How Thomas Peterffy Built the Business

On today’s episode, Clay Finck breaks down his best quality stock idea for Q4 2025: Interactive Brokers. 

Interactive Brokers is a global online brokerage that gives investors access to markets around the world with industry-low costs in trading stocks, options, futures, currencies, and more.

IN THIS EPISODE YOU’LL LEARN:

00:00:00 - Intro 00:02:01 - Why Interactive Brokers could grow from 4 million to 20 million accounts over the next decade 00:14:48 - Thomas Peterffy’s story of building IBKR after immigrating from Hungary 00:18:32 - Why its automation-first culture creates a moat that competitors can’t easily match 00:32:38 - How IBKR earns industry-leading margins 01:00:39 - An overview of their valuation 01:05:20 - The key risks and long-term opportunities investors should monitor

Disclaimer: Slight discrepancies in the timestamps may occur due to podcast platform differences.

BOOKS AND RESOURCES

• Join the exclusive ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠TIP Mastermind Community⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ to engage in meaningful stock investing discussions with Stig, Clay, Kyle, and the other community members.
• Collosus’s article on Thomas Peterffy.
• Mentioned Episode TIP599: Top Stocks for 2024 w/ Jonathan Boyar.
• Related Episode TIP745: Best Quality Idea Q3 2025 w/ Clay Finck.
• Related Episode TIP722: Best Quality Idea Q2 2025 w/ Clay Finck & Kyle Grieve.
• Related Episode TIP698: Best Quality Idea Q1 2025 w/ Clay Finck & Kyle Grieve.
• Related Episode TIP675: Best Quality Idea Q4 2024 w/ Clay Finck & Kyle Grieve.
• Related Episode TIP652: Best Quality Idea Q3 2024 w/ Clay Finck & Kyle Grieve.
• Follow Clay on ⁠X⁠ and ⁠LinkedIn⁠.
• Related ⁠⁠⁠⁠⁠⁠⁠⁠books⁠⁠⁠⁠⁠⁠⁠⁠ mentioned in the podcast.
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