{"podcast":{"title":"The Event Horizon Podcast","slug":"the-event-horizon-podcast-7687259","podcast_index_feed_id":7687259,"rss_url":"https://api.substack.com/feed/podcast/3935921.rss","website_url":"https://nexteventhorizon.substack.com/podcast","image_url":"https://substackcdn.com/feed/podcast/3935921/baae721b68fd55f77e936573095d07dd.jpg","author":"Dustin Gouker","episode_count":24,"summary":"Prediction markets news, analysis and legal insights covering Kalshi, Polymarket, Robinhood, DraftKings, regulation, litigation, sports event contracts and the future of event trading.","last_synced_at":"2026-07-17T20:20:58.781276+00:00","page_url":"https://stenobird.com/podcast/the-event-horizon-podcast-7687259"},"episode":{"title":"Episode 21: Kalshi Volume Can’t Stop, Won’t Stop Growing","slug":"episode-21-kalshi-volume-can-t-stop-won-t-stop-growing","published_at":"2026-06-23T11:00:00+00:00","page_url":"https://stenobird.com/podcast/the-event-horizon-podcast-7687259/episode-21-kalshi-volume-can-t-stop-won-t-stop-growing","show_page_url":"https://stenobird.com/podcast/the-event-horizon-podcast-7687259","url":"https://nexteventhorizon.substack.com/p/episode-21-kalshi-volume-cant-stop","audio_url":"https://api.substack.com/feed/podcast/203198571/1f78c22bfeadb78e34ecb17de6980ae7.mp3","summary":"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 ) ProphetX Novig Rothera WSJ 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","meta_description":"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…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1470,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/the-event-horizon-podcast-7687259/episodes/episode-21-kalshi-volume-can-t-stop-won-t-stop-growing/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/the-event-horizon-podcast-7687259/episode-21-kalshi-volume-can-t-stop-won-t-stop-growing.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}