Forward Contracts Explained: Lock In Today's Rate for Tomorrow's Payment

By the InterEX FX Desk·8 July 2026·5 min read

If your business knows it will need to make a foreign currency payment in the future — a supplier invoice due in ninety days, a property completion in six months, overseas payroll running all year — you face a quiet risk: the exchange rate on the day you pay may be worse than the rate today. A forward contract is the standard tool for removing that risk.

What a forward contract is

A forward contract is an agreement to exchange one currency for another at a rate fixed today, for delivery on a future date — typically anywhere from a week to twelve months ahead. Whatever the market does in between, your rate is locked.

Example: A UK importer must pay a European supplier €250,000 in six months. GBP/EUR stands at 1.17 today, making the invoice worth about £213,675. The importer books a six-month forward at (approximately) today's rate. If GBP/EUR falls to 1.10 by the payment date, the invoice would have cost £227,273 on the day — the forward has protected roughly £13,600 of margin.

Why businesses use them

Certainty — you know the exact sterling cost of a future foreign-currency obligation the moment you book, which makes budgeting and pricing decisions solid rather than hopeful.
Protected margins — for importers and exporters, currency swings can erase the profit on a deal. A forward converts an unpredictable cost into a fixed one.
Discipline — it removes the temptation to gamble on the market moving in your favour, which is speculation, not treasury management.

The honest trade-offs

A forward is protection, not a profit tool — and it's important to understand both sides:

You give up favourable moves too. If the market improves after you've locked, you still trade at your agreed rate. The point is certainty, not winning.
A deposit is usually required. Providers typically ask for a percentage of the contract value up front (often 5–10%), with the balance settled at maturity.
It's a commitment. A forward is a binding agreement, so it suits payments you're confident will happen. Many providers offer flexibility, such as drawing down funds early, but the obligation itself stands.

Wondering if a forward suits your situation?

Our specialists will talk through your payment timeline and quote both spot and forward options — plainly, and with no obligation.

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Who they suit best

Forwards earn their keep wherever a future foreign-currency payment is known and fairly certain: importers with regular supplier invoices, businesses running overseas payroll, anyone completing on a property abroad, or exporters pricing contracts months in advance. If your payment is speculative or the date is genuinely unknown, a spot transfer nearer the time — perhaps with a rate alert watching your target — may fit better.

How to set one up

Map your exposure — list the foreign-currency payments you know are coming, with amounts and dates.
Benchmark today's rate — check the mid-market rate in our converter so you can judge any quote you're given, and use the savings calculator to see what a past transfer cost you.
Speak to a specialist — forwards are arranged through a conversation, not a checkout page, because the right structure depends on your dates and flexibility needs.
Compare against doing nothing — a good specialist will show you the cost of certainty versus the risk of waiting, and let you decide.

Used well, a forward contract turns one of the least controllable costs in international business into one of the most predictable. That's not a trading edge — it's just good housekeeping.

This article is for general information only and does not constitute financial advice. Exchange rates shown are illustrative. Consider your own circumstances, and seek professional advice where appropriate. Payment services arranged through InterEX are provided by FCA-authorised partners.