No I assume that the account is in your name? If it is then: They cannot prove that you were arbing; Arbing is not illegal and arbitrage is. You will always be banned or limited if you are a winner, long or short term as bookmakers do not run charities. My quickest ban was about You will always be banned or limited if you are a winner, long or short term as bookmakers do not run charities. My quickest ban was about .