Average daily foreign exchange trading turnover in the UK fell 19 per cent in the six months to April 2009, the latest report from the Bank of England Foreign Exchange Standing Committee shows.The data, which cover all 'traditional' forex trading, including spot trades, outright forwards, non-deliverable forwards and FX swaps, show an average daily turnover of $1.269 billion.Meanwhile, reported UK turnover in other over the counter forex instruments such as FX options and currency swaps slumped to $87 billion, a fall of 31 per cent."The decline in reported turnover was largely accounted for by a 28% fall in spot FX," the committee confirmed in an accompanying report.Figures were also compiled for forex trading in New York, where spot transactions fell 25.2 per cent over the previous year, while forward transactions were down 21.5 per cent.Meanwhile, average daily over the counter FX options skidded 48.4 per cent, with reported values dropping to $17.75 billion.