A round up of stories about intrade provides some remarkable material.

First, Obama has taken the lead–for the very first time–against Clinton in Intrade.

This site has more than you need to know about futures markets and the subtle point that they don’t predict but rather capture what people think will happen. Clear?

Intrade was famously wrong in “predicting” (there we are again with that word) that the midterms would switch hands in 2006, but it is all explained here.

There’s a gallery of expired charts (for races that are over but that we want to compare). Here’s the Superbowl for example:

How much has been bet so far on the presidential race? $50 million.