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What is a forex spread? How exchange rate markups work

By SendPay Business · · 2 min read

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A forex spread is the gap between the price at which a currency can be bought and the price at which it can be sold. When you change money, the spread is often where most of the cost sits, even when the provider says there's no fee.

Buy price, sell price

Currency markets quote two prices for each pair: the bid (what buyers pay) and the ask (what sellers want). The mid-market rate sits halfway between them. Banks and money apps then set their own customer rate, usually a little worse than the mid-market rate.

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How to work out the real cost

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Why spreads change

Spreads are usually narrower on busy pairs like pounds to euros or dollars, and wider on less traded currencies, at weekends when markets are closed, or when prices are moving fast.

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If you run a money app

The exchange rate you offer is part of your pricing, and customers compare it. SendPay platforms include currency exchange between GBP, EUR and USD accounts, and you set your own fees on your platform.

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How it works

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Questions people ask

How do I work out what a spread costs me?

Enter the bid and ask prices and your trade size, and the free calculator shows the spread in pips and its cost per trade, per month and per year.

Forex spread calculator →
What is the mid-market rate?

The halfway point between buy and sell prices. The guide explains it.

What is the mid-market rate? →
How much does a transfer really cost?

The free calculator adds the fee and the rate markup together.

Money transfer cost calculator →
Could I start a currency exchange business?

The guide covers what's involved.

Start a currency exchange business →

Read next

Spotted a mistake or something out of date? and we'll fix it. How our guides are made

This guide is general information, not legal or financial advice. SendPay Business is a technology company, not a bank, and does not take deposits; regulated services on the platforms are provided by licensed partners. Other companies named in this guide are reference points only and are not affiliated with SendPay Business.