Felix Salmons hastily written NYT Op-Ed about the Cantor Exchange and MDEX Posted on May 10, 2010 by admin You will learn nothing. Watch the US House video instead. You will have more facts and more arguments. UPDATE: Mike Giberson has a remark on Felix’-s piece. Related PostsWhat the Cantor Exchange (HSX) and the Media Derivatives Exchange (MDEX) really said to the US Congress about movie futures (a.k.a. box-office derivatives) – [VIDEO]CFTC: 3-2 in favor of approval of movie contracts -SO FAR.The CFTC plans to hold a public hearing next week to examine the growing controversy surrounding a plan by two firms to offer futures contracts tied to box-office receipts.