The minimum initial deposit for opening an account with FXCM UK is 300ccy of the currency denomination of your account. For other entities such as Australia, South Africa, or Markets the minimum deposit is as low as 50ccy since the margin requirement for opening a trade is lower.
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Risk disclaimer: 79.79% of retail accounts lose money when trading Forex / CFDs with FXCM LTD.You should consider whether you understand how Forex / CFDs work and you can afford to take the risk of losing your money.