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datadrivenangel 2 hours ago

If the forecasting models were so good that people were actually consistently beating prediction markets, they wouldn't be starting startups to be selling it.

And even if it is good enough, once you're shelling out thousands of dollars a year in research costs, does that give you any remaining alpha?

gwern an hour ago | parent | next [-]

> And even if it is good enough, once you're shelling out thousands of dollars a year in research costs, does that give you any remaining alpha?

That's precisely why you would want to make a startup to get investment now rather than self-fund and bootstrap. That alpha isn't going to last forever, especially because everyone has access to the frontier LLMs, which keep getting better, and will eventually beat your fancy harness or specialized finetune.

And also, perhaps more importantly, so you can start developing an alternative to prediction markets and become the new PM; as Scott notes, with superforecaster AI, it's unclear why you really need Kalshi or Manifold or anyone else, with all their fees and overhead. Leave them to the degens, and carve off the socially useful part to do much more efficiently - tokens are cheaper than transactions! This is the big prize, but you need to start now before someone else does it better or commoditizes it.

kennywinker an hour ago | parent [-]

> I met an AI superforecaster startup founder who told me his AI had turned $35 into $2 million on Kalshi over seven months

Ok… assuming you can’t use that $2mil for some reason, simply take out a $10k line of credit and you’ll have $571 million in 7 months.

If you have the 2mil, congrats you’re 7 months away from $114B - you’re now one of the top 20 richest people in the world.

If this was truely the money printing machine they are saying it is, they would not be talking about it.

chucksmash 25 minutes ago | parent | next [-]

Any given trade also has a capacity. A mispricing opportunity can only absorb so much investment before it's no longer mispriced.

A particular trade that can 2x $20k won't be able to do the same for $20 billion.

It's why RenTech capped their Medallion Fund and closed it to outside investment.

If there's only a billion dollars sloshing around on Kalshi, you can't expect to put $1 trillion into bets and take $2 trillion out.

ffitch an hour ago | parent | prev | next [-]

from the article:

  I asked the guy who turned $35 into $2 million in seven months on Kalshi whether, in another seven months, he would be able to 100,000x his money a second time to $200 billion. Unsurprisingly, he said no - there’s only so much easy money on Kalshi, and his AI had already taken it all (also, other people with similar AIs are starting to fight him for it!)
Tenoke an hour ago | parent | prev | next [-]

1. The liquidity is not infinite to compound that easily.

2. The alpha dries up with more players, even in the year or whatever since that founder started.

gwern an hour ago | parent | prev [-]

You're attacking a strawman. No one is claiming that you can pull off that multiplier at arbitrary amounts arbitrary amounts of times. And 7 months is plenty of calendar time for those arbitrages to disappear, given the attention on the area and the rapid rate of development. (Warren Buffett can't pull off his early trades now either, doesn't mean he was stupid or grifting in taking early investment.)

glimshe 2 hours ago | parent | prev | next [-]

You got it (I was going to say "nailed it" but that's becoming an LLM marker).

This is exactly what I feel about a lot of the paid investment advice out there. Compounding can make any decent alpha worth a ton, to the point that these people would be investment bankers and not advisors if they knew what they were talking about.

ChrisMarshallNY 2 hours ago | parent | next [-]

There was an old ad for eTrade that basically said that: https://m.youtube.com/watch?v=dFQ_W4p1XKY

exe34 2 hours ago | parent | prev [-]

Same with get rich quick books.

mc32 2 hours ago | parent [-]

With one exception : if it teaches you how to put out get rich quick content (books or otherwise).

dylan604 15 minutes ago | parent [-]

Shouldn't it be generating that content and making the money for itself? Why does it need the human at all?

fer an hour ago | parent | prev | next [-]

Agree, to an extent. The link certainly smells like an ad. If the predictions are on lower volume markets (i.e. no institutional investors with actual quants behind) the compounding power stops. Also that means it can't beat institutional investors. So the reasonable option is to monetize what you can.

Tenoke an hour ago | parent [-]

He's been interested in forecasting since a long time before there was any money in it, and still hyped Metacalculus (free research project) and Manifold (play money) because he is interested in the subject. If it smells like an ad it is because your ad sense is faulty.

dofm 39 minutes ago | parent | prev | next [-]

If you had a tool that would be capable of writing all software better than a human, why would you price it by the word (token)? Why wouldn’t you take a percentage?

(This is one of the more interesting questions that came out of Alex Karp’s televised borderline psychotic break rant the other day and it has stuck in my mind even though he is clearly unstable)

janalsncm an hour ago | parent | prev | next [-]

The reason is, customer might care a lot more about the prediction than you do, or anyone else does.

For example, your customer might really care a lot about some niche prediction like the number of car break-ins in Walmart parking lots. In practice you won’t have sufficient liquidity in a prediction market to actually profit off of that prediction. But a security company might really want to know the answer to it.

povik an hour ago | parent | prev | next [-]

If a model demonstrates being good by winning on prediction markets I may want to ask the same model questions which are too niche to have markets. That said I don't know if niche questions are enough of a revenue stream to be interesting for model providers.

Perhaps they may enforce a knowledge cut-off for information retrieval and price the service based on how recent the cut-off is, and also use the cut-off as a way to guard their advantage on the markets.

ddp26 an hour ago | parent | prev | next [-]

Doesn't this argument prove too much? Why does AlphaSense sell their company research instead of using it to trade themselves? Why do people work on open source time series forecasting packages instead of quietly using them to trade?

2 hours ago | parent | prev | next [-]
[deleted]
energy123 2 hours ago | parent | prev | next [-]

They do. One guy with at least 7 figure PnL is a well known forecaster, SemioticRivalry.

datadrivenangel 2 hours ago | parent [-]

Only news article I found on that suggests the guy is mostly just market making against bets he thinks are dumb? No mention of AI.

bee_rider an hour ago | parent [-]

Wait, the original blog post was about competing with top-tier guessers using “AI.” I wonder if there’s more money to be made on the flip side: find the people making dumb bets, at scale, and take the free money they are offering, haha.

citizenpaul an hour ago | parent | prev | next [-]

The market of trading is smaller than the market of business. I don't think most people have ever actually tried trading for real. The frequency with which you can put in a buy/sell order and nothing happens. Then you raise/lower the price several times and nothing still happens because nobody wants to buy or sell at a price that makes you money is much higher than you would imagine. If you've never tried it yourself.

That said, the very concept of selling such information means that it would eliminate any edge and become zero profit anyway.

davedx an hour ago | parent [-]

That only happens if you're trading very illiquid stocks.

citizenpaul an hour ago | parent [-]

I can't tell you the number of times of put in an order on SPY,QQQ,SPX when I found favorable statistical analysis and I could not get filled at any price below the estimated profit potential. Those are some of the most liquid products in the word. I'm not talking pennies either.

Futures are the only thing for me this has never happened on. However no retail broker I'm aware of allows trading futures though API.

jknoepfler 2 hours ago | parent | prev [-]

Yes, but have you considered the performance of a few lucky outliers? Catch 'em fast before they regress to the mean!