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Forex UK

Forex trading in the UK: guides, tax, rules and market hours

Risk warning: CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. Most retail investor accounts lose money when trading CFDs. Content on this site is general information, not financial or tax advice.
The complete guide · 2026

Forex Trading in the UK: Everything You Need to Know Before You Start

How the currency market works, what the FCA requires of brokers, how your profits are taxed, and the exact steps to open your first account — in one guide.

By Editorial team · Updated 5 Oct 2026 · 18 min read

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Market sessions (UK time)

Sydney22:00–07:00Tokyo00:00–09:00London● 08:00–17:00New York13:00–22:00
Times shown in BST. Sessions shift by one hour when clocks change.

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Reader questions

Do you pay tax on forex trading in the UK?

CFD and spot forex gains are usually subject to Capital Gains Tax; spread betting profits are generally exempt. If trading is your main source of income, HMRC may treat it as income instead. Get professional advice for your situation.

Is forex trading legal in the UK?

Yes — forex trading is legal and regulated by the Financial Conduct Authority. Check any firm on the FCA register before depositing.

When is the forex market open in the UK?

From Sunday around 22:00 to Friday around 22:00 UK time (BST), 24 hours a day. The London session (08:00–17:00) is the most liquid.

Can I hold CFDs or spread bets in an ISA?

No. Leveraged products such as CFDs and spread bets are not eligible for ISAs or SIPPs.