Why am I unable to convert currency with the currency conversion tool?

The currency conversion tool considers market orders when placing the order. Please note, when placing a Market order the order value cannot be known with certainty prior to execution as the market can move in any direction, at any moment. Because of this, an extra 5% is added to the order quantity at the credit check step for Market type orders to account for market movements. This 5% buffer is what is causing the difference in the trade value and the cash available in the account. Should you choose to convert currency using an Order Ticket, Limit orders do not require the 5% buffer.

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