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
<ul>
 <li>Join the exclusive <a href="https://www.theinvestorspodcast.com/mastermind-2/">⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠TIP Mastermind Community⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠</a> to engage in meaningful stock investing discussions with Stig, Clay, Kyle, and the other community members.</li>
 <li>Collosus’s <a href="https://joincolossus.com/article/thomas-peterffy-market-maker/">article</a> on Thomas Peterffy.</li>
 <li>Mentioned Episode <a href="https://www.theinvestorspodcast.com/episodes/top-stocks-for-2024-w-jonathan-boyar/">TIP599: Top Stocks for 2024 w/ Jonathan Boyar</a>.</li>
 <li>Related Episode <a href="https://www.theinvestorspodcast.com/episodes/best-quality-stock-idea-q3-2025/">TIP745: Best Quality Idea Q3 2025 w/ Clay Finck</a>.</li>
 <li>Related Episode <a href="https://www.theinvestorspodcast.com/episodes/best-quality-stock-idea-q2-2025/">TIP722: Best Quality Idea Q2 2025 w/ Clay Finck & Kyle Grieve</a>.</li>
 <li>Related Episode <a href="https://www.theinvestorspodcast.com/episodes/best-quality-stock-idea-q1-2025/">TIP698: Best Quality Idea Q1 2025 w/ Clay Finck & Kyle Grieve</a>.</li>
 <li>Related Episode <a href="https://www.theinvestorspodcast.com/episodes/best-quality-stock-idea-q4-2024/">TIP675: Best Quality Idea Q4 2024 w/ Clay Finck & Kyle Grieve</a>.</li>
 <li>Related Episode <a href="https://www.theinvestorspodcast.com/episodes/best-quality-idea-q3-2024-clay-finck-kyle-grieve/">TIP652: Best Quality Idea Q3 2024 w/ Clay Finck & Kyle Grieve</a>.</li>
 <li>Follow Clay on <a href="https://twitter.com/Clay_Finck">⁠X⁠</a> and <a href="https://www.linkedin.com/in/clay-finck-8073a8a7/">⁠LinkedIn⁠</a>. </li>
 <li>Related <a href="https://prodcast.io/collections/we-study-billionaires-the-investor-s-podcast-network">⁠⁠⁠⁠⁠⁠⁠⁠books⁠⁠⁠⁠⁠⁠⁠⁠</a> mentioned in the podcast.</li>
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