ARB – Arbitrage bet. An ARB is when the odds on your selection are higher on the betting site than they are at the exchange. This means when you bet and lay you will already be in profit. Be aware though that ARBs are one of the fastest ways to lose promotion entitlement on a site.
Master Matched Betting jargon with our handy guide to commonly used abbreviations, ensuring you have a clear understanding of the matched betting landscape.