An option is a bet that a specific stock, index, or future will reach or exceed a specific price within a specific time.
期权就是打赌，赌在确定的时刻确定的股票、股指期货或者是期货能够达到或超过确定的价格。
An option is a bet that a specific stock, index, or future will reach or exceed a specific price within a specific time.
期权就是打赌，赌在确定的时刻确定的股票、股指期货或者是期货能够达到或超过确定的价格。
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