40:I[185,["/_next/static/chunks/2ys9ev5m3_24i.js","/_next/static/chunks/3pomb8r7ja54n.js","/_next/static/chunks/42spz6paskvb6.js","/_next/static/chunks/178kgr5-cejk9.js","/_next/static/chunks/1v5ewlr55okcj.js","/_next/static/chunks/3jnlvw-emqotx.js"],"SendEmailButton"] 42:I[63625,["/_next/static/chunks/2ys9ev5m3_24i.js","/_next/static/chunks/3pomb8r7ja54n.js","/_next/static/chunks/42spz6paskvb6.js","/_next/static/chunks/178kgr5-cejk9.js","/_next/static/chunks/1v5ewlr55okcj.js","/_next/static/chunks/3jnlvw-emqotx.js"],"AddToLibraryButton"] 43:I[29721,["/_next/static/chunks/2ys9ev5m3_24i.js","/_next/static/chunks/3pomb8r7ja54n.js","/_next/static/chunks/42spz6paskvb6.js","/_next/static/chunks/178kgr5-cejk9.js","/_next/static/chunks/1v5ewlr55okcj.js","/_next/static/chunks/3jnlvw-emqotx.js"],"ShareButton"] 44:I[58016,["/_next/static/chunks/2ys9ev5m3_24i.js","/_next/static/chunks/3pomb8r7ja54n.js","/_next/static/chunks/42spz6paskvb6.js","/_next/static/chunks/178kgr5-cejk9.js","/_next/static/chunks/1v5ewlr55okcj.js","/_next/static/chunks/3jnlvw-emqotx.js"],"ProcessEpisodeButton"] 45:I[45269,["/_next/static/chunks/2ys9ev5m3_24i.js","/_next/static/chunks/3pomb8r7ja54n.js","/_next/static/chunks/42spz6paskvb6.js","/_next/static/chunks/178kgr5-cejk9.js","/_next/static/chunks/1v5ewlr55okcj.js","/_next/static/chunks/3jnlvw-emqotx.js"],"SignupCTA"] 3a:["$","div",null,{"className":"flex flex-wrap items-center gap-x-4 gap-y-1 font-mono text-[12px] uppercase tracking-[0.1em] text-[color:var(--fg-3)]","children":[["$","time",null,{"dateTime":"2026-07-01T08:00:00.000Z","children":"July 1, 2026"}],["$","span",null,{"aria-hidden":true,"children":"·"}],["$","span",null,{"children":"00:51:02"}],false]}] 41:T440,

How Thomas Peterffy built the machines that killed the trading floor and made Interactive Brokers into a $100 billion business

Written by Dom Cooke

Read by Scott Brick

Read ‘The Making of a Market Maker’ here.

Become a Colossus member to receive our quarterly print magazine and private audio experience, including exclusive profiles and early access to select episodes. Subscribe here⁠.

Presented by Rogo

And by:

Editing and post-production work for this episode was provided by The Podcast Consultant.⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