How to game a Sef: Banks fear arrival of arbitrageurs

Liquidity could suffer if sharp practice takes root in Sef markets


It’s a tactic beloved of hagglers the world over – claiming an item can be bought more cheaply elsewhere – but imagine how much more powerful and convincing it would be if the prospective buyer secretly had the power to write some of those other price tags, effectively setting market value before opening negotiations. Some dealers claim they are facing this risk when making markets on swap execution facilities (Sefs). As the walls separating price-makers and price-takers are