嚴格說是:低波動率漲跌都可能,但是美股幾乎沒有陰跌的,他認為是低波動率上漲。
他對不對是另外一回事。
嚴格說是:低波動率漲跌都可能,但是美股幾乎沒有陰跌的,他認為是低波動率上漲。
他對不對是另外一回事。
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