Graphs over time: <a href="http://politicszone.betfair.com/" rel="nofollow">http://politicszone.betfair.com/</a><p>To interpret the numbers do 100/(decimal odd) to get percentages as shown in the graphs.
the smarkets dudes are really smart guys, i work across the floor from them at another startup. you should keep an eye on smarkets and the guys behind it, they're always doing/discussing some technologically cool shit.