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

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

Daniel O’Boyle of InGame [https://www.ingame.com/] 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 [https://closingline.substack.com/p/the-cashout-kalshi-weekly-volume-skyrockets-8-billion]) ProphetX [https://www.prnewswire.com/news-releases/prophetx-launches-nationwide-302804384.html] Novig [https://www.prnewswire.com/news-releases/novig-secures-cftc-designation-bringing-the-first-prediction-market-built-for-sports-fans-nationwide-302801964.html] Rothera [https://x.com/datadashboards/status/2068751841228185884?s=20] WSJ on Polymarket [https://www.wsj.com/business/media/polymarket-social-media-bets-prediction-market-441cdeb5] 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 [https://nexteventhorizon.substack.com?utm_medium=podcast&utm_campaign=CTA_1]

Episode 20: George Santos + Prediction Markets? Really?

Daniel O’Boyle of InGame [https://www.ingame.com/] 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, lol https://www.ingame.com/doj-investigating-santos-kalshi-trades/ [https://www.ingame.com/doj-investigating-santos-kalshi-trades/] THERE WAS A BIG ($5,000) HEDGE AT AN NYC BAR https://nexteventhorizon.substack.com/p/mattress-mack-walked-so-kalshi-could-run [https://nexteventhorizon.substack.com/p/mattress-mack-walked-so-kalshi-could-run] Rush Street applies for a DCM https://www.ingame.com/rush-street-interactive-predictions-dcm/ [https://www.ingame.com/rush-street-interactive-predictions-dcm/] Will DraftKings win in prediction markets https://closingline.substack.com/p/draftkings-ceo-i-know-whos-going-to-win-prediction-markets [https://closingline.substack.com/p/draftkings-ceo-i-know-whos-going-to-win-prediction-markets] Here comes Robinhood/Rothera https://robinhood.com/us/en/newsroom/the-world-cup-is-now-trading-on-robinhood-and-rothera/ [https://robinhood.com/us/en/newsroom/the-world-cup-is-now-trading-on-robinhood-and-rothera/] 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 [https://nexteventhorizon.substack.com?utm_medium=podcast&utm_campaign=CTA_1]

Episode 19: Inside The Latest Polymarket Insider Trading Case

The Polymarket-Google fiasco: https://www.ingame.com/google-engineer-polymarket-insider-trading/ [https://www.ingame.com/google-engineer-polymarket-insider-trading/] https://nexteventhorizon.substack.com/p/the-polymarket-google-case-and-insider-trading [https://nexteventhorizon.substack.com/p/the-polymarket-google-case-and-insider-trading] Trump talks prediction markets https://nexteventhorizon.substack.com/p/trump-some-prediction-market-opponents-are-scum [https://nexteventhorizon.substack.com/p/trump-some-prediction-market-opponents-are-scum] Here come new exchanges: DraftKings... https://www.ingame.com/draftkings-self-certifies-first-contracts/ [https://www.ingame.com/draftkings-self-certifies-first-contracts/] Rothera from Robinhood... https://nexteventhorizon.substack.com/p/robinhood-cfo-says-most-prediction-flow-moving-to-rothera [https://nexteventhorizon.substack.com/p/robinhood-cfo-says-most-prediction-flow-moving-to-rothera] When will SCOTUS tackle prediction markets? https://www.ingame.com/nj-petition-scotus-prediction-market/ [https://www.ingame.com/nj-petition-scotus-prediction-market/] 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 [https://nexteventhorizon.substack.com?utm_medium=podcast&utm_campaign=CTA_1]

Episode 18: Senators, CAOCs And Survivor Betting

Senators talking prediction markets: https://closingline.substack.com/p/senators-were-fired-up-about-prediction-markets-at-hearing [https://closingline.substack.com/p/senators-were-fired-up-about-prediction-markets-at-hearing] Combinatoric Athletic Outcome Contracts!https://nexteventhorizon.substack.com/p/its-not-a-parlay-its-a-combinatoric-athletic-outcome-contract [https://nexteventhorizon.substack.com/p/its-not-a-parlay-its-a-combinatoric-athletic-outcome-contract] Betting On Survivor:https://nexteventhorizon.substack.com/p/stop-letting-people-bet-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 nexteventhorizon.substack.com [https://nexteventhorizon.substack.com?utm_medium=podcast&utm_campaign=CTA_1]

Episode 17: Everyone Is Putting Kalshi Volume Under The Microscope

Breaking down Kalshi retail handle and parlays: https://www.ingame.com/kalshis-true-betting-handle-draftkings-fanduel/ [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/ [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/ [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 [https://nexteventhorizon.substack.com?utm_medium=podcast&utm_campaign=CTA_1]