Russel Levi - We think interest rate derivatives as an asset class is...

We think interest rate derivatives as an asset class is growing quite quickly, and we think it's a product being used by more and more different end clients. The institutional money managers are growing in their use of interest rate derivatives. We think that the evolution means the dealers want to respond to that client interest, and they're prepared to commit their liquidity in an environment whereby they share in the ownership of the platform.