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  1. www.forbes.com › profile › thomas-peterffyThomas Peterffy - Forbes

    3 days ago · Digital trading tycoon Thomas Peterffy today listed his 80-acre Conyers Farm estate in Greenwich for $65 million. It is the largest and the most expensive home for sale in Greenwich.

    • S. Daniel Abraham

      Wealth History. HOVER TO REVEAL NET WORTH BY YEAR. Forbes...

    • Charles Schwab

      Charles Schwab is co-chairman and founder of the brokerage...

  2. As of mid-2023, Thomas Peterffy’s net worth is estimated at approximately $25 billion, according to Forbes. His wealth is primarily derived from his ownership stake in Interactive Brokers Group, which has been a publicly traded company since 2007.

  3. Peterffy left his career designing financial modeling software and bought a seat on the American Stock Exchange to trade equity options. During his career in finance, he has consistently pushed to replace manual processes with more efficient automated ones.

  4. Mar 1, 2024 · Thomas Peterffy owns 75% of Interactive Brokers, with his net worth being estimated at USD 5.3 billion as of 2023.

  5. www.celebritynetworth.com › richest-businessmenThomas Peterffy Net Worth

    Oct 11, 2018 · Thomas Peterffy is a Hungarian-born American billionaire who has a net worth of $17 billion which makes him one of the richest people in Connecticut. Born in Budapest, Hungary, Thomas Peterffy...

    • Celebrity Net Worth
  6. 6 days ago · Peterffy is the chairman of Interactive Brokers, an electronic broker with more than $15 billion in equity capital. The Greenwich, Connecticut-based firm processes equities, futures and foreign...

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  8. Sep 30, 2021 · In 1977, Hungarian-born Thomas Peterffy purchased a seat on the American Stock Exchange. A decade later, he developed a fully automated market-making system for stocks, options, and futures, an innovation that forever changed the trading floor and fast-tracked his career success.

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