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Risk of Ruin

Risk of Ruin

Half Kelly Media 31 Episodes Sep 7, 2026

Risk of Ruin is an audio documentary podcast that explores the lives of people who take big risks. Each episode profiles risk takers and the decisions, gambles, and consequences that shape their stories. The show looks at what drives people to put something meaningful on the line. It is produced by Half Kelly Media.

Episodes

From Pinnacle Sports to Jane Street
From Pinnacle Sports to Jane Street Sep 7, 2026 3868 Support the show by subscribing to the Premium Substack. (Search "ARCHIVE" for past paywalled episodes.)Guest:Zvi Mowshowitz grew up playing Magic the Gathering. He played on the Pro Tour, and is now in the Magic Pro Tour Hall of Fame. He then moved on to sports betting, and eventually became a trader for Pinnacle Sports. Zvi has also worked for the quant trading firm Jane Street.Zvi cur
Advantage Programming - Part II
Advantage Programming - Part II Jul 6, 2026 2436 Canzhi is a programmer and also part of a sports betting syndicate. He talks about his path from coding in middle school to computer science in college, to becoming a software developer. Then he left the mainstream world for professional gambling.Canzhi also talks about using OpenAI Codex to do the data science work that his betting group relies on.Follow Canzhi on Twitter: https://x.com/canzhiyeF
Advantage Programming - Part I
Advantage Programming - Part I Jun 26, 2026 3648 Cartwright is an advantage player and is in a unique position to comment on the intersection of programming and advantage play. He was a software engineer until he left that career for full time gambling. In the past he has used his programming skills to hit vulnerable table games. Now he is more focused on sports. He talks about AI and advantage play. Cartwright on Gambling With an Edge: https://
Turning Over 70,000 Rocks
Turning Over 70,000 Rocks May 14, 2026 3219 Andrew Martin is the CEO of Fairlight Capital. Fairlight invests in small call value stocks all over the world. In this episode Andrew talks about finding these value names, his diligence process, the firm's use of AI, and how to know whether to sell a loser.Fairlight's investor letters: https://www.fairlightcapital.com/investor-lettersFollow Andrew on Twitter: https://x.com/Fairlight_Ca
Call Security
Call Security Mar 25, 2026 4406 Jordan and Ohio Mike are part of a group of advantage players that spread their plays across casinos (physical and online), sportsbooks (physical and online), and various manufactured spending related opportunities.Subscribe to the Substack and Support the show: https://riskofruinpod.substack.com/Email: risk of ruin pod at gmailFollow the show on Twitter: https://x.com/halfkelly
Expected Goals
Expected Goals Jan 20, 2026 4024 Preston Johnson and a group called WAGMI United had a novel idea to buy an English football club and then use NFT sales to fund player spending. Their goal was to take a club from League Two and gain eventual promotion to the Premier League.Follow Preston on Twitter: https://x.com/SportsCheetahSubscribe to the Premium Substack: https://riskofruinpod.substack.com/Preston on Bet the Process: https:/
Let Them Eat Cake
Let Them Eat Cake Dec 8, 2025 6051 A very specific housing related bet.How did we go from The Big Short... to a housing shortage in such a short time?Governments in seemingly disparate places are having to take drastic measures to enable more housing development.  This episode is about how those conditions materialized in the United States, and also whether anything can be done to ameliorate the situation.Kevin Erdmann is a Senior
Trading Games
Trading Games Oct 17, 2025 3958 Kris Abdelmessih writes the Moontower newsletter which is required reading for any edge seeking generalist who wants to learn about the world of volatility.Kris got his start as a trader over 20 years ago with Susquehanna. He talks about getting the job, SIG’s training program, and the “degenerate atmosphere.” Kris also talks about his career where he moved from pit to pit, and then ultimately bec
Trial and Error
Trial and Error Sep 10, 2025 4097 Thomas started as a losing bettor, and then learned to win. Eventually he won so much that a regulated sportsbooks stole several million dollars from him.He talks about CLV, harvesting bonuses, faking the NBA overnight market, parlays, SGPs, round robins, and VIP rewards.Follow Thomas on Twitter: https://x.com/t_stephens97Subscribe to the Premium Substack: https://riskofruinpod.substack.com/p/tria
Casino Schemes
Casino Schemes Aug 11, 2025 6979 Jamie, Steve, and Kyle are advantage players. They talk about beating casino games including carnival games, automatic roulette wheels, and sweepstakes slot machines.Support the show: https://riskofruinpod.substack.com/References from the episode:Laurence Scott on Gambling With an Edge.Mark Billings on Gambling With an Edge (related to biased wheels), and also using computers.Mark Billings on Risk
Betting on Chaos
Betting on Chaos Aug 10, 2025 4279 Domer is a prediction market trader, and is one of the biggest bettors on Polymarket. He talks about his journey from Intrade, to Predictit, to Polymarket. He also talks about the 2024 election, which was a rollercoaster. It featured highs - like backing Kamala Harris before President Joe Biden had even dropped out of the race - and also lows, like being short Trump on election night.Domer also ta
Life's Too Short
Life's Too Short Aug 9, 2025 3212 Marc Cohodes made a living exposing fraudulent companies, and profiting when their stock prices collapsed. But the life of a short seller is spent on a high wire because executives willing to engage in fraud don't play by the rules when their freedom is at stake. Marc tells the stories of the adversity he's faced holding public companies accountable. Marc recounts the war stories from hi

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