Arbitrage Betting is a system for exploiting differentials in odds for a specific market at two or more bookmakers. It is a trading technique that uses the difference in the price to make instant profit. It also has been used for a long time in financial markets, which can be difficult for non-professionals to access. It involves relatively large sums of money for 98% of arbitrage opportunities return less than 1.2%. It is almost always insufficiently profitable due to detection, unreliable betting websites, limiting of stakes, hackers, and scammers that use high percentage arbitrages to trick bettors into providing security credentials.