bid ask spread

基本解释

They improve the quality of the prices on the exchanges by lowering the bid-ask spread.
它们通过降低买卖价差改善了交易所的价格质量。
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The difference between bid and ask is the profit for the dealer and the bid-ask spread is the profit for the dealer.
中间商的利润来自出价和要价的差别,差价就是中间商的利润
A security has good market liquidity if it is “easy” to trade, that is, has a low bid-ask spread, small price impact, high resilience, easy search (in OTC markets).
如果一支股票在市场中很容易交割，那么说明这支股票具有较好的市场流动性，也就是说它具有较低的买卖价差、较小的价格影响、具有高弹性以及易查找的特性。

The difference between bid and ask is the profit for the dealer and the bid-ask spread is the profit for the dealer.
中间商的利润来自出价和要价的差别,差价就是中间商的利润
耶鲁公开课 - 金融市场课程节选

In March, all 18 CIO marks had moved to the extreme boundaries of the bid-ask spread.
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"We don't make money on the bid-ask spread, " insists Kyle Vann, Entergy-Koch's chief executive.
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"We don't make money on the bid-ask spread, " says Kyle Vann, Entergy-Koch's CEO.
FORBES: Revenge of the wallflower