换手交易有“多头换手”和“空头换手”之分，当原来持有多头的投资者卖出平仓，但新的多头又开仓买进时称为“多头换手”；而“空头换手”是指原来持有空头的投资者在买进平仓，但新的空头在卖出开仓。
无论交易采取何种形式，金钱交换手段似乎已经成型；同时，金钱已经能够不断扭曲人类的行为。
Whatever form it takes, the use of money as a means of exchange seems to be hardwired; so too does its capacity continually to distort human behaviour.
1980年代初期纽约证券交易所交易的股票平均三年换手一次。
In the early 1980s shares traded on the New York Stock Exchange changed hands every three years on average.
其股票换手量达40亿股——大约是伦敦证券交易所富时100公司一般交易日交易量的5倍。
Four billion shares in the company changed hands - around five times the number traded in FTSE 100 companies in an average session in London.
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