Of those, 7.4 million contracts were traded at Eurex and 4.4 million contracts were traded at the International Securities Exchange.

In total, 237 million contracts were traded on both exchanges (Eurex: 148.5 million; ISE: 88.5 million), compared with 194.6 million contracts in May 2008 at Eurex and 75.1 million at ISE.

At Eurex, the equity index derivatives segment slightly declined and totalled 56.2 million contracts (May 2008: 59.3 million).

Futures on the Dow Jones Euro Stoxx 50 grew by 14.5 per cent from 20.2 million contracts in May 2008 to 23.1 million in May 2009.

Contract volume on the Dax future increased by 13 per cent, while the segment of equity-based derivatives saw a decrease in traded contracts by 34.4 per cent to 57.6 million.

Around 34.4 million contracts were traded in the fixed income derivatives segment compared with 47.3 million in May 2008 - a drop of 27 per cent.

Approximately 13 million contracts were traded in the Euro-Bund-Future. Trading volume in the Euro-Schatz Future recorded 9.1 million contracts. The Euro-Bobl-Future reached 8.2 million contracts.

Eurex Repo, which operates CHF and EUR repo markets, again recorded growth figures: all repo markets gained 31 per cent with a daily average outstanding volume of EUR167.6bn (May 2008: EUR128.1bn).

The secured money market segment GC Pooling rose by 101 per cent with a daily outstanding volume of EUR75.9bn (May 2008: EUR37.8bn).

The electronic trading platform Eurex Bonds, which rounds out Eurex's fixed-income product range, saw a volume of EUR6.23bn (single counting) in May. In May 2008, the figure was EUR7.12bn, and in April 2009 volume was EUR7.11bn.