687. Are Prediction Markets the Best Forecasting Tool Ever — or Just Another Casino?

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Freakonomics Radio 48 min 2 speakers 5 chapters transcribed 4 hours ago
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Why are prediction markets considered a better way to forecast future events than traditional polls?

Stephen Dubner 0:06
Hey there, it's Stephen Dubner. Before we start today's episode, I want to ask for your help with a future episode about psychotherapy. The episode includes what is called a misery index, and we want to hear some of your stories. I realize this isn't for everyone, but if you are interested, use your phone to record a voice memo and send it to us at radio at freeconomics.com. I'd like you to identify your most intense. intense and persistent form of misery and include some specifics. What exactly was the emotion you were feeling? What's the worst it ever got? How did it affect you? And how did you deal with it? If you only want to include your first name, that's fine. Again, the address is radio at freeconomics.com.
Stephen Dubner 0:50
Many thanks, and here now is today's episode.
Stephen Dubner 1:00
Most of us are not very comfortable with uncertainty. And that's a problem, since so many things are uncertain, like the future. Since the beginning of time, we have been trying to predict the future. The ancient Greeks were famous for their oracles. They would also cut open a sheep and reed its liver for signs about whether it was a good time to start a war, for instance. For centuries, potato farmers in the Andes have looked skyward to the Pleiades to help determine when to plant their potatoes. Twenty-five years ago, scientists were finally able to explain why this actually worked. Pleiades' visibility is related to the climate pattern known as El Nino. Today there are prediction markets on El Nino, and the markets indicate this year's El Nino may be the most extreme on record.
Stephen Dubner 1:49
So are prediction markets an upgrade or maybe a disaster waiting to happen? Will they improve our collective decision making? Or are they just another casino in an economy full of casinos? And aren't prediction markets susceptible to insider trade? Trading? The biggest prediction market in the US, CalShi, recently imposed its first ever lifetime ban against an individual trading on their site. This was over bets on whether George Santos, the disgraced New York congressman, would attend President Trump's State of the Union address. Santos had posted on social media that he was going to attend, but in the end, he didn't. On Calchi, someone made a profit of seventeen thousand dollars by first betting that Santos would attend and then betting that he wouldn't.
Stephen Dubner 2:35
Who was that someone? You guessed it. George Santos. So how much credit should Calci get for figuring that out and banning Santos? Today on Freak Economics Radio, we will hear from the CEO of CalShi. CALSHI is really the most accurate way to predict the future. As well as their chief contract writer.
Nicole Kagan 2:55
These are legal contracts that people are signing on to when they're trading those markets.
Stephen Dubner 2:59
We'll also hear from an intellectual godfather of
Robin Hanson 3:02
Of prediction markets. The hope is that we could use betting markets as a general information institution all across society.
Unknown 3:10
And next week in part two of this series we will hear from a regulator. What I think is the cost and a very real serious cost is trust in the markets. Our two part series The Price of Prediction starts now.
Freakonomics Radio Network 3:36
This is Freconomics Radio, the podcast that explores the hidden side of everything, with your host, Steven Dubner.
Stephen Dubner 3:52
Calci and PolyMarket, the two big prediction markets at the moment, are together worth over forty billion dollars. Shane Copeland, who founded Polymarket in his early twenties, was for a time the world's youngest self-made billionaire. One Calci founder, Luana Lopez Lara, is the youngest self-made female billionaire. The other founder and current CEO, Tarek Mansor, joined the billionaire list at age twenty nine. But that is not what Mansore
Tarek Mansour 4:22
wants to talk about. This values of the company or my net worth or others. Now just don't think that's that important. It's kind of paper money. Okay. So what is important to talk about when it comes to Calchi and other prediction markets? If you believe in markets and their ability to aggregate information and price something. In the case of prediction markets, they're essentially aggregating information about a question about the future.

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