The Event Horizon Podcast

59:22

Episode 35: Prediction Market Data With...

The Event Horizon Podcast ·

2026/10/05

Football season is underway, and prediction markets are booming. But what are the numbers about trading volume at Kalshi, Polymarket and beyond really telling us? Eric Ramsey of TickerTracker (and Event Horizon contributor) stops by to break it down.Plus a look at recent developments in prediction markets with Daniel O’Boyle of InGame.Show notes:Kalshi raiseNovig tooVs. FanDuel and DraftKings valuationsBrad Allen@BradAllenNFLKalshi worth nearly twice as much as Flutter and DraftKings combined

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56:28

Episode 34: The Future Of Prediction Markets With...

The Event Horizon Podcast ·

2026/09/28

Leif Abraham, a co-founder and co-CEO of Public.com, came on the show to talk about the company’s launch of prediction markets via Kalshi.From the press release:Public, the world's first agentic brokerage, today announced the launch of AI Agents for Prediction Markets, enabling members to trade on events that can shape financial markets and connect them with the rest of their portfolio. People can trade events directly or have AI agents trade on their behalf. For example, Public's AI agents can use

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45:07

Episode 33: Prediction Markets And Hedging With...

The Event Horizon Podcast ·

2026/09/21

I spoke with Will Brooke, the co-founder of the startup Herrison, about the future of hedging and insurance via prediction markets.From the company’s website:“We’re building Herisson because the tools that enable the world’s largest companies to hedge against one-off, event-driven risk should be accessible to companies of all sizes.”And as always, Daniel O’Boyle of InGame is here to break down all the latest news in prediction markets.Show notes:Kalshi volume and parlays + feesTexas messing with

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57:21

Episode 32: Talking Prediction Market Enforcement...

The Event Horizon Podcast ·

2026/09/14

Kalshi Head of Enforcement Robert DeNault joined me to talk about how investigations and enforcement work in prediction markets.Danieli O’Boyle of InGame returns to break down all the latest news in prediction markets, including a deluge of advertising deals.Show notes:Kalshi on recent enforcement actionsNovig and Sydney SweeneyDraftKings ads directly referring to KalshiSports is still pretty big! NFL letter to prediction marketsIf you trade on sports and event exchanges, you need EDGE Boost — the

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55:39

Episode 31: News With Front Office Sports’ Ben...

The Event Horizon Podcast ·

2026/09/08

Ben Horney of Front Office Sports stopped by to talk about recent developments in prediction markets. And Matt Restivo — SVP of Sports Data Services at Grandstand — chatted about data in PMs and the Optic Odds product.Show notes:New Jersey appeals to SCOTUS.Kalshi gets US Open deal.Injury markets.Kalshi bans George Santos. This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit nexteventhorizon.substack.com

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26:20

Episode 30: Is Prediction Markets Vs. States Coming...

The Event Horizon Podcast ·

2026/09/01

The Ninth Circuit delivered bad news to Kalshi on Friday, as the prediction market company lost its appeal to Nevada. Where does the legal battle for prediction markets go from here? The US Supreme Court is definitely in play.Daniel O’Boyle of InGame and I break down that news and everything else that happened last week in prediction markets.Show notes and more reporting/context on the decision:-Event Horizon-InGame-Nevada reacts: ““We are pleased with the Ninth Circuit’s ruling today in favor of

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23:44

Episode 29: Innovation-Maxxing At The CFTC

The Event Horizon Podcast ·

2026/08/24

The Commodity Futures Trading Commission got a bunch of important people in prediction markets together for a meeting in Washington, DC. Did we learn anything? Why were people yelling at each other? What happens next? Daniel O’Boyle of InGame and I break down that meeting, and all the recent news in prediction markets.Subscribe nowShow notes:The CFTC meetingA Republican problem for prediction markets? This is a public episode. If you would like to discuss this with other subscribers or get access to

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82:18

Episode 28: Prediction Market Policy With Aaron Klein...

The Event Horizon Podcast ·

2026/08/17

The Brookings Institution’s Aaron Klein stopped by to talk about all things prediction markets (starts at the 47-minute mark). He is a senior fellow at Brookings’ Center on Regulation and Markets and worked on the Dodd-Frank Act.Klein has led a pair of events about prediction markets hosted by Brookings:Daniel O’Boyle of InGame and I also break down all the recent news in prediction markets, including a lot of news around stuff other than sports event contracts!Show notes:FlightAware vs

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65:04

Episode 27: Interview With ProphetX Co-Founder Jake...

The Event Horizon Podcast ·

2026/08/10

There are endless stories and hot takes about people betting on wildfires…even though no one is actually offering markets on fires. And there are lots of people yelling about betting on drug trials. What exactly is going on? Daniel O’Boyle of InGame breaks that down and all the recent news in prediction markets.To wit, prediction markets on drug trials made NPR’s All Things Considered:Kalshi and Polymarket bets on clinical trials criticized as ‘ghastly’: “‘What seemed to be missed in the CEO

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39:04

Episode 26: Stakes Are High For Prediction Markets As...

The Event Horizon Podcast ·

2026/08/03

It was a busy week in court for prediction markets, from a big lawsuit from the New York attorney general to a win for Kalshi in Minnesota. Daniel O’Boyle of InGame and Dustin Gouker break down all the important news on the legal front and beyond in this week’s Event Horizon podcast.Show notes:Legal stuff, from InGame:New York Sues Kalshi In State Court, Asks For $36 Billion FineSixth Circuit Judge To Kalshi: What’s So Bad About Being Regulated By States?Prediction Markets Still Legal In Minnesota,

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31:39

Episode 25: Betting On LeBron James' Next Team Got...

