I can see that the terms of the account say ‘We reserve the right to refuse any trades placed by you that we judge to be clearly outside the prevailing market price such that they may be deemed non-market price Transactions, whether due to manifest error or stale, incorrect or broken price feeds. Where we have opened or closed a trade before becoming aware of the price disparity, we may at our absolute discretion either treat that trade as void.’ So, in principle, TF were entitled to void any trades that would fall under the above description. However ...........