[NVDave]

There’s all sorts of indexes in debt products that you won’t see in the retail market that are created and used by investment banks.

Here’s a CMO index created by Merrill:

http://www.ml.com/index.asp?id=7695_7696_8149_63464_72859_73444

[groanup]

But you can’t just short an index. There has to be some sort of contract or security to short.