The Event Horizon Podcast ·

2026/07/24

I’ll be at NEXTPredict in October; a lot of big names and smart people from the prediction markets industry will be there. Get your tickets now for 15% off using this link and promo code CLOSINGLINE15.We started the podcast just talking about how popular betting on LeBron James’ next team had become at Kalshi and other prediction markets. And then as Daniel O’Boyle of InGame and I were wrapping up the pod, he announced where he was going!Show notes:-Cap Space:LeBron's Decision 3.0 Is More Popular To

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32:37

Episode 24: Should Betting On Flight Cancellations Be...

The Event Horizon Podcast ·

2026/07/17

Unfortunately, we recorded the podcast before all hell broke loose with the Trump teleprompter operator story. But we did talk about betting on flight cancellations, which Kalshi apparently decided to pause sometime after we recorded the podcast.But it’s still a good chat between me and Daniel O’Boyle of InGame on all the news of the week in prediction markets. I guess that will teach us to record on Fridays instead of Thursday from now on. Maybe.Here was my original piece on Kalshi’s potential

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28:53

Episode 23: Silliness In Prediction Markets About...

The Event Horizon Podcast ·

2026/07/06

Did you know you can bet on Kalshi on how many Spotify streams artists will get? Well, of course you can, because you can bet on almost anything on Kalshi. But what happens when someone tries to manipulate the streaming metrics? We found that out last week! Daniel O’Boyle of InGame helps break down the latest nonsense.First, this at The Event Horizonhttps://nexteventhorizon.substack.com/p/how-artificial-spotify-streams-broke-kalshi-marketHere’s from a story on Wired:

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27:27

Episode 22: Kalshi Did A Deal With FIFA... Or Did It?

The Event Horizon Podcast ·

2026/06/26

Daniel O’Boyle of InGame and I did an “emergency” podcast today to deal with all of the news that dropped on Friday morning. That includes a deal between Kalshi and FIFA…or rather Kalshi and ADI Predictstreet, apparently?Kalshi and ADI Predictstreet Announce Strategic Partnership to Expand Global Prediction Market Footprint during World Cup™ and Beyond (press release): ADI Predictstreet, the Official Prediction Market Partner of the FIFA World Cup 2026™, today announced a strategic branding and

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24:30

Episode 21: Kalshi Volume Can’t Stop, Won’t Stop Growing

The Event Horizon Podcast ·

2026/06/23

Daniel O’Boyle of InGame and I break down recent news in prediction markets, including Kalshi nearing $9 billion in weekly volume, new exchanges getting a green light, and a bad story for Polymarket.Kalshi volume (paywall at The Closing Line)ProphetXNovigRotheraWSJ on Polymarket This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit nexteventhorizon.substack.com

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53:54

Episode 20: George Santos + Prediction Markets? Really?

The Event Horizon Podcast ·

2026/06/08

Daniel O’Boyle of InGame and I are still trying to process that the prediction markets news cycle now includes George Santos, somehow. We break down all the recent news in in the industry.Plus I talk with Kindbridge Behavioral Health CEO Daniel Umfleet about prediction markets, addiction, and treatment. News recap and analysis at the start; Interview with Kindbridge CEO at 31:13.George Santos, lolhttps://www.ingame.com/doj-investigating-santos-kalshi-trades/THERE WAS A BIG ($5,000) HEDGE AT AN NYC

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28:50

Episode 19: Inside The Latest Polymarket Insider...

The Event Horizon Podcast ·

2026/06/01

The Polymarket-Google fiasco:https://www.ingame.com/google-engineer-polymarket-insider-trading/https://nexteventhorizon.substack.com/p/the-polymarket-google-case-and-insider-tradingTrump talks prediction marketshttps://nexteventhorizon.substack.com/p/trump-some-prediction-market-opponents-are-scumHere come new exchanges:DraftKings... https://www.ingame.com/draftkings-self-certifies-first-contracts/Rothera from Robinhood...

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22:40

Episode 18: Senators, CAOCs And Survivor Betting

The Event Horizon Podcast ·

2026/05/26

Senators talking prediction markets: https://closingline.substack.com/p/senators-were-fired-up-about-prediction-markets-at-hearingCombinatoric Athletic Outcome Contracts!https://nexteventhorizon.substack.com/p/its-not-a-parlay-its-a-combinatoric-athletic-outcome-contractBetting On Survivor:https://nexteventhorizon.substack.com/p/stop-letting-people-bet-on-survivor This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit

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32:05

Episode 17: Everyone Is Putting Kalshi Volume Under...

The Event Horizon Podcast ·

2026/05/18

Breaking down Kalshi retail handle and parlays: https://www.ingame.com/kalshis-true-betting-handle-draftkings-fanduel/https://www.sportico.com/business/sports-betting/2026/kalshi-parlays-retail-bettor-losses-rfq-1234894471/Polymarket US is fully live: https://www.ingame.com/polymarket-us-live-without-waitlist/ This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit nexteventhorizon.substack.com

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29:23

Episode 16: The Big Sportsbooks Talk A Big Game On...

The Event Horizon Podcast ·

2026/05/11

FanDuel and DraftKings on prediction markets:https://nexteventhorizon.substack.com/p/what-we-learned-about-fanduel-and-prediction-markets-q1https://nexteventhorizon.substack.com/p/what-draftkings-and-genius-sports-said-about-prediction-markets-q1-earningsParlay volume!https://nexteventhorizon.substack.com/p/most-of-kalshis-recent-volume-growth-from-parlaysMaryland and Massachusetts vs.

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