cifer
@cifer
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Why bid-ask spread is the potential profit a market maker can make?
这篇文章说的很好: https://www.investopedia.com/terms/m/marketmakerspread.asp 其实说白了就是低买高卖, bid-ask spread 也就是买一和卖一的价差, 价差越大价差越大 marker 潜在的收益就越高. 但是上面文章有一点没有说明白, 就是这句话: > For example, imagine that a market…