牛长而熊短

in bull •  6 years ago 

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牛市比熊市长,这在所有金融市场都通用,也是金融资产长期上涨原因;在人类历史上,也只有几个金融产品是呈长期下跌趋势,这些通常是衍生品,由于市场规律及产品构造,所以自带下跌属性,譬如UVXY,DUST
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