The whole premise of prediction markets is that the few people whose perception do match outcomes make bets to push the money-weighted average perception toward outcomes. If perceptions still don't match outcomes at that point, average return is 0 minus transactions, with high variance.
The whole premise of prediction markets is that the few people whose perception do match outcomes make bets to push the money-weighted average perception toward outcomes. If perceptions still don't match outcomes at that point, average return is 0 minus transactions, with high variance.
huh? that sounds like ideology and not empirical observation.
That's just how limit order books work with mark-to-market pricing
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But in aggregate they might.