多了,盘面越安静,爆发越吓人,趋势向下,0.0789之下持空,0.0828底线,0.0671减仓。这种结构,逢高就空,别幻想反转。