盈利和虧損,都是相對而言。參照物是你的買價?還是不斷上漲的SP500?賣早了,相對SP500,就是“虧損”掉了本來可以到手的盈利。
盈利和虧損,都是相對而言。參照物是你的買價?還是不斷上漲的SP500?賣早了,相對SP500,就是“虧損”掉了本來可以到手的盈利。
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