This Sequoia- and Henry Kravis-backed prediction market wants to turn opinions into money – TechCrunch

More than 15 years ago, the Philadelphia Stock Exchange, which was acquired by Nasdaq in 2008, and another since-sold exchange called HedgeStreet, both announced they intended to offer something called event contracts to investors. The idea was to allow people to bet “yes” or “no” on questions about future events that were structured as all-or-nothing…