PANTHEON
ExploreBuild My Library
© 2026 Pantheon — an atlas of the ideas that shaped how we think.
institution1977–present

Interactive Brokers

Disciplines:
fintech
finance/brokerage
quantitative trading/electronic trading
finance/global markets

Summary

American electronic brokerage founded by Thomas Peterffy — which offers the lowest commission rates and access to the most global markets of any retail broker — and which is particularly popular with sophisticated investors and active traders.

Core Contribution

Democratized access to global markets for individual investors — offering access to 150+ markets in 33 countries at institutional-level commissions — through the electronic trading infrastructure Peterffy had built for Timber Hill's proprietary trading.

Historical Influences

Thomas Peterffy Electronic trading technology

Intellectual Lineage

Timber Hill Thomas Peterffy Vision Greenwich Connecticut

Contemporaries & Peers

Charles Schwab TD AmeritradeRobinhood

Minds Influenced

Retail brokerage industryCommission-free trading pressureGlobal market access for retail

Intellectual Posterity

IBKR platformLowest commission retail brokerageFractional shares tradingThomas Peterffy net worth $25B+

Discussing

Interactive Brokers

Ask anything about Interactive Brokers — their ideas, influences, contradictions, legacy.

Sign in to start a conversation.