Opinion: I ran a prediction market in Canada. This is why I’m skeptical about them today

Prediction markets are back in the news because someone made a fat profit betting on Venezuelan president Nicolás Maduro’s capture by U.S. forces. It has been reported that the trader raked in more than US$400,000. Was the trader an insider with advance knowledge, or just someone with a lucky guess? We may never know, and that uncertainty is a problem. Read More