How useful does it have to be?

The markets around Fed rate cuts have been fairly active and accurate. That helps people make financial decisions. 

Much smaller things can be useful though. Knowing your team’s chances of making the playoffs can help with planning social events or travel around it, for instance. 

Do you know of examples where prediction markets gave useful information other than for presidential elections?

south_korea_ln

oracle

prediction markets aren't just gambling

It’s both adding information to the world and gambling, so it’s not *just* gambling. 

There are plenty of reasons someone would want to know more about how likely various outcomes are, whether we’re talking about sports or politics or finance or anything else people care about. 