On today’s Big Take podcast, professional sports gambler Rufus Peabody discusses why he has shifted more of his betting to prediction markets like Kalshi and Polymarke. And markets reporter Justina Lee and sports business reporter Ira Boudway sit down with host David Gura to discuss why these markets are drawing pros like Peabody — and the concerns the platforms raise for regulators and traditional sportsbooks.

Read more: How Polymarket and Kalshi Are Gamifying Truth

Hosted by David Gura; Produced by Julia Press; Reported by Justina Lee and Ira Boudway; Edited by Jeffrey Grocott.

Fact-checking by Eleanor Harrison-Dengate; Engineering by Katie McMurran.

Senior Producer: Naomi Shavin; Deputy Executive Producer: Julia Weaver. Executive Producer: Nicole Beemsterboer.

On today&rsquo;s Big Take podcast, professional sports gambler Rufus Peabody discusses why he has shifted more of his betting to prediction markets like Kalshi and Polymarke. And markets reporter Justina Lee and sports business reporter Ira Boudway sit down with host David Gura to discuss why these markets are drawing pros like Peabody &mdash; and the concerns the platforms raise for regulators and traditional sportsbooks.
Read more: <a href="https://www.bloomberg.com/features/2026-prediction-markets-polymarket-kalshi/?srnd=homepage-americas">How Polymarket and Kalshi Are Gamifying Truth</a>
Hosted by David Gura; Produced by Julia Press; Reported by Justina Lee and Ira Boudway; Edited by Jeffrey Grocott.
Fact-checking by Eleanor Harrison-Dengate; Engineering by Katie McMurran.
Senior Producer: Naomi Shavin; Deputy Executive Producer: Julia Weaver. Executive Producer: Nicole Beemsterboer.

The Big Take from Bloomberg News brings you inside what’s shaping the world's economies with the smartest and most informed business reporters around the world. The context you need on the stories that can move markets. Every afternoon.

The Big Take from Bloomberg News brings you inside what’s shaping the world's economies with the smartest and most informed business reporters around the world. The context you need on the stories that can move markets. Every afternoon.

Big Take

Pro Betters Flock to Prediction Markets

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/9c99ab00-2581-45dd-9129-b3e9013cd74c/transcript