The Chicago candidacy, which was favored by the prediction markets (and bettors like Ben Shannon), is the one that fared the worst.
- “Will Chicago get the Olympics? Don’t bet on it. Too risky.“
- The prediction markets are not able to forecast which country will get the Olympics. The IOC is a close aristocratic group that does not leak information. Hence, it is not possible to aggregate information.
- Once again, Ben Shannon made a very bad bet. He should read Midas Oracle more often —if he wants to avoid personal bankruptcy.
- Once again, we see that the P.R. agents of InTrade and BetFair (who both bragged about being able to predict Chicago) were overselling.
- BetFair’s event derivative prices (on the far right of the chart, you can see that the price went down to zero):
- InTrade’s event derivative prices (on the far right of the chart, you can see that the price went down to zero):
- HubDub’s event derivative prices:
- Here’s what happened to the Paris 2012 event derivative:





