I Championed Prediction Markets. Look What They've Become
NomNew
34 points
64 comments
July 27, 2026
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Discussion Highlights (16 comments)
ggm
Put the same energy into championing regulation then. Don't walk away from a mess you claim to have helped create. (which the OP may indeed be doing, but it isn't clear they are, hence the chiding)
jdw64
People always assume that others will use something with good intentions, but in practice, malice tends to take root before goodwill does.
Planktonne
The author was instrumental in a colleague ruining their life through a gambling addiction. Then they helped make the case for prediction markets, which also went wrong. Their track record is not great, and I don't think they fully realise that the issue is them: the principles and axioms they rely on don't lead to good results. > I don’t claim to know the exact right policy answer for America. Perhaps start by reversing your positions, and throwing support behind those trying to undo the damage you caused.
ElProlactin
> And I know exactly what that costs: Before I was an economist, I was a teenager working for bookies on Australian racetracks. I once took five dollars from a coworker who “didn’t bet” and put it on number one in the next race. Six months later he was betting thousands a race and stealing from his own family. Compulsive gambling destroys lives — and the families it wrecks have no lobbyists. > I don’t claim to know the exact right policy answer for America. But I know we never even had a grown-up debate. If you've seen the destruction caused by something and can't figure it out, maybe you have a problem? And let's be honest: the idea of "debating" things that are obvious is often one of the primary ways by which indefensible things are legitimized.
Fizz43
>Trump Media may soon sell early access to the president’s Truth Social posts. Think about what this means. This is how the president announces war; every embassy on earth has to maintain a Truth Social account just to stay informed of American policy. He is already so beyond the pale this doesnt even move the needle.
avaer
> Trump Media may soon sell early access to the president’s Truth Social posts. Think about whether the spirit of the domestic/foreign emoluments clause would be okay with this. I'm sure some will argue there's enough layers of BS in this scheme that it's totally fine. Ethics and judgement aside, I think startup founders can learn a lot from this administration as to how "successful" people twist things in their favor. The industry is full of it.
fwipsy
I'll admit that I still see some value in prediction markets in theory, but in practice the way they were implemented seems to have caused an order of magnitude more harm. In retrospect their misuse as a loophole for sports gambling was an obvious outcome. Seems like every promising new technology inevitably is used for evil. Cryptocurrency is mostly used for criminals. Social media displaced more meaningful forms of connection. We're already starting to see this with AI (psychosis, slop, assisting bad actors) but I'm afraid it will get much worse.
rekabis
The only true winners in those prediction markets are the insider whales that already know what will happen. Anyone who is not an insider is a loser.
jongjong
My position is that prediction markets are bad and harmful but so are all mainstream stock markets. They're all prediction markets. People collaborate to pump up the value of specific assets or contracts, leading to undesirable outcomes. It would be dishonest to ban prediction markets without banning stock markets. The best which can be done, under the current system, is to punish unfair information asymmetries, which is practically impossible to do reliably... And even if we could find a way to punish it reliably; what would happen is that most rich people would end up in jail. Information asymmetry is almost never fair and it's how people make big money these days. I think the best solution is to create conditions to allow people to earn big money in other ways; ways which create value. If there were other ways to make big money besides unfair information asymmetry, then skilled people would find it easier to do that instead... Unfortunately, skill/talent does not allow you to gain an information advantage; only social connections do. So the current system is really bad in terms of wasting specialized skills/talents... Current system takes talented people and re-orients them towards adversarial games of deception where they're just a number in a sea of increasingly desperate untalented people who are better at playing the deception game... And the talented folks eventually lose their talents through lack of practice; they're so focused on learning ways to trick people and algorithms, that their actual talents atrophy; by the time they become well known, if they ever do (most don't), they've become mediocre; corrupted by their participation in the process of trying to become relevant; their main talent always takes the back seat.
mind-blight
I don't like prediction markets, but I think a lot of people in this thread are assuming that gambling vs. not is clear cut. Insurance was illegal at different times in history because it was considered gambling. Ditto for commodity trading. Even you look at the structure of a futures contact, the basics look really similar to a bet that can be traded with someone else. The main differences are the regulatory environment, and the intention the actors in the market have. Commodities, options, and futures are all legitimately used to hedge against future outcomes. The "gamble" (placing money on a future outcome) is a mechanism for the main goal: protection against instability. When you look at stocks and - in particular - derivatives, it starts to look a lot closer to how gambling is structured. I'm pro stock market, but that doesn't mean I won't admit that the line between it and gambling is pretty hard to draw. It's a lot more grey than people give credit for
gaze
is this the author's attempt at washing their hands of the damage they've done? Smart enough to win all these prestigious economics awards and hold all these prestigious positions but too naive to be able to predict the consequences of what they've been fighting for? Things that were, in my opinion, very easy to predict, given all the regulation in place around existing markets. What does this say about the author and the field of economics? Every day we get to play the "dumb or awful?" game.
Glyptodon
This reminds me of how people who worked for Facebook despite it being obvious that nobody with moral fiber should work for Facebook are more listened to when criticizing Facebook than people who realized the obvious to begin with. It's such a farce. But it also reminds me that prediction markets are one of those things that are transparently a terrible idea because they create problematic incentives, and not just because people ruin their lives gambling. If you can make $1 million by triggering something that or getting somebody to trigger something that basically has no business happening, whether it's stripping on the Senate floor, causing a volcano to erupt, or crops yields to reduce by secret herbicide dusting, or any other bologna, somebody will do it if the balance makes it worthwhile. Likewise, they give people reasons to vote that are negative - "I have $100 on prop XYZ passing, of course I support it." (Though side note: the ubiquity of betting being super terrible for society because people can't handle gambling at all is one of those things that I've been super surprised by that seems to have good evidence now. I guess because gambling mostly just doesn't do it for me to the degree that I find it shocking just how addictive it is and just how much it exacerbates bad situations for many people.) And I can't see how there's any benefit that's bigger than the problems. If prediction markets are better than Nate Silver, why is it worth all the problems to society for that extra accuracy margin? I can see why individual actors might find value, but I don't see how their value accrues to society in any way that makes it worth it.
pbohun
I read a sci-fi story years ago that had prediction markets in it that helped markets become more efficient. I thought it was a good idea at the time. What neither I nor the author anticipated was that the easiest way to make the markets "efficient" was to rig them. In hindsight it's obvious, but optimism is one of the most powerful blinders out there.
Nursie
> We built a superior information aggregation machine for the economy Wow, no you built an avenue for corruption, insider trading and problem-gambling, and you should have known this beforehand. Would have known it beforehand if you'd bothered to consult with non-economists.
class3shock
Look what they've become? You mean look at what they have been from the get go? The corrupting influence they are having on society has been obvious from the start and was predicted by anyone with any familiarity of the effects of "traditional" gambling on people. Except the author apparently, because they had seen precisely what gambling can do to people and still pushed this. "The dream was that markets would surface useful information" The dream was that the markets would make the people who owned them stupid amounts of money like any casino owner. Pretending otherwise is self-delusion at it's finest but the author seems good at that.
johnea
> Look What They've Become Another shit hole of insider trading...