TDI Podcast: Thomas Peterffy Unfiltered (#964)

TDI Podcast: Thomas Peterffy Unfiltered (#964)

From The Disciplined Investor by Andrew Horowitz - Host

March 15, 2026 · 55 min

About this episode

The episode features an interview with Thomas Peterffy discussing his contributions to trading technology and the current market conditions.

Oil’s Big move – one for the record books. Markets in a slight panic – not too worse for ware. Inflation numbers are out – but does anyone care? And our special guest is Thomas Peterffy – Chairman and Founder of Interactive Brokers. NEW! DOWNLOAD THIS EPISODE’S AI GENERATED SHOW NOTES (Guest Segment) Thomas Peterffy is the Chairman and Founder of Interactive Brokers Group, Inc. a global electronic brokerage firm. He has been at the forefront of applying computer technology to automate trading and brokerage processes since soon after he emigrated from Hungary to the United States in 1965. In 1977, Peterffy started his own business with $200,000 savings, writing programs and building systems to value and trade stocks and options, as a market-maker on the American Stock Exchange. He was the first to build mathematical models to calculate and disseminate continuous bid and offer quotations and to develop a tablet computer for use by his employees trading on exchange floors. By the late 80s, Peterffy developed a fully integrated, automated market-making system for stocks, options, and futures, that grew into a digital network encompassing most of the world’s exchanges. Starting…

People in this episode

Host: Andrew Horowitz

Guest: Thomas Peterffy

Topics covered

  • oil market
  • inflation
  • trading technology
  • market-making
  • interactive brokers

Keywords

  • oil
  • inflation
  • trading
  • market-making
  • Interactive Brokers
  • Thomas Peterffy
  • financial markets

Mentioned in this episode

Organizations: Interactive Brokers

Places: Hungary, United States

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