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。

youdao

In a quote-driven market, bid-ask spread is composed of order processing costs, stock holding costs and asymmetric information cost.

在报价驱动交易机制下，买卖价差由指令处理成本、存货成本和非对称信息成本构成。

youdao

A spread is the difference between the ask price and the bid price that is quoted in the pips.

正在蔓延的区别问价格和成交价即引述了点子。

youdao

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

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The best way to protect yourself is to use limit orders when placing an order to buy or sell a stock or an exchange-traded fund. (See How Your Buy and Sell Orders Get Filled for more.) Look at the bid-ask spread and set your price limit at the bid for selling a stock and at the ask for buying a stock.

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As is always the case with ETFs, limit orders and stops must be used because quite often the spread between the bid and ask can be very wide.

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One issue for investors, according to Mr. Rosenbluth, is that this two-year-old fund is thinly traded and can have a wide bid-ask spread (the difference between the prices potential buyers "bid" to acquire shares and the prices potential sellers "ask" to part with theirs).

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