Compagnie Financière Tradition, the interdealer broker listed on the Swiss exchange, reported a slump in revenues of nearly 20% during the third quarter, in a clear sign of the depressed trading volumes racking financial markets.

Tradition, based in Lausanne, Switzerland, this morning reported that its consolidated revenues for the three months to the end of September were down 17.7% - excluding the impact of currency moves - compared with the same period last year. It did not report the revenue figure for the period.