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What Are Bid and Ask Prices?

When you look at a tradable instrument, you will commonly see two prices.

These are called the bid and the ask.

Understanding them is essential because they determine the prices at which a trader can generally buy or sell.

What is the bid price?

The bid is generally the price available when selling.

For example:

EUR/USD Bid: 1.1500

A trader selling at that moment would normally execute around the available bid price, subject to execution conditions.

What is the ask price?

The ask, sometimes called the offer price, is generally the price available when buying.

For example:

EUR/USD Ask: 1.1502

A trader buying would normally transact around the available ask price, subject to execution conditions.

So if the quotation is:

Bid: 1.1500

Ask: 1.1502

there is a small difference between the buying and selling prices.

That difference is known as the spread.

Why are there two prices?

Financial markets involve participants willing to buy at particular prices and others willing to sell at particular prices.

These available prices do not always match exactly.

The difference reflects market conditions and available liquidity.

Bid and ask example

Imagine gold is quoted:

Bid: $3,000.00

Ask: $3,000.30

A trader buying would generally deal around the ask price.

A trader selling would generally deal around the bid price.

This is why a newly opened position may initially show a small negative amount before the underlying price moves.

Can bid and ask prices change?

Yes.

Both prices can move continuously as:

  • Supply changes

  • Demand changes

  • Liquidity changes

  • New information reaches the market

  • Volatility increases or decreases

During highly active market conditions, prices can change extremely quickly.

Lesson summary

  • Markets commonly display a bid and ask price.

  • The bid is generally associated with selling.

  • The ask is generally associated with buying.

  • Bid and ask prices can change continuously.

  • The difference between them is called the spread.