UK regulator the Financial Services Authority issued a discussion paper in May in which it outlined the possibility of introducing benchmarks in order to comply with the best execution requirements of the European Unions Markets in Financial Instruments Directive (Mifid). But derivatives trade body the Futures and Options Association says that although benchmarking has a part to play in some areas, there is no single approach to best execution that suits all markets. Anthony Belchambers, the FOAs chief executive, says what is described as best should be judged by a firm in the context of its clients objectives as well as the type and state of the market when a transaction is completed. ...