I've been away from trading for awhile, and am hoping some of you might be able to help me with a dumb question. There used to be a contract called "the knife," which I'm pretty sure was the NYFE Composite Index for the U.S. stock market. Many people, who didn't want to trade the S & P futues, would trade this instead. It was thought to be less volitile, and less expense in terms of margin, etc. Can anyone tell me if this still exists, or if it is now called something else? If it is gone, is there something that people are now trading as a proxy or substitute for the S & P futures? Thanks for your time and help!