

As I understand it, the psychology of other participants does come into it in much the same way it does in a poker game or the stock market. One doesn’t strictly bet on the outcome of events — in all such markets that I heard about positions can be taken up and then sold for profit as opinion shifts, before the predictions are ever constrained by actual outcomes.




It’s gambling all the way through, but sure enough there’s some amount of information to be found in the way people are betting.