Talks about trade and money are increasing day by day. Some of them I know are very successful. The question lies in how to pick the arbitrage difference. For forex trading, carry trade is done based on the currency interest rates differentials. This strategy will not work for forex brokers who only offer a fixed amount of premium payout/in-take. A major mistake some traders make is they only focus on two currency pairs. Any financial book will explain the trading in a conventional way. Please look for our website.