Herman Cain is rising in the polls of Republican primary voters, but prediction markets are not buying into the Cain surge. On Wednesday evening, MSNBC led its web page with the breaking news that the network's latest poll showed Cain atop the GOP presidential field, with 27 percent support; Romney was a close second at 23 percent, and Rick Perry placed third with 16 percent.
Yet the prediction markets, where users can buy and sell contracts on who will ultimately win the Republican nomination, are still very skeptical of a Cain victory. The real-time markets assessing the likelihood of the Republican nomination still have Romney enjoying a commanding 65.7 percent lead, with Perry trailing at 12.5 percent and Cain at 10.1 percent. Here is a look at how the leaders have progressed over the last few weeks: